The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 98

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1006NW	Status: Current	App Date: 06/15/1979	Rev Date: 10/24/2018
Description: Installation of Avionics and Flight Instruments
TC Nos.: 4A21
Models: The Boeing Company707-100B Long Body, 707-100B Short Body
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA103NW	Status: Current	App Date: 04/01/1974	Rev Date: 10/24/2018
Description: Installation of modified lower interior sidewall.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1108NW	Status: Current	App Date: 10/10/1980	Rev Date: 10/24/2018
Description: Installation of a single Litton LTN-211 Omega/VLF navigation system
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA110NW	Status: Current	App Date: 04/22/1974	Rev Date: 10/24/2018
Description: Installatino of modified lower interior sidewall
TC Nos.: A16WE
Models: The Boeing Company737-200C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1115NW	Status: Current	App Date: 10/03/1980	Rev Date: 10/24/2018
Description: Installation of Global Navigation GNS 500A, Series 3, VLF/Omega System. Systems installation
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1149NW	Status: Current	App Date: 08/01/1980	Rev Date: 10/24/2018
Description: Conversion to Main Deck (Class E Compartment) Cargo Carrier
TC Nos.: A7EU
Models: Dassault AviationFan Jet Falcon Series E
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1232NW	Status: Current	App Date: 05/11/1981	Rev Date: 10/24/2018
Description: Installation of 131 passsenger seating arrangement and passenger service units
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1441NW	Status: Historical	App Date: 09/28/1981	Rev Date: 11/02/2018
Description: Installation of a Single Collins Weather Radar WXR-700X System
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1692NM	Status: Current	App Date: 08/24/1982	Rev Date: 10/24/2018
Description: Installation of a Collins Weather Radar WXR-700X System
TC Nos.: A3WE
Models: The Boeing Company727-100C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1757NM	Status: Current	App Date: 07/21/1982	Rev Date: 10/24/2018
Description: Installation of Dual Litton Model 72 Inertial Navigation Systems
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA178NW	Status: Current	App Date: 04/25/1975	Rev Date: 10/24/2018
Description: Installation of perfume dispenser into three lavatories.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA191NW	Status: Historical	App Date: 05/19/1975	Rev Date: 11/02/2018
Description: Installation of modified two passenger seat and underseat baggage restraint
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA208NW	Status: Current	App Date: 08/19/1975	Rev Date: 10/24/2018
Description: Installation of Fairchild Stan(R) Weight and balance system.
TC Nos.: 4A26
Models: The Boeing Company707-300
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2183NM	Status: Current	App Date: 11/08/1983	Rev Date: 10/24/2018
Description: Interior reconfiguration to 125 passenger.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2185NM	Status: Current	App Date: 11/08/1983	Rev Date: 10/24/2018
Description: Interior reconfiguration to 125 passenger seating arangement.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2197NM	Status: Current	App Date: 02/02/1984	Rev Date: 10/24/2018
Description: Interior reconfiguration to mixed passenger/cargo arrangement. (737-2K2C)
TC Nos.: A16WE
Models: The Boeing Company737
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2199NM	Status: Current	App Date: 02/02/1984	Rev Date: 10/24/2018
Description: Interior reconfiguration to mixed passenger/cargo arrangements.
TC Nos.: A16WE
Models: The Boeing Company737-200C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2395NM	Status: Historical	App Date: 02/27/1984	Rev Date: 11/02/2018
Description: Installation of Smiths Industries Digital Fuel Quantity Indicating System
TC Nos.: A3WE
Models: The Boeing Company727C Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2396NM	Status: Current	App Date: 03/02/1984	Rev Date: 10/24/2018
Description: Installation of HF Antenna on vertical stabilizer leading edge
TC Nos.: A3WE
Models: The Boeing Company727 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2397NM	Status: Current	App Date: 04/23/1984	Rev Date: 10/24/2018
Description: Interior arrangements.
TC Nos.: A16WE
Models: The Boeing Company737-200C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2398NM	Status: Current	App Date: 01/18/1984	Rev Date: 10/24/2018
Description: Interior arrangement and galley installaiton
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2399NM	Status: Historical	App Date: 03/03/1984	Rev Date: 10/24/2018
Description: Installation of a closet
TC Nos.: A3WE
Models: The Boeing Company727-100C Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2399NM	Status: Current	App Date: 03/03/1984	Rev Date: 07/09/2020
Description: Installation of a closet
TC Nos.: A3WE
Models: The Boeing Company727-100C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2606NM	Status: Historical	App Date: 03/07/1984	Rev Date: 11/02/2018
Description: Installation of a smoke partition separating the cargo and passenger areas. Requires approval of STC SA2398NM. Approved for model 727-22C.
TC Nos.: A3WE
Models: The Boeing Company727C Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2615NM	Status: Current	App Date: 04/28/1984	Rev Date: 10/24/2018
Description: Installation of a closet.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2684NM	Status: Current	App Date: 11/26/1984	Rev Date: 10/24/2018
Description: Installation of a 186 passenger interior arrangement
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA270NW	Status: Current	App Date: 10/13/1975	Rev Date: 10/24/2018
Description: Installation of modified seat.
TC Nos.: A16WE
Models: The Boeing Company737 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3190NM	Status: Current	App Date: 08/06/1985	Rev Date: 10/24/2018
Description: Installation of a forward coat closet assembly.
TC Nos.: A16WE
Models: The Boeing Company737-200C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3191NM	Status: Historical	App Date: 08/06/1985	Rev Date: 11/02/2018
Description: Installation of Seats and Emergency Equipment
TC Nos.: A16WE
Models: The Boeing Company737-200 Series, 737-200C Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3191NM	Status: Historical	App Date: 08/06/1985	Rev Date: 11/02/2018
Description: Installation of Seats and Emergency Equipment
TC Nos.: A16WE
Models: The Boeing Company737-200 Series, 737-200C Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3312NM	Status: Current	App Date: 08/05/1985	Rev Date: 10/24/2018
Description: Installation of a cart stowage unit.
TC Nos.: A22WE
Models: The Boeing CompanyDC-10-30
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3327NM	Status: Current	App Date: 01/07/1986	Rev Date: 10/24/2018
Description: Installation of Kevlar composite Aft Tip Fairing for vertical stabilizer
TC Nos.: A6WE
Models: The Boeing CompanyDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-21, DC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A), DC-9-32F (C-9B), DC-9-33F, DC-9-34, DC-9-34F, DC-9-41, DC-9-51, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3340NM	Status: Current	App Date: 01/14/1986	Rev Date: 10/24/2018
Description: Installation of a windscreen
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3507NM	Status: Current	App Date: 10/07/1985	Rev Date: 10/24/2018
Description: Installation of a smoke partition separating the cargo and passenger areas
TC Nos.: A3WE
Models: The Boeing Company727C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA353NW	Status: Current	App Date: 07/30/1976	Rev Date: 10/24/2018
Description: Installation interior components consisting of 2 wind screens and 3 decorative panels on existing galleys.
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series, 737-200C Series, 737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 737-700C Series, 737-800 Series, 737-900 Series, 737-900ER Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3659NM	Status: Historical	App Date: 07/17/1986	Rev Date: 11/02/2018
Description: Installation of a windscreen/cabinet assembly.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4304NM	Status: Current	App Date: 03/01/1988	Rev Date: 10/24/2018
Description: Installation of passenger seat pallets.
TC Nos.: A16WE
Models: The Boeing Company737-200C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4370NM	Status: Historical	App Date: 09/15/1988	Rev Date: 11/02/2018
Description: Installation of passenger seats and passenger service units.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4388NM	Status: Historical	App Date: 11/03/1988	Rev Date: 11/02/2018
Description: Installation of passenger seats and passenger service units.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4706NM	Status: Historical	App Date: 02/03/1989	Rev Date: 11/02/2018
Description: Relocation of passenger seats, passenger service units, emergency equipment, and installation of life rafts.
TC Nos.: A2NM
Models: The Boeing Company757-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4754NM	Status: Historical	App Date: 06/27/1989	Rev Date: 11/02/2018
Description: Installation of passenger seats, carpeting and emergency equipment.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4766NM	Status: Current	App Date: 07/12/1989	Rev Date: 10/24/2018
Description: Installation of passenger seats.
TC Nos.: A2NM
Models: The Boeing Company757-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4787NM	Status: Current	App Date: 10/05/1989	Rev Date: 10/24/2018
Description: Reactivation of door number 3 left and right. (747-206B)
TC Nos.: A20WE
Models: The Boeing Company747
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4789NM	Status: Current	App Date: 07/19/1989	Rev Date: 10/24/2018
Description: Installation of Seats, galleys and emergency equipment and the resulting interior arrangement.
TC Nos.: A20WE
Models: The Boeing Company747-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4907NM	Status: Historical	App Date: 01/18/1990	Rev Date: 11/02/2018
Description: Installation of passenger seats, class divider, overwater equipment, exit signs, relocation of passenger service units and no smoking, fasten seat belt signs.
TC Nos.: A2NM
Models: The Boeing Company757-200
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4911NM	Status: Historical	App Date: 03/10/1990	Rev Date: 11/02/2018
Description: Relocation of first six rows of passenger seats and passenger service units on the right side of the airplane and relocation of misc. emergency equipment into a overhead stowage bin.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4916NM	Status: Current	App Date: 11/27/1989	Rev Date: 10/24/2018
Description: Interior rearrangement. (757-23A)
TC Nos.: A2NM
Models: The Boeing Company757-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4946NM	Status: Current	App Date: 05/01/1990	Rev Date: 10/24/2018
Description: Installation of passenger Service Unit Assemblies modified to include 22 minute duration oxygen generators at all locations except the seat row immediately aft of station 740.0. Approved for model 757-223.
TC Nos.: A2NM
Models: The Boeing Company757-200
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4953NM	Status: Current	App Date: 01/18/1990	Rev Date: 10/24/2018
Description: Interior rearrangement.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4978NM	Status: Historical	App Date: 08/13/1990	Rev Date: 11/02/2018
Description: Installation of traffic alert and collision avoidance system (TCAS) provisions.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4984NM	Status: Historical	App Date: 09/07/1990	Rev Date: 11/02/2018
Description: Installation of a Collins Mode S ATC transponder. in the No. 1 position.
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series, 737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5115NM	Status: Historical	App Date: 09/07/1990	Rev Date: 11/02/2018
Description: Installation of a Collins traffic alert and collision avoidance system(TCAS II) transmitter/receiver with Honeywell TA/RA/IVSI's.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5140NM	Status: Historical	App Date: 10/29/1990	Rev Date: 11/02/2018
Description: Replacement of two existing 58 gallon waste tanks with two similar units with 63 gallon capacity.
TC Nos.: A1NM
Models: The Boeing Company767 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5145NM	Status: Historical	App Date: 12/27/1990	Rev Date: 11/02/2018
Description: Interior arrangement that includes seats, installation of placards, and passenger sings and relocation of emergency equipment.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5146NM	Status: Historical	App Date: 02/27/1991	Rev Date: 11/02/2018
Description: Interior arrangement that includes relocation and installation of emergency equipment, and required placards, relocation of seats and passenger service units.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5147NM	Status: Historical	App Date: 01/17/1991	Rev Date: 11/02/2018
Description: Interior arrangement that includes installation of passenger seats and passenger service units.
TC Nos.: A1NM
Models: The Boeing Company767-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5148NM	Status: Historical	App Date: 01/02/1991	Rev Date: 11/02/2018
Description: Interior arrangement that includes installation of passenger seats, additional passenger service unit, and miscellaneous emergency equipment and placards.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5149NM	Status: Current	App Date: 02/27/1991	Rev Date: 10/24/2018
Description: Interior arrangement that includes rearrangement of passenger seats, existing emergency equipment and passenger service units.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5150NM	Status: Historical	App Date: 02/26/1991	Rev Date: 11/02/2018
Description: Interior arrangement that includes installation of passenger seats, rearrangement of passenger service units and installation of emergency equipment.
TC Nos.: A1NM
Models: The Boeing Company767-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 11323 30th Avenue W, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5183NM	Status: Historical	App Date: 07/19/1991	Rev Date: 11/02/2018
Description: Modificaton of passenger accommodations.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5679NM	Status: Current	App Date: 05/01/1991	Rev Date: 10/24/2018
Description: Installation of galleys.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 11323 30th Avenue W, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5686NM	Status: Historical	App Date: 12/20/1991	Rev Date: 11/02/2018
Description: Interior arrangement.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5709NM	Status: Historical	App Date: 02/17/1992	Rev Date: 11/02/2018
Description: Modification of an existing approved interior configuration
TC Nos.: A1NM
Models: The Boeing Company767-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5735NM	Status: Current	App Date: 04/30/1992	Rev Date: 10/24/2018
Description: Installation of Provisions Only - Honeywell Windshear Computer(P/N 4061048-903).
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5792NM	Status: Historical	App Date: 10/07/1992	Rev Date: 11/02/2018
Description: Interior arrangement.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5939NM	Status: Historical	App Date: 02/11/1993	Rev Date: 11/02/2018
Description: Interior arrangement.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5947NM	Status: Current	App Date: 10/10/1992	Rev Date: 10/24/2018
Description: Installation of Honeywell Flight Management Computers (P/N S242T102-451) and Honeywell Control Display Units (P/N S242T102-130) per Tramco STC Top Drawing 92-171 Rev. B, dated 4/12/93, or later, FAA-approved version.
TC Nos.: A1NM
Models: The Boeing Company767-300 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5958NM	Status: Historical	App Date: 03/31/1993	Rev Date: 11/02/2018
Description: Modification of an existing approved interior configuration. (767-27G)
TC Nos.: A1NM
Models: The Boeing Company767
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA643NW	Status: Current	App Date: 05/08/1978	Rev Date: 10/24/2018
Description: Installation of six carry-on baggage modules.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7002NM-DAS	Status: Current	App Date: 03/08/1994	Rev Date: 10/24/2018
Description: Modification of an existing approved interior configuration.
TC Nos.: A2NM
Models: The Boeing Company757-200
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA727NW	Status: Historical	App Date: 10/05/1978	Rev Date: 11/02/2018
Description: Installation of coatroom to replace aft left hand galley and installation of two auxiliary dry galley units
TC Nos.: A6WE
Models: The Boeing CompanyDC-9-31, DC-9-32, DC-9-32 (VC-9C), DC-9-32F, DC-9-32F (C-9A), DC-9-32F (C-9B), DC-9-33F, DC-9-34, DC-9-34F
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA764NW	Status: Historical	App Date: 10/19/1978	Rev Date: 11/02/2018
Description: Installation of non-structural inner window panes.
TC Nos.: A16WE, A3WE
Models: The Boeing Company727-200 Series, 737-100 Series, 737-200 Series, 737-200C Series, 737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 737-700C Series, 737-800 Series, 737-900 Series, 737-900ER Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA877NW	Status: Historical	App Date: 04/03/1979	Rev Date: 11/02/2018
Description: Installation of coat closet/dry gallery unit.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA948NW	Status: Current	App Date: 07/17/1979	Rev Date: 10/24/2018
Description: Installation of zero passenger, zero cargo configuration
TC Nos.: 4A21
Models: The Boeing Company707-100B Long Body, 707-100B Short Body
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00041SE	Status: Current	App Date: 09/30/1993	Rev Date: 10/24/2018
Description: Installation of Collins traffic alert and collision avoidance system (TCAS II) transmitter/receiver.
TC Nos.: A16WE
Models: The Boeing Company737-100 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00051SE	Status: Current	App Date: 04/04/1993	Rev Date: 10/24/2018
Description: Installation of a traffic alert and collision avoidance system(TCAS II).
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00287SE	Status: Historical	App Date: 12/20/1995	Rev Date: 11/02/2018
Description: Modify
TC Nos.: A1NM
Models: The Boeing Company767-200 Series, 767-300 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00293SE-D	Status: Current	App Date: 12/01/1997	Rev Date: 10/24/2018
Description: Reconfiguration of an approved Passenger Interior
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00542SE	Status: Current	App Date: 07/23/1996	Rev Date: 10/24/2018
Description: Fabrication and installation of modified inboard flap drive offset gearboxes.
TC Nos.: A3WE
Models: The Boeing Company727 Series, 727-100 Series, 727-100C Series, 727-200 Series, 727-200F Series, 727C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00602SE-D	Status: Current	App Date: 09/05/2000	Rev Date: 07/09/2020
Description: Installation of a complete interior including passenger seating. Approved for 737-700 IGW.
TC Nos.: A16WE
Models: The Boeing Company737-700 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00625SE-D	Status: Current	App Date: 08/02/2001	Rev Date: 10/24/2018
Description: Installation of an interior arrangement.
TC Nos.: A16WE
Models: The Boeing Company737-800 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00735SE	Status: Historical	App Date: 10/30/1998	Rev Date: 11/02/2018
Description: Installation of AlliedSignal P/N 965-0649-005 Digital Flight Data Acquisition Unit (DFDAU) and necessary sensors to record eighteen (18) parameters of data per BFGoodrich Master Drawing List D99-0004, Sheets 1 & 2, Revision B, dated September
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00967SE-D	Status: Current	App Date: 04/23/2002	Rev Date: 10/24/2018
Description: Installation of an interior arrangement
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00977SE-D	Status: Current	App Date: 12/10/2002	Rev Date: 10/24/2018
Description: Increased Maximum Take-Off Weight to 70,000 kg
TC Nos.: A28NM
Models: Airbus SASA319-112
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00986SE-D	Status: Current	App Date: 04/19/2004	Rev Date: 10/24/2018
Description: Installation of avionics upgrade
TC Nos.: A2NM
Models: The Boeing Company757-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01197SE	Status: Current	App Date: 01/14/2003	Rev Date: 10/24/2018
Description: Installation of the Dual Flight Management Computer (FMC) and Single FMC with Dual Provisions
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01576SE	Status: Current	App Date: 06/09/2005	Rev Date: 10/24/2018
Description: Interior reconfiguration in accordance with Goodrich Master Drawing List 2005-015.
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02426SE	Status: Current	App Date: 05/19/2014	Rev Date: 01/15/2015
Description: Installation of a new interior configuration
TC Nos.: A1NM
Models: The Boeing Company767-200 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02525SE	Status: Historical	App Date: 07/22/2015	Rev Date: 02/14/2017
Description: Installation of a Cargo Door Latch
TC Nos.: A16WE
Models: The Boeing Company737-600 Series, 737-700 Series, 737-800 Series, 737-900 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02525SE	Status: Current	App Date: 07/22/2015	Rev Date: 10/08/2019
Description: Installation of a Cargo Door Latch
TC Nos.: A16WE
Models: The Boeing Company737-600 Series, 737-700 Series, 737-700C Series, 737-8, 737-800 Series, 737-900 Series, 737-900ER Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02525SE	Status: Historical	App Date: 07/22/2015	Rev Date: 06/02/2017
Description: Installation of a Cargo Door Latch
TC Nos.: A16WE
Models: The Boeing Company737-600 Series, 737-700 Series, 737-800 Series, 737-900 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02525SE	Status: Historical	App Date: 07/22/2015	Rev Date: 11/27/2018
Description: Installation of a Cargo Door Latch
TC Nos.: A16WE
Models: The Boeing Company737-600 Series, 737-700 Series, 737-700C Series, 737-8, 737-800 Series, 737-900 Series, 737-900ER Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02527SE	Status: Historical	App Date: 10/04/2016	Rev Date: 03/16/2017
Description: Installation of a reconfiguration of the cabin interior
TC Nos.: A28NM
Models: AirbusA319-112
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02527SE	Status: Current	App Date: 10/04/2016	Rev Date: 04/04/2017
Description: Installation of a reconfiguration of the cabin interior
TC Nos.: A28NM
Models: AirbusA319-111, A319-112, A319-113, A319-114, A319-115, A319-131, A319-132, A319-133
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02541SE	Status: Current	App Date: 12/18/2016	Rev Date: 05/31/2017
Description: Installation of a reconfiguration of the cabin interior
TC Nos.: A28NM
Models: AirbusA319-111, A319-112, A319-113, A319-114, A319-115, A319-131, A319-132, A319-133
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th St. SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02577SE	Status: Current	App Date: 06/29/2017	Rev Date: 11/20/2017
Description: Installation of vortex generators
TC Nos.: A28NM
Models: Airbus SASA319-111, A319-112, A319-113, A319-114, A319-115, A319-131, A319-132, A319-133, A320-111, A320-211, A320-212, A320-214, A320-216, A320-231, A320-232, A320-233, A320-251N, A320-271n, A321-111, A321-112, A321-131, A321-211, A321-212, A321-213, A321-231, A321-232, A321-251N, A321-253N, A321-271N, A321-272N
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02634SE	Status: Current	App Date: 09/14/2018	Rev Date: 02/14/2019
Description: Installation of a CargoTek Cargo Protection Liner
TC Nos.: A28NM
Models: Airbus SASA320-211, A320-212, A320-214, A320-216, A320-231, A320-232, A320-233, A320-251N, A320-252N, A320-271N
ACO: AIR-770: West Certification Branch SEA

STC Holder: Aviation Technical Services 3121 109th Street SW, Everett, WA 98204-3500, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02638SE	Status: Current	App Date: 07/05/2018	Rev Date: 04/05/2019
Description: Installation of a CargoTek Cargo Protection Liner
TC Nos.: A16WE
Models: The Boeing Company737-700 Series, 737-800 Series
ACO: AIR-770: West Certification Branch SEA