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No. of STCs: 13

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4751NM	Status: Historical	App Date:	Rev Date: 07/28/1989
Description: Fabrication of Onboard Weighing Systems Model E-47 Cargo Hook Load Cell System.
TC Nos.: H1SW
Models: Bell Helicopter Textron204B, 205A, 205A-1
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH539NW	Status: Historical	App Date:	Rev Date: 10/31/1977
Description: Installation of weighing system.
TC Nos.: 4H11
Models: Rogerson Hiller CorporationUH-12E, UH-12E-L
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH539NW	Status: Current	App Date: 09/29/1977	Rev Date: 11/23/1977
Description: Installation of weighing system.
TC Nos.: 4H11
Models: Siam Hiller Holdings Inc.UH-12E
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH540NW	Status: Current	App Date: 10/24/1977	Rev Date: 01/09/1978
Description: Installation of onboard weighing system.
TC Nos.: 7H1, H1IN
Models: Eurocopter FranceSA 318C-Alouette Astazou, SA.315B Alouette III
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH598NW	Status: Current	App Date: 10/24/1977	Rev Date: 05/18/1978
Description: Installation of Onboard weighing system
TC Nos.: H3WE
Models: MD Helicopter Inc.369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems 13915 NW 3rd Court, Vancouver, WA 98685, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH611NW	Status: Current	App Date: 05/08/1978	Rev Date: 06/16/1978
Description: Installation of weighing system
TC Nos.: H1SW, H4SW
Models: Bell Helicopter Textron Inc.204B, 205A, 205A-1, 205B, 212
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH618NW	Status: Current	App Date: 05/04/1978	Rev Date: 06/15/1978
Description: Installation of the Onboard Weighing System Adapter No. 1500, for use with Eastern Rotorcraft Cargo Hook No 2A15E
TC Nos.: 4H10, 4H11, H1WE
Models: Hiller AviationUH-12D, UH-12L, UH-12L4 Siam Hiller Holdings Inc.UH-12E
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH694NW	Status: Current	App Date:	Rev Date: 12/14/1978
Description: Installation of Model 2512 weighing system.
TC Nos.: 7H1
Models: Eurocopter FranceSA318C Alouette Astazou
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH702NW	Status: Current	App Date: 03/15/1978	Rev Date: 01/23/1979
Description: Installation of weighing system.
TC Nos.: H2SW
Models: Bell Helicopter Textron Canada Limited206A, 206B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH734NW	Status: Current	App Date: 03/05/1979	Rev Date: 03/21/1979
Description: Installation of an Onboard Weighing System.
TC Nos.: H6EU
Models: Eurocopter FranceSA341G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH752NW	Status: Current	App Date: 03/19/1979	Rev Date: 04/12/1979
Description: Installation of a weighing system.
TC Nos.: H1IN
Models: Eurocopter FranceSA.315B Alouette III, SA.316B Alouette III, SA.316C Alouette III, SA.319B Alouette III, SE.3160 Alouette III
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH771NW	Status: Current	App Date: 04/05/1979	Rev Date: 05/15/1979
Description: Installation of a weighing system.
TC Nos.: H9EU
Models: Eurocopter FranceAS-350C, AS-350D, AS-350D1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Onboard Weighing Systems P.O. Box 3413, Portland, OR 97203, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH828NW	Status: Current	App Date: 05/31/1979	Rev Date: 09/06/1979
Description: Installation of weighing system. (AS MODIFIED BY STC SH657NW)
TC Nos.: H-1
Models: Scotts-Bell 47 Inc47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47H-1
ACO: AIR-770: West Certification Branch SEA