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No. of STCs: 46

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01686SE	Status: Current	App Date: 04/08/2003	Rev Date: 05/07/2009
Description: Fabrication and installation of engine control levers.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250 (Navy UO-1)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1294SW	Status: Current	App Date: 04/08/1971	Rev Date: 10/10/1997
Description: Installation of fiberglass tail cone.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1306SW	Status: Current	App Date: 10/27/1970	Rev Date: 12/27/1999
Description: Installation of Lycoming IO-360-C1C engines with Hartzell HC-C2YK-2/C7666A-4 propellers with gross weight increase.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1314SW	Status: Current	App Date: 04/19/1971	Rev Date: 12/27/1999
Description: Installation of Fiberglass extended nose.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1315SW	Status: Current	App Date: 04/19/1971	Rev Date: 12/27/1999
Description: Installation of fiberglass dorsal fin.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA162SW	Status: Current	App Date: 10/31/1992	Rev Date: 10/10/1997
Description: Installation of cabin emergency exit window and sixth seat.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2793SW	Status: Current	App Date: 05/23/1978	Rev Date: 10/10/1997
Description: Installation of rubber hinge reinforcing bracket.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA362SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Installation of rear baggage compartment.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA362SW	Status: Historical	App Date:	Rev Date: 10/10/1997
Description: Installation of rear baggage compartment.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA371SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Installation of fiberglass nose cone.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3843SW	Status: Current	App Date: 02/10/1987	Rev Date: 10/10/1997
Description: Installation of electrical propeller deicing boots.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4007SW	Status: Current	App Date: 06/21/1979	Rev Date: 10/10/1997
Description: Installation of elevator brace and ribs.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4178SW	Status: Current	App Date: 04/28/1980	Rev Date: 03/03/2014
Description: Installation of 718-1 instrument panel assembly or optional 718-3 assembly
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch DEN

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4178SW	Status: Historical	App Date: 04/28/1980	Rev Date: 10/10/1997
Description: Installation of 718-1 instrument panel assembly or optional 718-3 assembly
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4466SW	Status: Historical	App Date:	Rev Date: 10/10/1997
Description: Installation of revised cowling.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4466SW	Status: Current	App Date: 05/21/1981	Rev Date: 11/13/1997
Description: Installation of revised cowling.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA452SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Installation of third window in aft cabin, left and right.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250 (Navy UO-1)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA461SW	Status: Current	App Date:	Rev Date: 10/10/1997
Description: Installation of Ramshorn type control wheel.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA462SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Installation of one-piece windshield.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA462SW	Status: Historical	App Date:	Rev Date: 10/10/1997
Description: Installation of one-piece windshield.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA463SW	Status: Historical	App Date:	Rev Date: 11/24/1992
Description: Landing gear wheel well doors.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA463SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Landing gear wheel well doors.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA497SW	Status: Current	App Date:	Rev Date: 10/10/1997
Description: Fiberglass engine nose cowl.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA497SW	Status: Historical	App Date: 10/11/1965	Rev Date: 11/24/1992
Description: Installation of fiberglass engine nose cowl.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA498SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Installation of dual brakes.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA499SW	Status: Current	App Date: 10/11/1965	Rev Date: 10/10/1997
Description: Engine nacelle and fuselage wing root fairings.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5589SW	Status: Current	App Date: 05/06/1983	Rev Date: 10/10/1997
Description: Inflatable seal on cabin entry door.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5730SW	Status: Current	App Date: 02/10/1984	Rev Date: 10/10/1997
Description: Modified fuel filler neck opening to accept Model PA-23-250 fuel caps.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5918SW	Status: Current	App Date: 08/14/1985	Rev Date: 10/10/1997
Description: Installation of one piece windshield.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA597SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Extended nose with baggage compartment.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250 (Navy UO-1), PA-E23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA598SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Installation of wheel well doors.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA599SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Installation of fiberglass engine nose cowls.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA600SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Installation of narcelle and wing root fairings.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA612SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Installation of square wing tips.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA613SW	Status: Current	App Date: 12/20/1965	Rev Date: 12/27/1999
Description: Installation of dorsal fin and square tip fin and rudder.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA636SW	Status: Current	App Date: 04/11/1966	Rev Date: 10/10/1997
Description: Modified nose, gear doors, nacelle fairings, and wing tips.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250 (Navy UO-1)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA671SW	Status: Current	App Date: 04/11/1966	Rev Date: 10/10/1997
Description: Dorsal fin and square rudder modification.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA697SW	Status: Current	App Date: 09/22/1966	Rev Date: 12/27/1999
Description: Installation of one-piece windshield.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA698SW	Status: Current	App Date: 09/22/1966	Rev Date: 12/27/1999
Description: Installation of Rear picture window.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA774SW	Status: Current	App Date: 11/07/1966	Rev Date: 12/27/1999
Description: Installation of Franklin 64-350-C1 engines with McCauley 2AF31C10/84SF-8 propeller increase gross weight 3675 lbs. takeoff for Piper Model PA-23, and increase in gross weight to 3992 lbs take-off for Piper model PA-23-160
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA779SW	Status: Current	App Date: 11/07/1966	Rev Date: 12/27/1999
Description: Installation of auxiliary tanks in the nacelle over top of wing
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA803SW	Status: Current	App Date: 05/10/1967	Rev Date: 12/27/1999
Description: Dual brake installation
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA894SW	Status: Current	App Date: 03/12/1968	Rev Date: 12/27/1999
Description: Installation of nacelle saddleback.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160, PA-23-235, PA-23-250
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA897SW	Status: Current	App Date: 02/26/1968	Rev Date: 12/27/1999
Description: Installation of fiberglass propeller spinners.
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA898SW	Status: Current	App Date: 03/18/1968	Rev Date: 12/27/1999
Description: Revised engine cowling installation
TC Nos.: 1A10
Models: Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA

STC Holder: Apache Modification Aircraft Corporation 1893 Airport Road, Kalispell, MT 59901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA899SW	Status: Current	App Date: 09/05/1967	Rev Date: 02/24/1999
Description: Installation of Lycoming O-360-AID engine and Hartzell HC-C2YK-2RB/7666A-2 or HC-C2YK-2CUF/FC7666A-2 propeller.
TC Nos.: 1A10
Models: The New Piper Aircraft Inc.PA-23, PA-23-160
ACO: AIR-770: West Certification Branch SEA