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No. of STCs: 14

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1502NM	Status: Current	App Date:	Rev Date: 06/11/1982
Description: Installation of Westinghouse J34-WE-36 jet engine on top center line of fuselage.
TC Nos.: A8NM
Models: Fairchild Industries Inc.C-119F/R4Q2
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1533NM	Status: Current	App Date:	Rev Date: 02/18/1983
Description: Installation of Hamilton Standard Hydromatic propeller 43H60-603 and integral oil controls.
TC Nos.: A21WE
Models: Fairchild Industries Inc.C-119G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1549NM	Status: Current	App Date:	Rev Date: 05/16/1983
Description: Installation of Westinghouse J34-WE-34, J34-WE-36 jet engine on top center line of fuselage.
TC Nos.: A5NW
Models: Fairchild Industries Inc.C-119L
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1900WE	Status: Current	App Date:	Rev Date: 01/15/1974
Description: Installation of Wright R2600-35 engines and Hamilton Standard23E50-505/6359A-13 propellers.
TC Nos.: AR-29
Models: General Dynamics CorporationP4Y-2
ACO: AIR-770: West Certification Branch LA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA20RM	Status: Current	App Date:	Rev Date: 05/18/1976
Description: Install Westinghouse J-34-WE36 jet engines on top of center line of fuselage.
TC Nos.: A21WE
Models: Fairchild Industries Inc.C-119C, C-119G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA27RM	Status: Current	App Date:	Rev Date: 05/14/1974
Description: Integral fuel tank installation.
TC Nos.: AR-29
Models: General Dynamics CorporationP4Y-2
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3594NM	Status: Current	App Date: 07/07/1986	Rev Date: 09/18/1986
Description: Increase in the zero fuel weight of the Hawkins & Powers HP-B-377 airplane.
TC Nos.: A5NM
Models: Hawkins & Powers Aviation Inc.HP-B377
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3880NM	Status: Current	App Date: 10/23/1987	Rev Date: 11/20/1987
Description: Installation of aerial spray system. (DC-3C SERIES Restricted)
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA46RM	Status: Current	App Date:	Rev Date: 02/26/1975
Description: Operation with cargo door removed.
TC Nos.: A21WE
Models: Fairchild Industries Inc.C-119G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA48RM	Status: Current	App Date:	Rev Date: 02/27/1975
Description: Operation with cargo door removed.
TC Nos.: A24WE
Models: Fairchild Industries Inc.C-119G-3E
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA49RM	Status: Current	App Date:	Rev Date: 02/28/1975
Description: Operation with cargo door removed.
TC Nos.: A21WE
Models: Fairchild Industries Inc.C-119G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA74RM	Status: Current	App Date:	Rev Date: 05/21/1976
Description: Modification of floor and bottom fuselage for water and chemical tank installation.
TC Nos.: A21WE
Models: Fairchild Industries Inc.C-119C, C-119G
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE1505NM	Status: Current	App Date:	Rev Date: 04/23/1982
Description: Use of BG RG 27R spark plugs, in addition to other approved spark plugs.
TC Nos.: Group 5E-9
Models: Wright Aeronautical Division Curtiss-Wright CorporationDouble Row Cyclone Military R-2600 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hawkins & Powers Avn Inc P.O. Box 391, Greybull, WY 82426, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00030DE	Status: Current	App Date:	Rev Date: 05/05/1993
Description: Installation of tanks and dump system for fire fighting liquid suppressant.
TC Nos.: A30NM
Models: Hawkins & Powers Aviation Inc.HP-C-130A (Restricted Cat.)
ACO: AIR-770: West Certification Branch SEA