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No. of STCs: 3

STC Holder: Covington Aircraft Engines, Inc. P.O. Box 1344, Okmulgee, OK 74447, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE09257SC	Status: Current	App Date:	Rev Date: 09/30/1996
Description: Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.
TC Nos.: E4EA
Models: Pratt & Whitney Canada Inc.PT6A-11, PT6A-110, PT6A-112, PT6A-114, PT6A-114A, PT6A-116, PT6A-11AG, PT6A-121, PT6A-135, PT6A-135A, PT6A-15AG, PT6A-20, PT6A-20A, PT6A-20B, PT6A-21, PT6A-25, PT6A-25A, PT6A-25C, PT6A-27, PT6A-28, PT6A-29, PT6A-34, PT6A-34AG, PT6A-34B, PT6A-36, PT6A-38, PT6A-40, PT6A-41, PT6A-41AG, PT6A-42, PT6A-45, PT6A-45A, PT6A-45B, PT6A-45R, PT6A-50, PT6A-6, PT6A-6/C20, PT6A-60, PT6A-60A, PT6A-61, PT6A-61A, PT6A-65AG, PT6A-65AR, PT6A-65B, PT6A-65R, PT6A-6A, PT6A-6B
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Covington Aircraft Engines, Inc. P.O. Box 1344, Okmulgee, OK 74447, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE09538SC	Status: Current	App Date:	Rev Date: 03/30/1999
Description: Installation of American Bosch magneto and ignition harness, model SB9RU-3 magneto and P/N 165373 harness, or SB9RC-3 magneto and PN 165374 harness.
TC Nos.: 5E-2, E-129, E-142
Models: Pratt & Whitney DivisionR-1340 Series, R-1340-59, Wasp R-1340-61, Wasp S1H1, Wasp S1H1-G, Wasp S1H2, Wasp S1H4, Wasp S3H1-G, Wasp S3H2
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Covington Aircraft Engines, Inc. P.O. Box 1344, Okmulgee, OK 74447, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE4-864	Status: Current	App Date:	Rev Date: 12/28/2001
Description: Increase in impeller drive ratio from 10:1 to 12:1.
TC Nos.: 5E-1, E-123
Models: Pratt & Whitney DivisionR-985 Series, Wasp Jr. Series
ACO: AIR-760: Central Certification Branch FTW