STC Holder: Covington Aircraft Engines, Inc.

The Aviation DataBase -- STC Search System
Aviation Data Service, Inc.

No. of STCs: 3

STC Holder: Covington Aircraft Engines, Inc. Address: 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
TC Nos.: E4EA, 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
Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.

STC Holder: Covington Aircraft Engines, Inc. Address: 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
TC Nos.: E-129, E-142, 5E-2,
Models: Pratt & Whitney Division: R-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
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.

STC Holder: Covington Aircraft Engines, Inc. Address: 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
TC Nos.: E-123, 5E-1,
Models: Pratt & Whitney Division: R-985 Series , Wasp Jr. Series
ACO: AIR-760: Central Certification Branch FTW
Increase in impeller drive ratio from 10:1 to 12:1.