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No. of STCs: 6

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2229CE	Status: Current	App Date: 10/17/1986	Rev Date: 01/12/2007
Description: Installation of McCauley 2A34C203/90DCA-2 or 2A34C203/90DCA-8 propeller. (THRU S/N 18052770)
TC Nos.: 5A6
Models: The Cessna Aircraft Company180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J
ACO: AIR-770: West Certification Branch SEA

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2253CE	Status: Current	App Date: 11/10/1986	Rev Date: 01/12/2007
Description: Installation of McCauley C2A34C204/90DCB-8, 2A34C203/90DCA-8 or 2A34C201/90DA-8 propeller (through S/N 18265175).
TC Nos.: 3A13
Models: The Cessna Aircraft Company182, 182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P
ACO: AIR-770: West Certification Branch SEA

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP1520SO	Status: Historical	App Date:	Rev Date: 05/01/1984
Description: Install Memphis Prop. counterweight thrust bearings in place of the Hamilton Standard counterweight thrust bearings.
TC Nos.: P-206, P-257
Models: Hamilton Standard Division12D, 2D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP1520SO	Status: Current	App Date: 04/07/1983	Rev Date: 01/05/1999
Description: Install Memphis Prop. counterweight thrust bearings in place of the Hamilton Standard counterweight thrust bearings.
TC Nos.: P-206, P-257
Models: Hamilton Standard Division12D40, 2D30
ACO: AIR-770: West Certification Branch SEA

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP1521SO	Status: Historical	App Date:	Rev Date: 10/21/1999
Description: Install Memphis Prop. Counterweight Thrust Bearings in place of the Hamilton Standard counterweight bearings.
TC Nos.: P-206, P-257
Models: Hamilton Standard Division12D, 2D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Northwest Propeller Services Inc. 16709 Meridian St. E, Unit 3&4, Puyallup, WA 98373, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP1521SO	Status: Current	App Date: 04/07/1983	Rev Date: 08/06/2003
Description: Install Northwest Propeller Service Counterweight Thrust Bearings in place of the Hamilton Standard Counterweight Thrust Bearings
TC Nos.: P-206, P-257
Models: Hamilton Standard Division12D40, 2D30
ACO: AIR-770: West Certification Branch SEA