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Engine and powerplant

STC SA1686WE

FAA DRS lists SA1686WE as Current · Reissued, held by FTG, Inc., for Alliance Aircraft Group H-395 (USAF L-28A or U-10B), Lockheed Aircraft 18, and Piaggio & C P.136-L1, and 37 more aircraft configurations. Recorded change: Installation of Vibration Isolation Products (VIP) engine mount P/Ns VIP 50525-1 and VIP 50545-1 on various aircraft as shown on FAA Approved Model List (AML) No. SA1686WE. Snapshot dated June 30, 2026.

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FAA-listed holder
FTG, Inc.
Aircraft configurations
40
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA1686WE identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Alliance Aircraft Group H-395 (USAF L-28A or U-10B), Lockheed Aircraft 18, and Piaggio & C P.136-L1, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Alliance Aircraft Group H-395 (USAF L-28A or U-10B)1A8Lockheed Aircraft 18A-723Piaggio & C P.136-L1A-813Piaggio & C P.136-L2A-813Twin Commander Aircraft 560-F2A4Twin Commander Aircraft 6802A4Twin Commander Aircraft 680-E2A4Twin Commander Aircraft 680-F2A4Twin Commander Aircraft 680-FL(P)2A4Twin Commander Aircraft 7202A4Twin Commander Aircraft 500-A6A1Twin Commander Aircraft 5606A1Twin Commander Aircraft 560-A6A1Twin Commander Aircraft 560-E6A1Textron Aviation 653A20Textron Aviation 65-803A20Textron Aviation 65-883A20Textron Aviation 65-A803A20Textron Aviation 703A20Textron Aviation 65-B803A20Textron Aviation A653A20Textron Aviation E505A4Textron Aviation F505A4Textron Aviation G505A4Textron Aviation H505A4Textron Aviation J505A4Textron Aviation 310A3A10Textron Aviation 310B3A10Textron Aviation 310C3A10Textron Aviation 310D3A10Textron Aviation 310E3A10Textron Aviation 310F3A10Textron Aviation 310G3A10Textron Aviation 310H3A10Textron Aviation 310I3A10Textron Aviation 1823A13Textron Aviation 182A3A13Textron Aviation 182B3A13Textron Aviation 182C3A13Textron Aviation 182D3A13

Related engine and powerplant STCs

FAA record reference

STC number
SA1686WE
Product
Aircraft · Single-Engine
Country
United States
Application date
December 18, 1957
Revision date
January 3, 2023
CFR references
Part 21