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Engine and powerplant

STC SE1-391

FAA DRS lists SE1-391 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Pratt & Whitney Division R-985 Series. Recorded change: Pratt & Whitney R-985 engine and ATI fuel injection. Snapshot dated June 30, 2026.

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FAA-listed holder
Staggerwing Museum Foundation Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SE1-391 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: Pratt & Whitney Division R-985 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Pratt & Whitney Division R-985 Series5E-1

Related engine and powerplant STCs

SR09492RCEngine and powerplant

Installation of Pratt & Whitney Canada PT6C-67D, engine in accordance with DynCorp International Master Drawing List Report Number D1H-MDL-100, Revision IR, dated \nApril 17, 2007, or later FAA approved revision. DynCorp International Rotorcraft Flight Manual Supplement (RFMS) Report Number DIER-0012, Revision 0, dated \nJanuary 17, 2008, or later FAA approved revision, is required. Instructions for Continued Airworthiness (ICAs) DIER-0003, Revision 1, dated August 30, 2007, or later revision is required. Airworthiness Limitations section of ICA DIER-0003, approved on August 30, 2007 or later approved revision is required.

FAA holder: TALON Aerospace Inc.

View record

FAA record reference

STC number
SE1-391
Product
Engine
Country
United States
Application date
October 17, 1959
Revision date
October 6, 2006
CFR references
Part 13, Part 21