STC SP161NW
FAA DRS lists SP161NW as Current · Reissued, held by Pacific Propeller International LLC, for Hamilton Standard Division 23D. Recorded change: Installation of rear spider seal in lieu of Hamilton Standard seal per FAA sealed Pacific Propeller, Inc. Drawing List No. 7500, dated February 24, 1975, or later FAA sealed revision thereto. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SP161NW 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: Hamilton Standard Division 23D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related propellers STCs
Installation of a replacement main rotor blade.
FAA holder: Helicopter Technology Co
Installation of a replacement main rotor blade, part number 500P2100-301 and 303.
FAA holder: Helicopter Technology Co
Installation of a 4-blade MT-Propeller Models MTV-16-I-E-C-F/CF225-37a on a Cessna 421C airplanes.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of McCauley1A175 GM8242, 8244, or 8246 propeller.
FAA holder: Wick Air Inc.
FAA record reference
- STC number
- SP161NW
- Product
- Propeller
- Country
- United States
- Application date
- January 14, 1975
- Revision date
- March 25, 2004
- CFR references
- Part 21, Part 35