STC SA4-977
FAA DRS lists SA4-977 as Current · Amended, held by Univair Aircraft Corporation, for New Piper Aircraft PA-16, New Piper Aircraft PA-18, and New Piper Aircraft PA-19 (Army L-18C), and 8 more aircraft configurations. Recorded change: Installation of Fiberglass rudder post mount for either Grimes or Whelen WRM rotating beacons. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-977 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: New Piper Aircraft PA-16, New Piper Aircraft PA-18, and New Piper Aircraft PA-19 (Army L-18C), and 8 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installa King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators.
FAA holder: Honeywell International Inc
Installation of Bendix/King KFC 225 Automatic Flight Control System.
FAA holder: Honeywell International Inc
Installation of the King KFC-200 automatic flight control system.
FAA holder: Honeywell International Inc
FAA record reference
- STC number
- SA4-977
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- June 9, 1959
- Revision date
- October 6, 2005
- CFR references
- Part 21