STC SA1521CE-D
FAA DRS lists SA1521CE-D as Current · Reissued, held by Honeywell International Inc, for Textron Aviation 414A and Textron Aviation 421C. Recorded change: Installation of King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA1521CE-D 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: Textron Aviation 414A and Textron Aviation 421C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installation of "Speed Splitter" flap bracket fairings.
FAA holder: Whelen Aerospace Technologies
Installation of 'speed splitter' flap bracket fairings.
FAA holder: Whelen Aerospace Technologies
FAA record reference
- STC number
- SA1521CE-D
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- October 5, 1979
- Revision date
- March 20, 2020
- CFR references
- Part 3, Part 21