STC SH321NW
FAA DRS lists SH321NW as Current · Reissued, held by Siam Hiller Holdings Inc, for Hiller Aviation UH-12D (Army UH-23D). Recorded change: Installation of a Bendix fuel control/power governor system on the Allison 250-C20 turbine powered Hiller UH-12D rotorcraft. (UH-12D (ARMY UH-23D) modified per STC SH177WE). Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SH321NW 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: Hiller Aviation UH-12D (Army UH-23D). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
FAA record reference
- STC number
- SH321NW
- Product
- Aircraft · Rotorcraft
- Country
- United States
- Application date
- May 17, 1976
- Revision date
- August 19, 2005
- CFR references
- Part 21, Part 27