Skip to content
Cargo and special mission

STC SH505NW

FAA DRS lists SH505NW as Current · Reissued, held by Siam Hiller Holdings Inc, for Hiller Aviation UH-12D (Army UH-23D). Recorded change: Installation of cargo release pedal. Snapshot dated June 30, 2026.

FAA-listed holder
Siam Hiller Holdings Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of cargo release pedal.

SH505NW 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.

Hiller Aviation UH-12D (Army UH-23D)4H10

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Hiller Aviation UH-12D (Army UH-23D) model, serial range, and configuration?
  2. 02Which mission equipment, structural provisions, and limitations are approved?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related cargo and special mission STCs