STC SA4557NM
FAA DRS lists SA4557NM as Current · Reissued, held by Heavy Lift Helicopters Inc, for USDA Forest Service C-130A. Recorded change: Installation of Retardant Tanks for the special purpose of Forest and Wildlife Conservation. (Approved for SN 56-0530 only). 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
SA4557NM 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: USDA Forest Service C-130A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of DMS ARINC data recorder.
FAA holder: ECT Industries
Installation of Concorde Valve Regulated Lead-Acid Main Batteries.
FAA holder: Gulfstream Aerospace Corporation
FAA record reference
- STC number
- SA4557NM
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- February 15, 1989
- Revision date
- August 21, 2002
- CFR references
- Part 21