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.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
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