STC SA4-492
FAA DRS lists SA4-492 as Current · Reissued, held by FTG, Inc., for Boeing DC-4 and Boeing C54-DC. Recorded change: Installation of VIP P/N's 104-1-B and 104-1-C engine mount cores. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SA4-492 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: Boeing DC-4 and Boeing C54-DC. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
FAA record reference
- STC number
- SA4-492
- Product
- Aircraft · Large Multi-Engine
- Country
- United States
- Application date
- April 16, 1958
- Revision date
- May 13, 2022
- CFR references
- Part 21