STC SA4-493
FAA DRS lists SA4-493 as Current 路 Reissued, held by FTG, Inc., for General Dynamics PBY-5A (Army OA-10A) and Catalina Aircraft Trust 28-5ACF. Recorded change: Installation of VIP P/N 104-1-C engine mount cores. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current 路 Reissued
Recorded modification
What the FAA record covers
SA4-493 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: General Dynamics PBY-5A (Army OA-10A) and Catalina Aircraft Trust 28-5ACF. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
General Dynamics PBY-5A (Army OA-10A)2-548
Catalina Aircraft Trust 28-5ACFTC 785Related engine and powerplant STCs
Installation of Lycoming IO-720-B1B or B1BD turbocharged engine.
FAA holder: RPM Commander LLC
FAA record reference
- STC number
- SA4-493
- Product
- Aircraft 路 Large Airplane
- Country
- United States
- Application date
- April 16, 1958
- Revision date
- May 13, 2022
- CFR references
- Part 21