STC SA8598SW
FAA DRS lists SA8598SW as Current · Reissued, held by Floats & Fuel Cells, for Twin Commander Aircraft 690A, Twin Commander Aircraft 690, and Twin Commander Aircraft 685, and 5 more aircraft configurations. Recorded change: Installation of P/N GL204-501, lower center fuel tank bladder cells, as a replacement for original bladder P/N 5630204-501. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA8598SW 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: Twin Commander Aircraft 690A, Twin Commander Aircraft 690, and Twin Commander Aircraft 685, and 5 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related fuel systems STCs
Installation of 15-gallon wing tip fuel tanks.
FAA holder: General Aviation Modifications Inc.
Installation of wing tip fuel tanks.
FAA holder: General Aviation Modifications Inc.
FAA record reference
- STC number
- SA8598SW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- Not listed
- Revision date
- July 31, 2002
- CFR references
- Part 21