STC SA5981SW
FAA DRS lists SA5981SW as Current · Reissued, held by RAM Aircraft Limited Partnership, for Cessna Aircraft 421C. Recorded change: Increase maximum ramp weight to 7610 pounds, maximum takeoff weight to 7560 pounds, maximum landing weight is 7200 pounds, maximum zero fuel weight is 6533 pounds. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA5981SW 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: Cessna Aircraft 421C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related fuel systems STCs
Installation of replacement fuel cell assemblies.
FAA holder: FFC Manufacturing
Installation of replacement fuel cell assemblies.
FAA holder: FFC Manufacturing
Installation of replacement fuel cell assemblies.
FAA holder: FFC Manufacturing
Installation of auxiliary fuel tank in nose compartment area.
FAA holder: Airline Fueling Inc.
FAA record reference
- STC number
- SA5981SW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- May 29, 1985
- Revision date
- October 8, 2001
- CFR references
- Part 3, Part 21