STC SA4-1121
FAA DRS lists SA4-1121 as Current · Reissued, held by General Aviation Modifications Inc., for Navion Aircraft Navion B. Recorded change: Increase in allowable gross weight from 2850 to 3100 pounds per STC SA4-915 when equipped with 20 gallon wing-tip tanks (Brittain Aircraft P/N 1000) installed. 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
SA4-1121 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: Navion Aircraft Navion B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related aircraft structures STCs
Installation of the Goodrich 8400M1 Cockpit Door Surveillance System.
FAA holder: Southeast Aerospace Inc
FAA record reference
- STC number
- SA4-1121
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- March 22, 1960
- Revision date
- February 7, 2020
- CFR references
- Part 21