STC SA4-220
FAA DRS lists SA4-220 as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Recorded change: Installation of tail wheel cover and fairing. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-220 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 DC3-G102, Boeing DC3-G102A, and Boeing DC3-G103A, and 11 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related landing gear and brakes STCs
Installation of Beringer Brake Master Cylinder & Brake Pedal.
FAA holder: Beringer Aero USA, Inc
Modified landing gear warning system installed.
FAA holder: Warbelow's Air Ventures, Inc.
Move nose wheel steering switch from power lever to both control wheels.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Install Tire storage provisions in aft section.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
FAA record reference
- STC number
- SA4-220
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- May 3, 1957
- Revision date
- July 15, 2016
- CFR references
- Part 21