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.
Buyer checks
Confirm before sourcing
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