STC SA4-1414
FAA DRS lists SA4-1414 as Current · Reissued, held by Brittain Industries, Inc, for Twin Commander Aircraft 500-A, Twin Commander Aircraft 500, and Twin Commander Aircraft 520, and 1 more aircraft configuration. Recorded change: Installed Brittain Industries, Inc., B2D Flight Control System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-1414 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 500-A, Twin Commander Aircraft 500, and Twin Commander Aircraft 520, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related flight controls STCs
Replacement of Rudder and Elevator Hinge Bearings with P. Ponk Aviation Bearing p/n PPA-1401.
FAA holder: McFarlane Aviation LLC