STC SA2-328
FAA DRS lists SA2-328 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Hawker Beechcraft Army AT-11, Hawker Beechcraft Navy SNB-1, and Hawker Beechcraft C18S, and 7 more aircraft configurations. Recorded change: Installation of Hartzell propeller unfeathering crossfeed system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA2-328 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: Hawker Beechcraft Army AT-11, Hawker Beechcraft Navy SNB-1, and Hawker Beechcraft C18S, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related propellers STCs
Installation of Composite Main Rotor Blade.
FAA holder: Helicopter Transport Services LLC
Installation of Chadwick Helmuth Propeller Balance Monitoring System (Vibration Management System II, VMS II).
FAA holder: Diagnostic Solution International LLC