FAA-listed STC holder
PC6-AU23 Spares LLC STCs
The Jun 30, 2026 FAA DRS snapshot lists 37 selected supplemental type certificates with status Current under PC6-AU23 Spares LLC. The records span 14 public aircraft directories and 11 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Aircraft represented
Recently revised records
Showing the 37 most recently revised records. Category directories provide the complete paginated discovery path.
Installation of engine fuel purge system-engine shutdown.
FAA holder: PC6-AU23 Spares LLC
Installation of fuel collector tank - engine shutdown fuel discharge.
FAA holder: PC6-AU23 Spares LLC
Installation of Randolph Mfg. Co. Model 133 vacuum regulator.
FAA holder: PC6-AU23 Spares LLC
Installation of Zep Aero oxygen system.
FAA holder: PC6-AU23 Spares LLC
Installation of pilot's and co-pilot's shoulder harness.
FAA holder: PC6-AU23 Spares LLC
Installation of Hartzell propeller Model HC-B3TN-3D/T10178C(H).
FAA holder: PC6-AU23 Spares LLC
Installation of EDO-58-4580 floats.
FAA holder: PC6-AU23 Spares LLC
Installation of a sliding door on the left side of fuselage.
FAA holder: PC6-AU23 Spares LLC
Installation of two external fuel tanks of fifty gallons capacity each, mounted.
FAA holder: PC6-AU23 Spares LLC
Installation of dual ARC 21A ADF's, and ARC 131B VHF's and one SA14RA HF avionics equipment.
FAA holder: PC6-AU23 Spares LLC
Installation of outboard aileron reinforcement.
FAA holder: PC6-AU23 Spares LLC
Installation of vertical stabilizer reinforcement.
FAA holder: PC6-AU23 Spares LLC
Installation of horizontal/stabilizer reinforcement.
FAA holder: PC6-AU23 Spares LLC
Installation of Bulkhead 12A reinforcement.
FAA holder: PC6-AU23 Spares LLC
Cabin Floor, Special Installation - Structural Provisions.
FAA holder: PC6-AU23 Spares LLC
Substitution of AN Hardware in lieu of Metric Hardware.
FAA holder: PC6-AU23 Spares LLC
Installation of longitudinal out of trim warning system.
FAA holder: PC6-AU23 Spares LLC
Installation of battery over- temperature warning system.
FAA holder: PC6-AU23 Spares LLC
Removal of landing gear and installation of seaplane conversion.
FAA holder: PC6-AU23 Spares LLC