Aircraft STC directory
Textron Aviation MU-300 STCs
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation MU-300. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised MU-300 STCs
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Modification for increased ramp, takeoff, landing, and maximum zero fuel weights.
FAA holder: New Flight Corporation
Installation of extended range fuselage auxiliary fuel tank.
FAA holder: Sierra Industries Ltd.
Installation of aft fuselage fuel tank fill system.
FAA holder: Sierra Industries Ltd.
Installation of tailcone baggage compartment modification,including access door modification.
FAA holder: Sierra Industries Ltd.
Installation of extended range fuselage auxiliary fuel tank.
FAA holder: Sierra Industries Ltd.
Installation of two-zone temperature control system MU-300 (S/N A023SA only).
FAA holder: Sierra Industries Ltd.
Installation of aft fuselage maintenance access doors.
FAA holder: Sierra Industries Ltd.
Installation of emergency lighting system improvement modification.
FAA holder: Textron Aviation Inc
Installation of replacement emergency power supply.
FAA holder: Textron Aviation Inc
Installation of replacement cabin door step and assist handle.
FAA holder: Textron Aviation Inc
Installation of a LED Tail Position Navigation Light Replacement.
FAA holder: Textron Aviation Inc