Skip to content

Aircraft STC directory

Twin Commander Aircraft 500-B STCs

The Jun 30, 2026 FAA DRS snapshot contains 33 selected supplemental type certificates with status Current whose public applicability data names the Twin Commander Aircraft 500-B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

33
listed Current at snapshot
21
holder directories
9
modification categories
Apr 29, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications11Fuel systems8Engine and powerplant5Landing gear and brakes2Flight controls2Aircraft structures2Aircraft connectivity1Electrical systems1Cabin and interiors1

Recorded holders

Merlyn Products Inc.7BF Goodrich Aerospace2Aircenter Inc2Signature Flight Support Corporation2Metrea Special Aerospace ISR Inc.1Dart Aerospace Company1Kaman Corporation Aircraft Wheel and Brake LLC1S-TEC Corporation1Avidyne Corporation1Hartzell Engine Technologies, LLC1Aircraft Components Inc1Twin Commander Aircraft LLC1Commuter Air Technology Inc1FFC Manufacturing1ROCKY TOP LEASING INC.1RPM Commander LLC1Ontic Engineering and Manufacturing Inc.1Saint-Gobain Performance Plastics Corp1Floats & Fuel Cells1DeVore Aviation Corporation of America, a New Mexico Corporation1

Recently revised 500-B STCs

Showing the 33 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.