SA7738SWOther aircraft modifications
Installation of a freon air conditioning system.
FAA holder: Twin Otter STC Holdings LLC
Aircraft STC directory
Bombardier-Rotax GmbH DHC-6-300 STCs
The Jun 30, 2026 FAA DRS snapshot contains 10 selected supplemental type certificates with status Current whose public applicability data names the Bombardier-Rotax GmbH DHC-6-300. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
10
listed Current at snapshot
7
holder directories
6
modification categories
May 4, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications5
Electrical systems1
Propellers1
Avionics1
Aircraft structures1
Fuel systems1
Recently revised DHC-6-300 STCs
Showing the 10 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA390NEElectrical systems
Installation of Aircraft Parts starter-generator P/N 250SG115Q.
FAA holder: Skurka Aerospace Inc.
SA1385GLOther aircraft modifications
Installation of McCauley model 4HFR34C764/94LMB-0 propellers.
FAA holder: McCauley Propeller Systems
SA572EAPropellers
Installation of Goodrich Model 5735K deicer kit (P/N 5735 deicer boot, P/N D-5735-1 cable, P/N 5735H hardware kit). Limited to aircraft which incorporate Goodrich Propeller Deicing Systems equipped with Goodrich Propeller Deicer Boot P/N 4E1185-5 on Hartzell propellers as listed on STC SA572EA eligibility list.
FAA holder: Goodrich Corp.
SA00823CHOther aircraft modifications
Installation of various de-icer wire harnesses.
FAA holder: SMR Technologies
SA00129DE-DOther aircraft modifications
Installation of AlliedSignal CAS-66 TCAS I system.
FAA holder: Learjet Inc
SA00348NYFuel systems
Replacement of fuel filter element Aero-Flow Dynamics P/N 52-01103-1 (10 micron) with AAE P/N 740556.
FAA holder: PMA Design and Manufacturing, Inc.
SA812NEOther aircraft modifications
Installation of BF Goodrich Model 6975-1 De-Icer kit or BF Goodrich Model 6975-10 De-Icer kit.
FAA holder: BF Goodrich Aerospace