Manufacture of alternate fuel selector valves for the main fuel tank and the wing tank positions (part numbers EFSA25-5KA and EFSA25-4KA, respectively).
FAA holder: Kenmore Air Harbor LLC
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 8 selected supplemental type certificates with status Current whose public applicability data names the de Havilland (Canada) DHC-2 Mk.II. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 8 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Kenmore Air Harbor LLC
FAA holder: Kenmore Air Harbor LLC
FAA holder: J P Instruments
FAA holder: Kenmore Air Harbor Inc
FAA holder: Honeywell International Inc
FAA holder: Sealand Aviation Ltd
FAA holder: F Atlee Dodge Aircraft Service
FAA holder: Acorn Welding Ltd.