SA01387SEFuel systems
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
de Havilland (Canada) DHC-2 Mk.III STCs
The Jun 30, 2026 FAA DRS snapshot contains 12 selected supplemental type certificates with status Current whose public applicability data names the de Havilland (Canada) DHC-2 Mk.III. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
12
listed Current at snapshot
8
holder directories
5
modification categories
Apr 5, 2019
latest recorded revision
Modification demand surface
Aircraft structures5
Other aircraft modifications3
Fuel systems2
Flight controls1
Avionics1
Recently revised DHC-2 Mk.III STCs
Showing the 12 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA523NWOther aircraft modifications
Installation of float hatch covers on Edo 58-4580, 348-4580 or 679-4930 floats.
FAA holder: Kenmore Air Harbor LLC
SR01848SEFlight controls
Revise the routing of the existing water rudder retraction cables from the cockpit through the belly of the aircraft.
FAA holder: Kenmore Air Harbor LLC
SA2586NM (PAGE 3)Other aircraft modifications
Installation of J.P. Instruments temperature monitoring systems.
FAA holder: J P Instruments
SA01230SEOther aircraft modifications
Installation of 150 lb. baggage compartment in either or both EDO 679-4930 floats and EDO 58-4580 floats.
FAA holder: Kenmore Air Harbor Inc
SA01205WI-D (2 OF 2)Avionics
Installation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors.
FAA holder: Honeywell International Inc
SA01300NYAircraft structures
Installation of Sealand Model 10128 replacement wing tip tanks.
FAA holder: Sealand Aviation Ltd
SA02258AKAircraft structures
Fabrication and installation of a replacement forward fuselage tubular frame.
FAA holder: Airframes Inc
SA02072NYFuel systems
Installation of updated fuel system components must be done in accordance with Viking Air Ltd., Master Document Index (MDI), VT2MK1372, Issue 1, dated June 8, 2004, Transport Canada approved September 14, 2004, or later Transport Canada approved revision.
FAA holder: Viking Air Limited
SA01645NYAircraft structures
Installation of Sealand Front Fuselage Strut Assembly, part number SAL 9000 per Installation Instruction for SAL-9000 Front Strut Assembly dated 1/28/03.
FAA holder: Sealand Aviation Ltd
SA02133AKAircraft structures
Installation of Front Fuselage Strut Assembly fabricated per F. Atlee Dodge Master Data Sheet, Drawing No. 3309 latest FAA approved revision.
FAA holder: F Atlee Dodge Aircraft Service
SA01580NYAircraft structures
Replace existing front fuselage strut assemblies with Amtech Aeronautical Ltd strut assembly - front fuselage 302811-1 (LHS) and 302811-2 (RHS).
FAA holder: Acorn Welding Ltd.