Aircraft STC directory
de Havilland (Canada) DHC-2 (L-20A) MK.I STCs
The Jun 30, 2026 FAA DRS snapshot contains 13 selected supplemental type certificates with status Current whose public applicability data names the de Havilland (Canada) DHC-2 (L-20A) MK.I. 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 DHC-2 (L-20A) MK.I STCs
Showing the 13 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Replace existing Strut Assembly - Front Fuselage.
FAA holder: Kenmore Air Harbor LLC
Installation of domed windows in cabin doors.
FAA holder: Kenmore Air Harbor LLC
Installation of 75 lb. Capacity baggage compartment below the existing baggage compartment.
FAA holder: Kenmore Air Harbor LLC
Replace the float hull bottom skins on EDO Model 679-4930 or EDO model 58-4580 floats.
FAA holder: Irwin International Inc
Installation of EAC-22D30-403/ AG-200-4S propeller on Pratt & Whitney R-985 series (450 HP- Item 301) engines.
FAA holder: Pacific Propeller International LLC
Maximum gross weight is increased to 5600 lbs. For Amphibian/seaplane version, either Wipline model 6000 or 6100 floats must be installed under STC SA610GL.
FAA holder: Wipaire Inc
Installation of Sealand jump seats.
FAA holder: Sealand Aviation Ltd
Installation of Sealand jump seats.
FAA holder: Sealand Aviation Ltd
Fabrication of bayonet-type seat foot assemblies and seat locking pin assembly.
FAA holder: DER Associates, Inc.
Installation of right hand wing landing light and floor track.
FAA holder: Viking Air Limited
Modify by removing the radial engine and installing a Pratt & Whitney Canada model PT6A-27/28 turboprop engine and Parts Kit No. 11D1-8005.
FAA holder: Wipaire Inc