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Propellers

STC SA709GL

FAA DRS lists SA709GL as Current · Amended, held by Wipaire Inc., for Viking Air DHC-2 Mk.I. Recorded change: Installation of Hartzell HC-B3R30-4, -4A, -4B/ R10152-5 1/2 propeller, C-4 governor, and836-32PR spinner on P&W R-985 series engines (with 4 1/2 and 9th order crankshaft vibration dampers). (DHC-2 (L-20A) MK.I LANDPLANE; SKIPLANE, FLOATPLANE). Snapshot dated June 30, 2026.

FAA-listed holder
Wipaire Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of Hartzell HC-B3R30-4, -4A, -4B/ R10152-5 1/2 propeller, C-4 governor, and836-32PR spinner on P&W R-985 series engines (with 4 1/2 and 9th order crankshaft vibration dampers). (DHC-2 (L-20A) MK.I LANDPLANE; SKIPLANE, FLOATPLANE).

SA709GL identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Viking Air DHC-2 Mk.I. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Viking Air DHC-2 Mk.IA-806

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Viking Air DHC-2 Mk.I model, serial range, and configuration?
  2. 02Which propeller, governor, spinner, engine, and vibration limits apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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