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

FAA revision date

October 10, 2024

FAA status

Current · Amended

Recorded modification

What the FAA record covers

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

SP00524SEPropellersRevised Mar 15, 2002

Installation of SMR Technologies electrothermal propeller deicer P/N SMR2822 as a replacement for McCauley electrothermal propeller deicer P/N B-40183-07 or Safeway electrothermal deicer P/N 6717SW on propellers 4HFR34C652-L106LA, 4HFR34C653/L106FA, 4HFR34C660/L90GA, 4HFR34C662/L108FA, and 4HFR34C663/L106KA.

FAA holder: SMR Technologies

View record

SP00569SEPropellersRevised Mar 15, 2002

Installation of SMR Technologies electrothermal propeller deicer P/N SMR2598-10W as a replacement for BF Goodrich ectrothermal propeller deicer P/N 4E2598-10. Approved for HC-B4TN-5ML.

FAA holder: SMR Technologies

View record

SP00570SEPropellersRevised Mar 15, 2002

Installation of SMR Technologies electrothermal propeller deicer P/N SMR7158412 as a replacement for Safeway electrothermal propeller deicer P/N Safeway 715841SW.

FAA holder: SMR Technologies

View record

SP00574SEPropellersRevised Mar 15, 2002

Installation of SMR Technologies electrothermal propeller deicer P/N SMR6890 as a replacement for Safeway electrothermal propeller deicer P/N Safeway 6890 (R.333 /4-82-F/12).

FAA holder: SMR Technologies

View record

What the FAA record covers

Aircraft named in FAA DRS

Confirm before sourcing

Related propellers STCs

Installation of SMR Technologies electrothermal propeller deicer P/N SMR2598-10W as a replacement for BF Goodrich ectrothermal propeller deicer P/N 4E2598-10. Approved for HC-B4TN-5ML.

Installation of SMR Technologies electrothermal propeller deicer P/N SMR7158412 as a replacement for Safeway electrothermal propeller deicer P/N Safeway 715841SW.

Installation of SMR Technologies electrothermal propeller deicer P/N SMR6890 as a replacement for Safeway electrothermal propeller deicer P/N Safeway 6890 (R.333 /4-82-F/12).