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Other aircraft modifications

STC SA1437GL

FAA DRS lists SA1437GL as Current · Reissued, held by Irwin International Inc, for de Havilland (Canada) DHC-2 (L-20A) MK.I and de Havilland (Canada) DHC-2 (L-20A) MK.III. Recorded change: Replace the float hull bottom skins on EDO Model 679-4930 or EDO model 58-4580 floats. Snapshot dated June 30, 2026.

FAA-listed holder
Irwin International Inc
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replace the float hull bottom skins on EDO Model 679-4930 or EDO model 58-4580 floats.

SA1437GL 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: de Havilland (Canada) DHC-2 (L-20A) MK.I and de Havilland (Canada) DHC-2 (L-20A) MK.III. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

de Havilland (Canada) DHC-2 (L-20A) MK.IA-806de Havilland (Canada) DHC-2 (L-20A) MK.IIIA-806

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact de Havilland (Canada) DHC-2 (L-20A) MK.I and de Havilland (Canada) DHC-2 (L-20A) MK.III model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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