STC SA7977SW
FAA DRS lists SA7977SW as Current · Reissued, held by AAR Airframe and Accessories Group Inc, for Bombardier-Rotax GmbH DHC-7 Series. Recorded change: Installation of Freon Air Conditioning on DeHavilland DHC-7 aircraft without battery modifications in nacelles. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Freon Air Conditioning on DeHavilland DHC-7 aircraft without battery modifications in nacelles.
SA7977SW 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: Bombardier-Rotax GmbH DHC-7 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Bombardier-Rotax GmbH DHC-7 Series model, serial range, and configuration?
- 02Which load analysis, wiring changes, protection, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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