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Electrical systems

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.

FAA-listed holder
AAR Airframe and Accessories Group Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

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.

Bombardier-Rotax GmbH DHC-7 SeriesA20EA

Buyer checks

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