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Other aircraft modifications

STC SA821GL

FAA DRS lists SA821GL as Current · Surrendered, held by EAA Aviation Foundation, for Univair Aircraft 415-CD and Univair Aircraft 415-C. Recorded change: Superseded by STC SA01944CH. Modify airplane to fly on unleaded gasoline, 87 minimum antiknock index, STC SE634GL approved. Snapshot dated June 30, 2026.

FAA-listed holder
EAA Aviation Foundation
Aircraft configurations
2
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

SA821GL 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: Univair Aircraft 415-CD and Univair Aircraft 415-C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Univair Aircraft 415-CDA-718Univair Aircraft 415-CA-718

Buyer checks

Confirm before sourcing

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