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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Surrendered, held by EAA Aviation Foundation, for Univair Aircraft 415-CD and Univair Aircraft 415-C. Recorded change: Superseded by STC SA01944CH.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

Superseded by STC SA01944CH. Modify airplane to fly on unleaded gasoline, 87 minimum antiknock index, STC SE634GL approved.

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

  1. 01Does it cover the exact Univair Aircraft 415-CD and Univair Aircraft 415-C 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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