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Other aircraft modifications

STC SA905GL

FAA DRS lists SA905GL as Current · Surrendered, held by EAA Aviation Foundation, for Commonwealth Aircraft 185, Commonwealth Aircraft 180, and Commonwealth Aircraft 175. Recorded change: Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index. Snapshot dated June 30, 2026.

FAA-listed holder
EAA Aviation Foundation
Aircraft configurations
3
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

Superseded by STC SA01944CH.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

SA905GL 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: Commonwealth Aircraft 185, Commonwealth Aircraft 180, and Commonwealth Aircraft 175. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Commonwealth Aircraft 185A-729Commonwealth Aircraft 180A-729Commonwealth Aircraft 175A-729

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Commonwealth Aircraft 185 and Commonwealth Aircraft 180, and 1 more aircraft configuration 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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