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Other aircraft modifications

STC SA1057GL

FAA DRS lists SA1057GL as Current · Surrendered, held by Cooper Aviation Supply Company, Inc., for American Champion Aircraft Corp S11BC, American Champion Aircraft Corp 11BC, and American Champion Aircraft Corp 11AC, and 1 more aircraft configuration. Recorded change: Surrendered and incorporated into STC SA00478CH. Snapshot dated June 30, 2026.

FAA-listed holder
Cooper Aviation Supply Company, Inc.
Aircraft configurations
4
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

Surrendered and incorporated into STC SA00478CH.

SA1057GL 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: American Champion Aircraft Corp S11BC, American Champion Aircraft Corp 11BC, and American Champion Aircraft Corp 11AC, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

American Champion Aircraft Corp S11BCA-761American Champion Aircraft Corp 11BCA-761American Champion Aircraft Corp 11ACA-761American Champion Aircraft Corp S11ACA-761

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact American Champion Aircraft Corp S11BC and American Champion Aircraft Corp 11BC, and 2 more aircraft configurations 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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