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Other aircraft modifications

STC SA663GL

FAA DRS lists SA663GL as Current · Reissued, held by Airwolf Filter Corp, for Ag Cat G-164A and Ag Cat G-164B. Recorded change: To install a scavenge oil filter system in G-164A and G-164B aircraft with P&W R985 or R1340 engines. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

To install a scavenge oil filter system in G-164A and G-164B aircraft with P&W R985 or R1340 engines.

SA663GL 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: Ag Cat G-164A and Ag Cat G-164B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Ag Cat G-164A and Ag Cat G-164B 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?