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Other aircraft modifications

STC SA1607GL

FAA DRS lists SA1607GL as Current · Reissued, held by Airwolf Filter Corp, for Air Tractor AT-501 and Air Tractor AT-401. Recorded change: Installation of Sky-Tractor Model200 Scavenge oil filter system. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of Sky-Tractor Model200 Scavenge oil filter system.

SA1607GL 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: Air Tractor AT-501 and Air Tractor AT-401. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-501A17SWAir Tractor AT-401A17SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Air Tractor AT-501 and Air Tractor AT-401 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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