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Engine and powerplant

STC SA722GL

FAA DRS lists SA722GL as Current · Reissued, held by Airwolf Filter Corp, for Air Tractor AT-301. Recorded change: Installation of Model 200 scavenge oil filter system in Air Tractor AT-301 aircraft with Pratt & Whitney R-1340 engine. Snapshot dated June 30, 2026.

FAA-listed holder
Airwolf Filter Corp
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Model 200 scavenge oil filter system in Air Tractor AT-301 aircraft with Pratt & Whitney R-1340 engine.

SA722GL 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-301. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-301A9SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Air Tractor AT-301 model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?

Related engine and powerplant STCs

SA03274NYEngine and powerplant

This modification consists of replacing the existing engine on Lake Aircraft LA-4-200 with a Lycoming IO-390-A1A6 and installing one of the 3 following propellers: 1. MT Propeller MTV-12-B/LD188-119a, to be installed with either MT Propeller spinner assembly P-1005-1 or P-1005. 2. MT Propeller (reversing) MTV-12-B-C-R(M)/CRLD188-119a, to be installed with MT Propeller P-480 Series Reverse Governor and either MT Propeller spinner assembly P-1005-1 or P-1005. 3. Hartzell Propeller BHC-E2YR-1BLFP/FL7894-4. 4. Installation, operation, and maintenance of Lycoming IO-390-A1A6 engine and propeller configurations.

FAA holder: Lake Central Air Services

View record