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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.

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

Recorded modification

What the FAA record covers

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

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

FAA record reference

STC number
SA722GL
Product
Aircraft · Single-Engine
Country
United States
Application date
April 18, 1983
Revision date
May 1, 2018
CFR references
Part 21