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Engine and powerplant

STC SA09189AC

FAA DRS lists SA09189AC as Current · Reissued, held by Riddell Flying Service, Inc., for Air Tractor AT-501 and Air Tractor AT-502. Recorded change: Installation of a Walter M601E-11 turboprop engine and a Avia Hamilton Standard VJ8.510AG propeller . Snapshot dated June 30, 2026.

FAA-listed holder
Riddell Flying Service, Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Walter M601E-11 turboprop engine and a Avia Hamilton Standard VJ8.510AG propeller .

SA09189AC 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-502. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Air Tractor AT-501A17SWAir Tractor AT-502A17SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Air Tractor AT-501 and Air Tractor AT-502 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

SA493CHEngine and powerplant

Increase in maximum gross weight from 3600 lbs. to 3700 lbs. with installation of Continental I0-550-B engine in accordance with D'Shannon Products Installation Instruction 71-20-00, dated 10/20/88, or later FAA-approved revision; and installation of Cooling Air Baffles in accordance with D'Shannon Products Installation Instruction DSP1M95-2, dated 6/1/95, FAA-approved 6/21/95 or later FAA Approved revisions.

FAA holder: D'Shannon Products Ltd.

View record