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Engine and powerplant

STC SA8645SW

FAA DRS lists SA8645SW as Current · Reissued, held by Douglas Mueller, for Cessna Aircraft 170B, Cessna Aircraft 170A, and Cessna Aircraft 170. Recorded change: Installation of extended exhaust pipes. Snapshot dated June 30, 2026.

FAA-listed holder
Douglas Mueller
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of extended exhaust pipes.

SA8645SW 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: Cessna Aircraft 170B, Cessna Aircraft 170A, and Cessna Aircraft 170. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 170B and Cessna Aircraft 170A, and 1 more aircraft configuration 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?