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Engine and powerplant

STC SA1048NW

FAA DRS lists SA1048NW as Current · Amended, held by Kown Bruce, for Cessna Aircraft 170A. Recorded change: Installation of a Franklin 6A-335-B, 6A350-C1R or -C2 engine, McCauley 2A31C21/84S-4 to -8, 2A31C21/84S-4,-6,or-8, 2A34C22/84SF-4,-6,-8,-10, 2A34C201/90DA (88 inch to 76-inch range) or Hartzell HC-C2YF-1BF/F8459-4 to -8 and associated systems. Snapshot dated June 30, 2026.

FAA-listed holder
Kown Bruce
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of a Franklin 6A-335-B, 6A350-C1R or -C2 engine, McCauley 2A31C21/84S-4 to -8, 2A31C21/84S-4,-6,or-8, 2A34C22/84SF-4,-6,-8,-10, 2A34C201/90DA (88 inch to 76-inch range) or Hartzell HC-C2YF-1BF/F8459-4 to -8 and associated systems.

SA1048NW 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 170A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 170AA-799

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 170A 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?

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