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Other aircraft modifications

STC SA4268SW

FAA DRS lists SA4268SW as Current · Reissued, held by Schafer Aircraft Modifications Inc., for Piper Aircraft PA-31P. Recorded change: Installation of Pratt & Whitney PT6A-135 engines according to Drawing List 50,000L dated 12/11/79, revised 1/23/81, or later FAA approved revision. Snapshot dated June 30, 2026.

FAA-listed holder
Schafer Aircraft Modifications Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Pratt & Whitney PT6A-135 engines according to Drawing List 50,000L dated 12/11/79, revised 1/23/81, or later FAA approved revision.

SA4268SW 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: Piper Aircraft PA-31P. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft PA-31PA8EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Piper Aircraft PA-31P model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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