STC SA4-1637
FAA DRS lists SA4-1637 as Current · Reissued, held by TALCO Aviation, for New Piper Aircraft PA-23 and New Piper Aircraft PA-23-160. Recorded change: Installation of Turbocharged Lycoming 0-320-A or B Series engines. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Turbocharged Lycoming 0-320-A or B Series engines.
SA4-1637 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: New Piper Aircraft PA-23 and New Piper Aircraft PA-23-160. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact New Piper Aircraft PA-23 and New Piper Aircraft PA-23-160 model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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FAA holder: Kohlman Systems Research Inc.