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Other aircraft modifications

STC SA01751CH

FAA DRS lists SA01751CH as Current · Reissued, held by Hartzell Engine Technologies, LLC, for Piper Aircraft PA-31-300, Piper Aircraft PA-31-325, and Piper Aircraft PA-31-350, and 1 more aircraft configuration. Recorded change: Installation of C&D Associates auxiliary rear combustion heater Model CD35K heater kit, P/N CD12031K9. Snapshot dated June 30, 2026.

FAA-listed holder
Hartzell Engine Technologies, LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of C&D Associates auxiliary rear combustion heater Model CD35K heater kit, P/N CD12031K9.

SA01751CH 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-31-300, Piper Aircraft PA-31-325, and Piper Aircraft PA-31-350, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft PA-31-300A20SOPiper Aircraft PA-31-325A20SOPiper Aircraft PA-31-350A20SOPiper Aircraft PA-31A20SO

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Piper Aircraft PA-31-300 and Piper Aircraft PA-31-325, and 2 more aircraft configurations 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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