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Engine and powerplant

STC SR01349LA

FAA DRS lists SR01349LA as Current · Amended, held by Tamarack Helicopters, Inc., for Rotorcraft Development TH-1F, Rotorcraft Development UH-1F, and Rotorcraft Development UH-1P, and 2 more aircraft configurations. Recorded change: Installation of Honeywell (Lycoming) T53-L-13B/-13BA engine to replace General Electric T58-GE-3 engine or T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13B/-13BA engine. Snapshot dated June 30, 2026.

FAA-listed holder
Tamarack Helicopters, Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of Honeywell (Lycoming) T53-L-13B/-13BA engine to replace General Electric T58-GE-3 engine or T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13B/-13BA engine.

SR01349LA 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: Rotorcraft Development TH-1F, Rotorcraft Development UH-1F, and Rotorcraft Development UH-1P, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Rotorcraft Development TH-1FH12NMRotorcraft Development UH-1FH12NMRotorcraft Development UH-1PH12NMTamarack Helicopters TH-1FH7NETamarack Helicopters UH-1FH7NE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Rotorcraft Development TH-1F and Rotorcraft Development UH-1F, and 3 more aircraft configurations 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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