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Engine and powerplant

STC SR00073DE

FAA DRS lists SR00073DE as Current · Reissued, held by Midwest Aerospace TC LLC, for Garlick Helicopters UH-1B, Hawkins & Powers Aviation UH-1B, and International Helicopters UH-1B, and 2 more aircraft configurations. Recorded change: Replacement of Lycoming T53-L-13 series powerplant. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replacement of Lycoming T53-L-13 series powerplant.

SR00073DE 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: Garlick Helicopters UH-1B, Hawkins & Powers Aviation UH-1B, and International Helicopters UH-1B, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Garlick Helicopters UH-1B and Hawkins & Powers Aviation UH-1B, 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?