FAA · Supplemental Type Certificate
STC SR01196LA
Installation of Honeywell (Lycoming) T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13/13B/-13BA engine. Responsible ACO is Los Angeles, NM-L.
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (9)
- R00007DE Arrow Falcon Exporters Inc. · UH-1H
- H15NM Hagglund Helicopters LLC · UH-1H
- R00004RC JJASPP Engineering Services LLC · UH-1H
- R00005SE Northwest Rotorcraft LLC · UH-1H
- H7SO OAS Parts LLC · UH-1H
- H3SO Richards Heavylift Helo Inc. · UH-1H
- H13WE Rotorcraft Development Corporation · UH-1H
- H6SO Southwest Florida Aviation International · UH-1H
- R00010SE Tamarack Helicopters Inc. · UH-1H
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗