FAA · Supplemental Type Certificate
STC SR01397LA
Installation of Honeywell (Lycoming) LTS 101-750C-1 engines to replace Honeywell (Lycoming) LTS 101-650C-2, -3, -3A engines in accordance with CALSTAR Master Drawing List No. CAL 101, Revision A, dated September 10, 2002, or later FAA approved revisions. FAA Approved Rotorcraft Flight Manual Supplement No. CAL 104, Revision N/C, dated October 25, 2002, or later FAA approved revision is required with this installation. (See Page 3)
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 (1)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗