STC SH4629SW

Installation of Freon air conditioning system in accordance with Drawing List Report No. DL-7, Revision A, dated March 8, 1982; or Drawing List DL-7-1, dated July 7, 1982; or optional forward evaporator in accordance with Drawing List Report No. DL-7-3, Revision A, dated March 1, 1983; or later FAA Approved Revisions.

Current Reissued Aircraft Rotorcraft Rev 06/20/2003 View PDF on drs.faa.gov ↗

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 (5)

Certification basis — 14 CFR

Part 21

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗