STC SR04501CH

The certification of various configurations of cockpit side windows, in accordance with CHI Aviation drawing list CHI-201901-110, Revision A, or later FAA approved revisions.

Historical Reissued Aircraft Rev 02/05/2021 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 (3)

1H15 Sikorsky Aircraft Corporation · S-61L
1H15 Sikorsky Aircraft Corporation · S-61N
1H15 Sikorsky Aircraft Corporation · S-61NM

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.47
§ 21.55
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120

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