FAA · Supplemental Type Certificate
STC SR01585NY
Installation of Carson Helicopters, Inc. composite main rotor blades, P/N 163-101-1.
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 (8)
- 1H15 Sikorsky Aircraft Corporation · S-61L
- 1H15 Sikorsky Aircraft Corporation · S-61N
- 1H15 Sikorsky Aircraft Corporation · S-61NM
- 1H15 Sikorsky Aircraft Corporation · S-61R
- H2EA Sikorsky Aircraft Corporation · S-61A
- H2EA Sikorsky Aircraft Corporation · S-61D
- H2EA Sikorsky Aircraft Corporation · S-61E
- H2EA Sikorsky Aircraft Corporation · S-61V
Certification basis — 14 CFR
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 ↗