STC SH709AL

Installation of Airglas ski Model L2700AS350 skis.

Current Amended Aircraft Rotorcraft Rev 11/13/2000 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 (6)

H9EU Eurocopter France · AS-350B
H9EU Eurocopter France · AS-350B1
H9EU Eurocopter France · AS-350B2
H9EU Eurocopter France · AS-350B3
H9EU Eurocopter France · AS-350BA
H9EU Eurocopter France · AS-350D

Certification basis — 14 CFR

Part 21
Part 27

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.29
§ 21.47

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