STC SR03979AT

Deactivation of the Fly By Wire Elevator in a Bell 2 l 4ST Rotorcraft and associated hardware

Current Reissued Aircraft Rotorcraft Rev 07/23/2019 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 (1)

H10SW Bell Helicopter Textron Inc. · 214ST

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.47
§ 21.120

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