STC SH4729NM

Installation of the Soloy Performance improvement installation on the Allison 250-C20R/2 or R/4 powered Bell 206B Jet Ranger III.

Current Reissued Aircraft Rotorcraft Rev 08/26/2020 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)

H2SW Bell Helicopter Textron Canada Limited · 206B

Certification basis — 14 CFR

Part 21
Part 27

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 ↗