STC SL211RM

Modification of suspension system and skirt of Raven S-55A hot air balloon envelope to achieve compatibility with Barnes Balloon Works gondola Models 4.0 and 4.5 and Model T3-017 burner system.

Current Issued Aircraft Balloon Rev 02/18/1981 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)

A15CE Aerostar International · S-55A

Certification basis — 14 CFR

Part 21

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120

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