FAA · Supplemental Type Certificate
STC SB918GL
Addition of a refueling adapter to the main fuel line.
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 (17)
- A14SO Conn Sidney · Firefly 10
- A14SO Conn Sidney · Firefly 11
- A14SO Conn Sidney · Firefly 11B
- A14SO Conn Sidney · Firefly 5
- A14SO Conn Sidney · Firefly 6
- A14SO Conn Sidney · Firefly 6B
- A14SO Conn Sidney · Firefly 6B-15
- A14SO Conn Sidney · Firefly 7
- A14SO Conn Sidney · Firefly 7-15
- A14SO Conn Sidney · Firefly 7B
- A14SO Conn Sidney · Firefly 7B-15
- A14SO Conn Sidney · Firefly 8
- A14SO Conn Sidney · Firefly 8-24
- A14SO Conn Sidney · Firefly 8B
- A14SO Conn Sidney · Firefly 8B-15
- A14SO Conn Sidney · Firefly 9
- A14SO Conn Sidney · Firefly 9B-15
Certification basis — 14 CFR
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 ↗