FAA · Supplemental Type Certificate
STC SA1705WE
Installation of twelve (12) gallon auxiliary fuel tank in each wing, inboard of tip
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 (11)
- 5A6 The Cessna Aircraft Company · 180
- 5A6 The Cessna Aircraft Company · 180A
- 5A6 The Cessna Aircraft Company · 180B
- 5A6 The Cessna Aircraft Company · 180C
- 5A6 The Cessna Aircraft Company · 180D
- 5A6 The Cessna Aircraft Company · 180E
- 5A6 The Cessna Aircraft Company · 180F
- 5A6 The Cessna Aircraft Company · 180G
- 5A6 The Cessna Aircraft Company · 180H
- 5A6 The Cessna Aircraft Company · 180J
- 5A6 The Cessna Aircraft Company · 180K
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗