FAA · Supplemental Type Certificate
STC SA00413WI
Installation of McCauley Propeller D3A34C401/90DFA -2, -4, -6, -8, -10 on Models previously equipped with TCM IO-520-D engine.
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 (8)
- 3A24 The Cessna Aircraft Company · 185
- 3A24 The Cessna Aircraft Company · 185A
- 3A24 The Cessna Aircraft Company · 185B
- 3A24 The Cessna Aircraft Company · 185C
- 3A24 The Cessna Aircraft Company · 185D
- 3A24 The Cessna Aircraft Company · 185E
- 3A24 The Cessna Aircraft Company · A185E
- 3A24 The Cessna Aircraft Company · A185F
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 ↗