FAA · Supplemental Type Certificate
STC SA02095AK
Installation of hourmeter airspeed switch.
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 (61)
- 3A10 The Cessna Aircraft Company · 310H
- 3A10 The Cessna Aircraft Company · T310P
- 3A10 The Cessna Aircraft Company · 310P
- 3A10 The Cessna Aircraft Company · 310L
- 3A10 The Cessna Aircraft Company · 310Q
- 3A10 The Cessna Aircraft Company · 310I
- 3A10 The Cessna Aircraft Company · 310N
- 3A10 The Cessna Aircraft Company · 310G
- 3A10 The Cessna Aircraft Company · 310F
- 3A10 The Cessna Aircraft Company · 310D
- 3A10 The Cessna Aircraft Company · 310C
- 3A10 The Cessna Aircraft Company · 310B
- 3A10 The Cessna Aircraft Company · 310
- 3A10 The Cessna Aircraft Company · 310J
- 3A10 The Cessna Aircraft Company · 310K
- 3A10 The Cessna Aircraft Company · T310Q
- 3A10 The Cessna Aircraft Company · T310R
- 3A10 The Cessna Aircraft Company · 310R
- 3A25 The Cessna Aircraft Company · 320
- 3A25 The Cessna Aircraft Company · 320B
- 3A25 The Cessna Aircraft Company · 335
- 3A25 The Cessna Aircraft Company · 320-1
- 3A25 The Cessna Aircraft Company · 320F
- 3A25 The Cessna Aircraft Company · 320E
- 3A25 The Cessna Aircraft Company · 320C
- 3A25 The Cessna Aircraft Company · 320A
- 3A25 The Cessna Aircraft Company · 320D
- A-722 The Cessna Aircraft Company · T-50 (Navy JRC-1)
- A-722 The Cessna Aircraft Company · T-50 (Army UC-78 Series)
- A-722 The Cessna Aircraft Company · T-50 (Army AT-17)
- A25CE The Cessna Aircraft Company · 404
- A25CE The Cessna Aircraft Company · 406
- A2CE The Cessna Aircraft Company · 336
- A34CE The Cessna Aircraft Company · T303
- A6CE The Cessna Aircraft Company · 337G
- A6CE The Cessna Aircraft Company · T337F
- A6CE The Cessna Aircraft Company · 337F
- A6CE The Cessna Aircraft Company · M337B (USAF 02A)
- A6CE The Cessna Aircraft Company · T337D
- A6CE The Cessna Aircraft Company · 337D
- A6CE The Cessna Aircraft Company · T337C
- A6CE The Cessna Aircraft Company · T337E
- A6CE The Cessna Aircraft Company · 337E
- A6CE The Cessna Aircraft Company · 337C
- A6CE The Cessna Aircraft Company · T337B
- A6CE The Cessna Aircraft Company · T337G
- A6CE The Cessna Aircraft Company · 337A (USAF 02B)
- A6CE The Cessna Aircraft Company · 337B
- A6CE The Cessna Aircraft Company · 337
- A6CE The Cessna Aircraft Company · 337H
+ 11 more aircraft
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 ↗