FAA · Supplemental Type Certificate
STC SA02072AK
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 (175)
- 3A11 The Cessna Aircraft Company · 321 (Navy OE-2)
- 3A12 The Cessna Aircraft Company · 172R
- 3A12 The Cessna Aircraft Company · 172N
- 3A12 The Cessna Aircraft Company · 172F (USAF T-41A)
- 3A12 The Cessna Aircraft Company · 172
- 3A12 The Cessna Aircraft Company · 172A
- 3A12 The Cessna Aircraft Company · 172B
- 3A12 The Cessna Aircraft Company · 172C
- 3A12 The Cessna Aircraft Company · 172Q
- 3A12 The Cessna Aircraft Company · 172E
- 3A12 The Cessna Aircraft Company · 172P
- 3A12 The Cessna Aircraft Company · 172G
- 3A12 The Cessna Aircraft Company · 172H (USAF T-41A)
- 3A12 The Cessna Aircraft Company · 172I
- 3A12 The Cessna Aircraft Company · 172K
- 3A12 The Cessna Aircraft Company · 172L
- 3A12 The Cessna Aircraft Company · 172M
- 3A12 The Cessna Aircraft Company · 172D
- 3A13 The Cessna Aircraft Company · 182J
- 3A13 The Cessna Aircraft Company · 182
- 3A13 The Cessna Aircraft Company · 182B
- 3A13 The Cessna Aircraft Company · 182D
- 3A13 The Cessna Aircraft Company · 182E
- 3A13 The Cessna Aircraft Company · 182F
- 3A13 The Cessna Aircraft Company · R182
- 3A13 The Cessna Aircraft Company · 182H
- 3A13 The Cessna Aircraft Company · 182K
- 3A13 The Cessna Aircraft Company · 182L
- 3A13 The Cessna Aircraft Company · 182M
- 3A13 The Cessna Aircraft Company · 182N
- 3A13 The Cessna Aircraft Company · 182P
- 3A13 The Cessna Aircraft Company · 182Q
- 3A13 The Cessna Aircraft Company · 182R
- 3A13 The Cessna Aircraft Company · 182G
- 3A13 The Cessna Aircraft Company · 182C
- 3A13 The Cessna Aircraft Company · T182
- 3A13 The Cessna Aircraft Company · 182A
- 3A13 The Cessna Aircraft Company · TR182
- 3A14 The Cessna Aircraft Company · 305B (Military T0-1D; 0-1D; 0-1F)
- 3A14 The Cessna Aircraft Company · 305E
- 3A17 The Cessna Aircraft Company · 175C
- 3A17 The Cessna Aircraft Company · 175B
- 3A17 The Cessna Aircraft Company · R172E(USAF T-41C)
- 3A17 The Cessna Aircraft Company · 172RG
- 3A17 The Cessna Aircraft Company · R172E (USAF T-41B)
- 3A17 The Cessna Aircraft Company · R172E (USAF T-41D)
- 3A17 The Cessna Aircraft Company · R172F (USAF T-41D)
- 3A17 The Cessna Aircraft Company · R172G (USAF T-41C)
- 3A17 The Cessna Aircraft Company · R172H (USAF T-41D)
- 3A17 The Cessna Aircraft Company · R172J
+ 125 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 ↗