FAA · Supplemental Type Certificate
STC ST01609CH
Installation of a Smiths Industries combined voice and flight data recorder, model 3257, and optional Smiths Industries Recorder Control Unit, model 3874.
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 (22)
- A35EU Airbus · A310 322
- A35EU Airbus · A300 B4-600R Series
- A35EU Airbus · A300 B4-600 Series
- A35EU Airbus · A310 221
- A35EU Airbus · A300 F4-600R Series
- A35EU Airbus · A310 203
- A35EU Airbus · A310 222
- A35EU Airbus · A310 324
- A35EU Airbus · A310 304
- A35EU Airbus · A300 F4-605R
- A35EU Airbus · A300 B4-620
- A35EU Airbus · A300 B4-603
- A35EU Airbus · A310 Series
- A35EU Airbus · A310 200 Series
- A35EU Airbus · A300 B4-622R
- A35EU Airbus · A300 B4-601
- A35EU Airbus · A310 325
- A35EU Airbus · A300 F4-622R
- A35EU Airbus · A310 204
- A35EU Airbus · A310 325 Series
- A35EU Airbus · A310 300 Series
- A35EU Airbus · A300 B4-605R
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 ↗