FAA · Supplemental Type Certificate
STC SA239SW
Installation of Alcor exhaust gas temperature (EGT) indicator kits
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 (18)
- AR-32 Acme Aircraft Company · F8F-2
- 4A16 Aerocar Incorporated · I
- A11IN Aerodifusion S.L. · D-1190S
- 7A11 Aeromere S.A. · Falco F.8.L.
- A19EU Aeronautica Macchi S.p.A. & Aerfer-Industrie Aerospaziali Meridionali S.p.A. · AM-3
- 7A12 Aeronautica Macchi S.p.A. · AL 60
- 7A12 Aeronautica Macchi S.p.A. · AL 60-B
- 7A12 Aeronautica Macchi S.p.A. · AL 60-C5
- 7A12 Aeronautica Macchi S.p.A. · AL 60-F5
- A-351 National Aeronca Association · C-2 Scout
- A-351 National Aeronca Association · C-2 Standard
- A-351 National Aeronca Association · PC-2
- A-396 National Aeronca Association · C-3
- A-396 National Aeronca Association · PC-3
- A-596 National Aeronca Association · LA
- A-596 National Aeronca Association · LB
- A-614 National Aeronca Association · LC
- A-614 National Aeronca Association · LCS
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗