FAA · Supplemental Type Certificate
STC SA01935LA
Installation of external aft body strakes.
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 (31)
- A7CE Cessna Aircraft Company · 401
- A7CE Cessna Aircraft Company · 401A
- A7CE Cessna Aircraft Company · 401B
- A7CE Cessna Aircraft Company · 402
- A7CE Cessna Aircraft Company · 402A
- A7CE Cessna Aircraft Company · 402B
- A7CE Cessna Aircraft Company · 402C
- A7CE Cessna Aircraft Company · 411
- A7CE Cessna Aircraft Company · 411A
- A7CE Cessna Aircraft Company · 414
- A7CE Cessna Aircraft Company · 414A
- A7CE Cessna Aircraft Company · 421
- A7CE Cessna Aircraft Company · 421A
- A7CE Cessna Aircraft Company · 421B
- A7CE Cessna Aircraft Company · 421C
- A7CE Cessna Aircraft Company · 425
- A20SO Piper Aircraft Inc. · PA-31-300
- A20SO Piper Aircraft Inc. · PA-31-325
- A20SO Piper Aircraft Inc. · PA-31-350
- A20SO Piper Aircraft Inc. · PA-31
- A8EA Piper Aircraft Inc. · PA-31P
- A8EA Piper Aircraft Inc. · PA-31T
- A8EA Piper Aircraft Inc. · PA-31T1
- A8EA Piper Aircraft Inc. · PA-31T2
- A23SO Piper Aircraft Inc. · PA-42-1000
- A23SO Piper Aircraft Inc. · PA-42-720
- A23SO Piper Aircraft Inc. · PA-42
- 3A25 Textron Aviation Inc. · 340
- 3A25 Textron Aviation Inc. · 340A
- A25CE Textron Aviation Inc. · 404
- A28CE Textron Aviation Inc. · 441
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗