FAA · Supplemental Type Certificate
STC SA4378WP
Installation of hydraulic landing gear retraction system.
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 (13)
- A24CE Beechcraft Corporation · 200
- A24CE Beechcraft Corporation · 200C
- A24CE Beechcraft Corporation · 200CT
- A24CE Beechcraft Corporation · 200T
- A24CE Beechcraft Corporation · A100-1 (U-21J)
- A24CE Beechcraft Corporation · A200 (C-12A)
- A24CE Beechcraft Corporation · A200 (C-12C)
- A24CE Beechcraft Corporation · A200C (UC-12B)
- A24CE Beechcraft Corporation · A200CT (C-12D)
- A24CE Beechcraft Corporation · B200
- A24CE Beechcraft Corporation · B200C
- A24CE Beechcraft Corporation · B200CT
- A24CE Beechcraft Corporation · B200T
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗