FAA · Supplemental Type Certificate
STC SA09352AC-D
Installation of S-TEC System 20/30 single and two-axis automatic flight guidance systems, Model ST-810-20/30.
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 (16)
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MXT-7-180A
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-7-260C
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MX-7-180C
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-7-235C
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-7-235A
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-6-235
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-7-235B
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MX-7-180B
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MX-7-180A
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MT-7-235
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MXT-7-180
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MX-7-180
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-7-235
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-5-235C
- 3A23 Maule Aerospace Technology Inc. · Bee Dee M-5-210C
- 3A23 Maule Aerospace Technology Inc. · Bee Dee MX-7-235
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 ↗