FAA · Supplemental Type Certificate
STC SA1034NE
Installation of Dual Bendix/King Model MST-67A Mode S transponders, Dual Bendix/King Model IVA-81A vertical speed indicators, and single Bendix/King Model CAS-81 traffic alert and collision avoidance 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 (1)
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 ↗