FAA · Supplemental Type Certificate
STC ST03957AT
Activation of Aircell Axxess Cabin Telecommunications Router (CTR) Wireless Local Area Network (WLAN) in accordance with Constant Aviation LLC, Master Drawing List DB1107001, Revision IR, dated December 9, 2011, or later FAA approved revision.
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)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗