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Atlas / STC / SA01717WI

FAA · Supplemental Type Certificate

STC SA01717WI

Installation of an Aircell High Speed Internet System (AHSI) with Wireless Local Area Network (WLAN) and Axxess II Iridium Phone System in Cessna 525A airplanes and activation of Wireless Local Area Network on Cessna 525B airplanes.

Current Reissued Aircraft Small Airplane Rev 08/09/2013 View PDF on drs.faa.gov ↗

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.

Certification basis — 14 CFR

Specific sections

  • Sec. 111
  • Sec. 113
  • Sec. 115
  • Sec. 117
  • Sec. 119
  • Sec. 120
  • § 21.47
  • Sec. 23.251
  • Sec. 23.301
  • Sec. 23.1308

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗