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Atlas / STC / SA00800SE

FAA · Supplemental Type Certificate

STC SA00800SE

Installation of modified main landing gear assembly on the Cessna 180/185 series aircraft manufactured in accordance with XP Modifications, Inc. Drawings PP0741001, Revision - dated March 30, 2000, and XP013117, Revision-, dated February 8, 2000, or later FAA approved revision.

Historical Issued Aircraft Single-Engine Rev 05/05/2000 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

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