STC SA02175AK

Fabrication and installation of Airframes, Inc., 3-inch extended Main Landing Gear in accordance with Airframes, Inc., Master Data List, Document No. MDL-AI-01-01, dated May 14, 2001, and USAF T.O. 1L-21A-2, Sections 2-81 through 2-88, Main Landing Gear, revised October 14, 1955, or later FAA approved revisions.

Historical Reissued Aircraft Single-Engine Rev 01/16/2008 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.

Applicable aircraft (16)

Certification basis — 14 CFR

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47

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