STC ST01518SE

Modification of the wing structure, installation of an adapter rib on each wing that provides the structural interface between the modified wing end rib and the type-certificated wingtip, and installation of a deactivated speedbrake load alleviation system (LAS).

Historical Reissued Aircraft Large Multi-Engine Rev 12/23/2009 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 (2)

A2NM The Boeing Company · 757-200 Series
A2NM The Boeing Company · 757-300 Series

Certification basis — 14 CFR

Part 21
Part 25
Part 26

Specific sections

§ 25.1
§ 25.2
§ 26.1
§ 26.3
§ 21.19
§ 21.47
§ 25.31
§ 26.11
§ 21.101
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120
§ 25.101
§ 25.107
§ 25.115
§ 25.143
§ 25.331
§ 25.571
Sec. 25.727
§ 25.751
§ 25.981

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