STC ST00714CH

Installation of a Lockheed Martin Water Vapor Sensing System (WVSS). (757-200 PF SERIES)

Current Surrendered Aircraft Large Airplane Rev 12/01/2009 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 (3)

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

Certification basis — 14 CFR

Part 21

Specific sections

§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120

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