FAA · Supplemental Type Certificate
STC ST00830SE
Installation of winglets, wing structural reinforcement and related system changes\non Boeing 737-700IGW , 737-800, 737-700, 737-700C and 737-900. Fabrication and installation of parts must be accomplished in accordance with the FAA-approved Aviation Partners Boeing Master Drawing Lists
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 (4)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗