FAA · Supplemental Type Certificate
STC ST02050NY
Installation of U.S. Customs Special Mission Modifications in accordance with Field Aviation East Ltd. (FAEL) Master Drawing and Data List, DDL-1110, Rev. N, dated November 24, 2004, for model DHC-8-202; and FAEL Master Drawing and Data List, DDL-1188, Rev. E, dated September 16, 2009 for the model DHC-8-315; or later Transport Canada approved revisions.
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)
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗