FAA · Supplemental Type Certificate
STC ST03336AT
Installation of LRU Avionics Protective Covers
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 (7)
- A21EA Bombardier Inc. · CL-600-2B19 (Regional Jet Series 100)
- A21EA Bombardier Inc. · CL-600-2B19 (Regional Jet Series 440)
- A21EA Bombardier Inc. · CL-600-2C10 (Regional Jet Series 700)
- A21EA Bombardier Inc. · CL-600-2C10 (Regional Jet Series 701)
- A21EA Bombardier Inc. · CL-600-2C10 (Regional Jet Series 702)
- A21EA Bombardier Inc. · CL-600-2D15 (Regional Jet Series 705)
- A21EA Bombardier Inc. · CL-600-2D24 (Regional Jet Series 900)
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗