FAA · Supplemental Type Certificate
STC SA844NE
Installation of Goodrich P/N 6885 deicer boot and P/N 6941 wire harness. Limited to those aircraft equipped with Dowty Rotol Deicer Boot P/N 660709275 and Goodrich Wire Harness P/N 4E2369-2 on Dowty Rotol R.321/4 propellers.
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 (1)
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗