FAA · Supplemental Type Certificate
STC SE02261CH
Increase engine displacement from 470 cubic inches to 520 cubic inches in the Teledyne Continental Motors IO-470-D, -E, -F, -H, -L, -M, -N, -R, -S, -U, -V, -VO engines models with a flat rating of 260 HP.
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 (13)
- 3E1 Continental Motors · IO-470-D
- 3E1 Continental Motors · IO-470-E
- 3E1 Continental Motors · IO-470-F
- 3E1 Continental Motors · IO-470-G
- 3E1 Continental Motors · IO-470-H
- 3E1 Continental Motors · IO-470-L
- 3E1 Continental Motors · IO-470-M
- 3E1 Continental Motors · IO-470-N
- 3E1 Continental Motors · IO-470-R
- 3E1 Continental Motors · IO-470-S
- 3E1 Continental Motors · IO-470-U
- 3E1 Continental Motors · IO-470-V
- 3E1 Continental Motors · IO-470-VO
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗