STC SA1955SO

Installation of passenger compart- ment with 15 seats and other necessary accommodations. (DC-8-62 S/N 45918) (DC-8-73 s/n 46095)

Current Issued Aircraft Large Multi-Engine Rev 03/13/1989 View PDF on drs.faa.gov ↗

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)

4A25 McDonnell Douglas Corporation · DC-8-73
4A25 McDonnell Douglas Corporation · DC-8-62

Certification basis — 14 CFR

Part 21

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 ↗