Atlas / STC / SA5656NM (PAGE 2)
FAA · Supplemental Type Certificate
STC SA5656NM (PAGE 2)
Installation of burglar alarm system.
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 (26)
- 2A4 Twin Commander Aircraft LLC · 560-F
- 2A4 Twin Commander Aircraft LLC · 680
- 2A4 Twin Commander Aircraft LLC · 680-E
- 2A4 Twin Commander Aircraft LLC · 680-F
- 2A4 Twin Commander Aircraft LLC · 680-F(P)
- 2A4 Twin Commander Aircraft LLC · 680-FL
- 2A4 Twin Commander Aircraft LLC · 680-FL(P)
- 2A4 Twin Commander Aircraft LLC · 680-T
- 2A4 Twin Commander Aircraft LLC · 680-V
- 2A4 Twin Commander Aircraft LLC · 680-W
- 2A4 Twin Commander Aircraft LLC · 685
- 2A4 Twin Commander Aircraft LLC · 690
- 2A4 Twin Commander Aircraft LLC · 690A
- 2A4 Twin Commander Aircraft LLC · 690B
- 2A4 Twin Commander Aircraft LLC · 690C
- 2A4 Twin Commander Aircraft LLC · 690D
- 2A4 Twin Commander Aircraft LLC · 695
- 2A4 Twin Commander Aircraft LLC · 695A
- 2A4 Twin Commander Aircraft LLC · 695B
- 2A4 Twin Commander Aircraft LLC · 720
- A12SW Twin Commander Aircraft LLC · 700
- A-767 Univair Aircraft Corporation · 108
- A-767 Univair Aircraft Corporation · 108-1
- A-767 Univair Aircraft Corporation · 108-2
- A-767 Univair Aircraft Corporation · 108-3
- A-767 Univair Aircraft Corporation · 108-5
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗