FAA · Supplemental Type Certificate
STC ST03776NY
Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II)
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 (168)
- A43EU Airbus Defense and Space S.A. · C-212-CB
- A43EU Airbus Defense and Space S.A. · C-212-CC
- A43EU Airbus Defense and Space S.A. · C-212-CD
- A43EU Airbus Defense and Space S.A. · C-212-CE
- A43EU Airbus Defense and Space S.A. · C-212-CF
- A43EU Airbus Defense and Space S.A. · C-212-DE
- A43EU Airbus Defense and Space S.A. · C-212-DF
- A21NM Airbus Defense and Space S.A. · C-295
- A21NM Airbus Defense and Space S.A. · CN-235-100
- A21NM Airbus Defense and Space S.A. · CN-235-200
- A21NM Airbus Defense and Space S.A. · CN-235-300
- A21NM Airbus Defense and Space S.A. · CN-235
- A53EU ATR - GIE Avions de Transport Régional · ATR42-200
- A53EU ATR - GIE Avions de Transport Régional · ATR42-300
- A53EU ATR - GIE Avions de Transport Régional · ATR42-320
- A53EU ATR - GIE Avions de Transport Régional · ATR42-500
- A53EU ATR - GIE Avions de Transport Régional · ATR72-101
- A53EU ATR - GIE Avions de Transport Régional · ATR72-102
- A53EU ATR - GIE Avions de Transport Régional · ATR72-201
- A53EU ATR - GIE Avions de Transport Régional · ATR72-202
- A53EU ATR - GIE Avions de Transport Régional · ATR72-211
- A53EU ATR - GIE Avions de Transport Régional · ATR72-212
- A53EU ATR - GIE Avions de Transport Régional · ATR72-212A
- A16SW Beechcraft Corporation · 400
- T00013WI Beechcraft Corporation · 4000
- A16SW Beechcraft Corporation · 400A
- A16SW Beechcraft Corporation · 400T
- A3EU Beechcraft Corporation · BAe.125 Series 1000A
- A3EU Beechcraft Corporation · BAe.125 Series 1000B
- A3EU Beechcraft Corporation · BAe.125 Series 800A
- A3EU Beechcraft Corporation · BAe.125 Series 800B
- A3EU Beechcraft Corporation · BH.125 Series 400A
- A3EU Beechcraft Corporation · BH.125 Series 600A
- A3EU Beechcraft Corporation · DH.125 Series 400A
- A3EU Beechcraft Corporation · Hawker 1000
- A3EU Beechcraft Corporation · Hawker 750
- A3EU Beechcraft Corporation · Hawker 800
- A3EU Beechcraft Corporation · Hawker800XP
- A3EU Beechcraft Corporation · Hawker 850XP
- A3EU Beechcraft Corporation · Hawker 900XP
- A3EU Beechcraft Corporation · HS.125 Series 400A
- A3EU Beechcraft Corporation · HS.125 Series 400B
- A3EU Beechcraft Corporation · HS.125 Series 600A
- A3EU Beechcraft Corporation · HS.125 Series 600B
- A3EU Beechcraft Corporation · HS.125 Series 700A
- A3EU Beechcraft Corporation · HS.125 Series 700B
- A16SW Beechcraft Corporation · MU-300-10
- A14SW Beechcraft Corporation · MU-300
- A21EA Bombardier Inc. · CL-600-1A11 (CL-600)
- A21EA Bombardier Inc. · CL-600-2A12 (CL-601)
+ 118 more aircraft
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗