Part #:

Model: AC32

Thommen - Digital Air Data Computer
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Part Number :
Logo Thommen Aircraft Equipment
  • Digital Air Data Computer
  • Designed for 28VDC with low power consumption of less than 7 Watts
  • Lightweight at 2.2 lbs
  • Measures barometric altitude, airspeed and temperature in atmosphere with integrated vibrating cylinder pressure sensors for both static and pitot ports
  • Exceeds FAA TSO and accuracy requirements
  • Communicates via its ARINC429 interface
  • Two ARINC 429 transmit channels and two receive channels
  • Meets requirements for multiple platforms and works in conjunction TAWS, ACAS/TCAS, EGPWS, or FMS systems
  • Supports the Air Data for enhanced safety infrastructure capabilities for Transponders and an ICAO encoded altitude output is available as an option
  • Additional versions available: AC32 RVSM, AC32 RVSM with AOA Input, AC32 with Supersonic Capability (optional RVSM and/or AOA)
features: Vibrating Cylinder Pressure Sensors
Continuous Built-in-Test
BIT Failure Memory
RS232 Maintenance Interface
ARINC 429 HIGH or LOW Speed
Signal inputs:

Primary Power 28 VDC (< 7 Watts)
Emergency Power 28VDC
ARINC 429 Serial Data Bus, 2 Receive Channels
TAT Probe 500 Ohm (ARINC 706-4)  (Optional 100 Ohm, EN 60751)

Signal outputs: Encoded Altitude ICAO (Gilham/Annex 10)
Warning Flag Valid Output Signal 28 VDC
ARINC 429 Serial Data Bus, 2 Transmit Channels
altitude scale error: 1,000 to 20,000 feet ±10 feet
20,000 to 30,000 feet ±20 feet
30,000 to 40,000 feet ±30 feet
40,000 to 53,000 feet ±50 feet
qualifications: FAA TSO-C106, FAA TSO-C88a, RTCA/DO-178B Level A
RTCA/DO-160D Env. Cat. D2]BBB [(TB1)(TR)] / [(SL)(SM)]/[(UG)] XWFDFSZZAZZ [YY]M [A3J33]XAA
temperature: Operating: -55°C to 70°C
Storage: -55°C to 85°C



- Digital Air Data Computer w/ RVSM
Price Condition Status
- Digital Air Data Computer w/ Angle of Attack
Price Condition Status