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MAINTENANCE MANUAL
CAS-100 COLLISION AVOIDANCE SYSTEM
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Table 12. IVA-81D TA/VSI Leading Particulars
Characteristic
Description
Form Factor
3ATI x 7.5 inches deep
Components
Solid state, no mechanical parts
Maximum Weight
3.0 lb (1.4 kg)
Overall Dimensions
See Outline Drawing, Figure
2013.
Mounting
Front, panel mount; Marmon clamp or equivalent
Software Certification
D0-178B, Level B
Power Requirements
Primary
115 V, 400 Hz or 28 V dc primary power. Maximum power
dissipation of 40 Watts (short term at cold temperature), at
full brightness including display warm-up at low temperature.
Lighting
5 V ac or dc, or 28 V dc
Reference
±12 V dc if altitude rate source input is ARINC 575 analog
26 V ac if altitude rate source is ARINC 565 analog
Operating Temperature Range
-20C to +70C
Number of Intruder Aircraft Displayed
Maximum number determined by TCAS processor program
strap configuration.
Display
High resolution, full color dot matrix LCD. Combination
vertical speed and traffic display.
Vertical Speed Input
The IVA-81D meets the requirements of both type B and type
C VSI indicators. Pneumatic or air data electrical input. Both
ARINC 500 and 700 series air data input accepted.