Model: 2118952-4

Air Data Computer

Special Features:

There are 2 different mechanical mounts, 1 used in the eaic location and 1 used in the adc location.

Properties:

Alternating Current Voltage Rating In Volts
115.0
Direct Current Voltage Rating In Volts
26.0
End Application
F-15s
Unpackaged Unit Length
9.50 inches
Unpackaged Unit Width
6.20 inches
Unpackaged Unit Height
6.50 inches
Power Source
External
Input Intelligence Type
Air pressure and angle of attack and air temperature and altitude, general data
Intelligence Input Method
Air or electrical
Output Intelligence Type
Air data
Phase
Single
Frequency In Hertz
400.0
Functional Description
Processor accepts inputs from aircraft freestream pitot-static pressure system, angle of attack sensors, aircraft total temperature sensors, engine air inlet duct pitot-static pressure system and the altimeter barometric setting. Corrected inputs are used to 1) compute accurate air data for primary flight instruments 2) generate commands necessary to control the variable engine inlet geometry, 3) provide the afcs with pitot pressure, static pressure, and impact pressure.
Supplementary Features
Ltech characteristics: mil-std-1750a processor, contains 1553 bus, built-in-test/3 external fail indicators, requires no cooling air, provides pressure signal outputs, provides air data to other aircraft systems.
Type/model Designation
Cpu194/a
NSN
6610-01-432-8458
Part Number
2118952-4
Description
Computer,air Data
CAGE
64547

A computer specifically designed to convert basic air data input signals into electrical output signals representing the necessary flight parameters such as pressure altitude, mach number, airspeed, and impact pressure. See also computer, air speed; computer, altimeter-pressure; computer, altitude; computer, mach number; computer, pressure-altitude; computer, true wind direction and intensity; and computer, zone wind.

Part 2118952-4 NSN 6610-01-432-8458

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30742
FIIG:
A30800
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
XZ
CRITL:
X

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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