Model: CPU-187/A

Air Data Computer

Properties:

Mounting Type

Rack

Alternating Current Voltage Rating In Volts

115.0

End Application

F-16 aircraft

Unpackaged Unit Length

12.560 inches

Unpackaged Unit Width

6.200 inches

Unpackaged Unit Height

6.940 inches

Power Source

External

Input Intelligence Type

Air density and air pressure and altitude, general data and air temperature and pressure altitude and angle of attack and speed and true air speed and true angle of attack

Intelligence Input Method

Air or electrical

Phase

Single

Frequency In Hertz

400.0

Relationship To Similar Equipment

Differences from cpu-136/a: a; outputs not used in cpu-136/a have been deleted. One test connector has been deleted. Memory and hardware growth are increased. B; new data word is transmitted on the mux bus for aircraft maintenance fault code reporting/fault isolation enhancements. C; reliability has been increased. D; air data computer will be maintained at 2 levels in lieu of 3. E; new air data computer can be substituted for cpu-136/a but not vice versa. This is required to prevent demodification of updated aircraft that will not have i-level air data support required for cpu-136/a.

Type/model Designation

Cpu-187/a

NSN

6610-01-372-8170

Part Number

CPU-187/A

Description

Computer,air Data

CAGE

80058

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 CPU-187/A NSN 6610-01-372-8170

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30742

FIIG:

A30800

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

25.0 X 15.0 X 14.5

Paclk Weight:

21.9000lbs

Item Weight:

12.8000lbs

Item Dim:

015000620070

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

F000004XE3

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

WCC:

658

TCC:

SHC:

ACC:

Equipment for Aircraft

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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