Model: 53-87012-21

Aircraft Attitude Computer

Special Features:

Additional information computed: climb angle, vertical velocity, ground speed to altitude ratio

Properties:

Mounting Type
Base, shock mount
End Application
An/asn-56 inertial navigation sys; rf4c aircraft
Unpackaged Unit Length
23.600 inches
Unpackaged Unit Width
4.250 inches
Unpackaged Unit Height
9.740 inches
Power Source
External
Input Intelligence Type
Altitude, general data and ground speed and pitch-roll signal data
Intelligence Input Method
Electrical
Output Intelligence Type
Angle of attack
Functional Description
Contains the follow-up servos for pitch and roll information from the inertial navigation set stable platform, and circuitry for computing vertical attack angle, climb angle, vertical velocity, and ground speed to altitde ratio
Reference Data And Literature
Tech order 5n16-2-6-4 and dd form 61
Relationship To Similar Equipment
REPL-AC-ES6-6050
Type/model Designation
Cp-780/asn-56
NSN
6605-00-915-9319
Part Number
53-87012-21
Description
Computer,aircraft Attitude
CAGE

A computer that contains the follow-up servo for pitch and roll information from the platform, and the circuitry for computing vertical attack angles, climb angle, vertical velocity, and ground speed to altitude ratio.

Part 53-87012-21 NSN 6605-00-915-9319

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
53058
FIIG:
A30800
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
36.0 X 25.0 X 13.0
Paclk Weight:
39.5000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
F006759781
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
658
TCC:
Z
SHC:
Z
ACC:
Instruments/Radio

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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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