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National Stock Number:
6610-01-372-8170
Federal Supply Class:
6610
National Item Identification Number:
013728170
Description:
COMPUTER,AIR DATA
Detail:
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.
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Manufacturer Information:
| 6610PL0736243 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 8518930-901 | 07187 | HONEYWELL INTERNATIONAL INC. | | CPU-187/A | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM | | 8518930-901 | 94580 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| ALTERNATING CURRENT VOLTAGE RATING IN VOLTS | 115.0 | | FREQUENCY IN HERTZ | 400.0 | | 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 | | MOUNTING TYPE | RACK | | PHASE | SINGLE | | POWER SOURCE | EXTERNAL | | 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 | | UNPACKAGED UNIT HEIGHT | 6.940 INCHES NOMINAL | | UNPACKAGED UNIT LENGTH | 12.560 INCHES NOMINAL | | UNPACKAGED UNIT WIDTH | 6.200 INCHES NOMINAL |
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