R
2. Component Location
__________________ R
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Enhanced GPWS - Terrain Awareness Functions
Figure 002
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**ON A/C 105-105,
(Ref. Fig. 003A)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------1WZ GPWC 88VU 128 824 34-48-34 4WZ P/BSW-GPWS/G/S 500VU 212 831 34-48-00 5WZ P/BSW-GPWS/G/S 301VU 211 831 34-48-00 7WZ P/BSW-GPWS/FLAP MODE 21VU 211 831 34-48-00 9WZ P/BSW-GPWS/SYS 21VU 211 831 34-48-00 11WZ P/BSW-GPWS/G/S MODE 21VU 211 831 34-48-00 13WZ P/BSW-GPWS/LDG FLAP 3 21VU 211 831 34-48-00 30WZ1 P/BSW-TERR ON ND,CAPT 403VU 211 831 34-48-00 30WZ2 P/BSW-TERR ON ND,F/O 402VU 212 831 34-48-00 31WZ P/BSW-GPWS/TERR 21VU 211 831 34-48-00 32WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00
SWITCHING, F/O 33WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00 SWITCHING, CAPT
R **ON A/C 106-149, 215-299, 301-399, 401-499,
(Ref. Fig. 003)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------1WZ GPWC 88VU 128 824 34-48-34 4WZ P/BSW-PULL UP/GPWS 500VU 212 831 34-48-00 5WZ P/BSW-PULL UP/GPWS 301VU 211 831 34-48-00 7WZ P/BSW-GPWS/FLAP MODE 21VU 211 831 34-48-00 9WZ P/BSW-GPWS/SYS 21VU 211 831 34-48-00 11WZ P/BSW-GPWS/G/S MODE 21VU 211 831 34-48-00 13WZ P/BSW-GPWS/LDG FLAP 3 21VU 211 831 34-48-00 30WZ1 P/BSW-TERR ON ND,CAPT 403VU 211 831 34-48-00 30WZ2 P/BSW-TERR ON ND,F/O 402VU 212 831 34-48-00 31WZ P/BSW-GPWS/TERR 21VU 211 831 34-48-00 32WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00
SWITCHING, F/O 33WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00 SWITCHING, CAPT
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Enhanced GPWS - Component Location
Figure 003
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Enhanced GPWS - Component Location
Figure 003A
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-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------34WZ RELAY-WEATHER RADAR 2 DATA CUTOFF, 188VU 128 824 34-48-00 F/O 35WZ RELAY-WEATHER RADAR 2 DATA CUTOFF, 188VU 128 824 34-48-00 CAPT
R **ON A/C 001-049, 051-099, 101-104, 151-199, 201-214,
(Ref. Fig. 003A)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------1WZ GPWC 88VU 128 824 34-48-34 4WZ P/BSW-GPWS/G/S 500VU 212 831 34-48-00 5WZ P/BSW-GPWS/G/S 301VU 211 831 34-48-00 7WZ P/BSW-GPWS/FLAP MODE 21VU 211 831 34-48-00 9WZ P/BSW-GPWS/SYS 21VU 211 831 34-48-00 11WZ P/BSW-GPWS/G/S MODE 21VU 211 831 34-48-00 13WZ P/BSW-GPWS/LDG FLAP 3 21VU 211 831 34-48-00 30WZ1 P/BSW-TERR ON ND,CAPT 403VU 211 831 34-48-00 30WZ2 P/BSW-TERR ON ND,F/O 402VU 212 831 34-48-00 31WZ P/BSW-GPWS/TERR 21VU 211 831 34-48-00 32WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00
SWITCHING, F/O 33WZ RELAY-TERRAIN/WEATHER RADAR 1 DATA 187VU 127 824 34-48-00 SWITCHING, CAPT 34WZ RELAY-WEATHER RADAR 2 DATA CUTOFF, 188VU 128 824 34-48-00 F/O 35WZ RELAY-WEATHER RADAR 2 DATA CUTOFF, 188VU 128 824 34-48-00 CAPT
**ON A/C ALL
3. System Description
__________________
A. General The Enhanced GPWS monitors data inputs from the navigation sensors. This information is used to provide suitable aural and visual warnings to alert the crew of a hazardous situation with respect to the terrain.
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B. Warnings Warnings are generated by the Enhanced GPWC which is installed on the shelf 88VU, in the aft electronics rack 80VU. Aural warnings are broadcast from the cockpit loud speakers.
R **ON A/C 105-105,
C. Digital Data Inputs
(Ref. Fig. 004)
The Enhanced GPWC receives serial digital data inputs from:
-radio altimeter transceiver 1 (radio altitude),
-Air Data/Inertial Reference Unit 1 (ADIRU),
-ADR portion (barometric altitude, barometric altitude rate, computed airspeed),
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