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instrument panel 34-57-05
A92 relay box 1 250 Behind the L.H.
instrument panel 34-57-05
Filter (option) 2 230 251L 34-57-00
Blower 1 230 211R 34-57-00
J89 "data loader" jack 1 254L or
254R or
251C / 34-57-00
M6 advisory panel 1 251 L / 31-50-01
Circuit breaker : - "GPS" 1 230 232L WM
3. OPERATION
NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
AJAJ
Validity : KLN 90B with HSI NAV 1 / GPS switching 34 57-00Page 3
(DE) NOV 01
Global Positioning System (GPS) - Identification and location of components
Figure 2
AJAJ
Validity : KLN 90B with HSI NAV 1 / GPS switching 34 57 00Page 4
(DE) NOV 01
®
Global Positioning System (GPS) - Identification and location of components
Figure 3
PAGE INTENTIONALLY LEFT BLANK
AJAJ
Validity : KLN 90B with HSI NAV 1 / GPS switching 34-57-00Page 6
(DE) FEB 00
GLOBAL POSITIONING SYSTEM (GPS)
DESCRIPTION AND OPERATION
1. GENERAL
The GPS is a satellite-based radionavigation system which enables an aircraft to be located anywhere (tridimensional positioning : latitude, longitude and altitude).
The system consists of :
- the A78 COMM./VOR-ILS/GPS transceiver,
- the E48 GPS antenna GA 56,
- the K81 relay.
The system also uses :
- the M73 Horizontal Situation Indicator (HSI) - refer to 34-21-00,
- the M6 advisory panel - refer to 31-50-00. According to the installed options, the system receives and/ or sends information to :
- the GPS 2 (GNS 430) - refer to 34-57-00,
- the autopilot system - refer to 22-12-00,
- the fuel flow system - refer to 73-30-00.
The A78 COMM./VOR-ILS/GPS transceiver receives altitude information from the encoding altimeter - refer to 34-11-00.
For the description of communication function of the A78 COMM./VOR-ILS/GPS transceiver, refer to 23-12-00.
For the description of VOR/ILS function of the A78 COMM./VOR-ILS/GPS transceiver, refer to 34-51-00. Without "Ground Clearance"
The A78 COMM./VOR-ILS/GPS transceiver is electrically supplied by "BUS 1" bar.
With "Ground Clearance"
The installation is electrically supplied by "BUS 1" bar or by battery.
ARAR
Validity : GPS 1 - GNS 530 34-57 00 (DI) Page 1 JUN 04
LOCATION (Figure 1)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
A78 COMM./VOR-ILS/ GPS transceiver 1 PL30 / 34-50-00
E48 GPS antenna 1 240 / 34-57-02
中国通航网 www.ga.cn
通航翻译 www.aviation.cn
本文链接地址：TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 2(63)
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