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TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 1(87)

时间:2011-11-09 15:56来源:蓝天飞行翻译 作者:航空
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(DE) NOV 01
 
NAV 1 INSTALLATION
DESCRIPTION AND OPERATION
1. GENERAL
The VOR is a short- and middle-range navigation aid. It enables the pilot to locate the position of his aircraft with regard to a half-line (radial) crossing the VOR station or also to determine the particular radial crossing the aircraft position.
In ILS operation (landing aid), the system allows a continuous guidance in azimuth (LOC) and in elevation (GLIDE slope approach plane).
The optional NAV 1 installation consists of :
- the A78 COMM./VOR-ILS/GPS transceiver
- the E33 VOR/LOC antenna,
Optional Pre-MOD 151. Standard Post-MOD 151  • - the E34 GS (GLIDE) antenna, GNS 430

All
- the A59 VOR signal separator (option),
- the A60 GS signal separator (option),
- the M81 course deviation indicator GI 106A
- or the M73 Horizontal Situation Indicator (HSI) KI 525A
The M73 horizontal situation indicator is a component of the heading system - refer to 34-21-00. The installation uses the M6 advisory panel — refer to 31-50-00.
With relation to the options installed on the aircraft, NAV 1 installation receives and/or sends signals to :
- the A50 audio control panel - refer to 23-11-00,
- the Distance Measuring Equipment (DME) — refer to 34-55-00,
- the Radio Magnetic Indicator (RMI) - refer to 34-25-00,
- the transponder (GTX 327) - refer to 34-53-00,
- the multifunction display - refer to 34-62-00,
- the fuel flow totalizer - refer to 73-30-00,
- the autopilot system - refer to 22-12-00.
For the description of the communication function of the A78 COMM.NOR-ILS/GPS transceiver, refer
to 23-12-00.
For the description of the GPS function of the A78 COMM./VOR-ILS/GPS transceiver, refer to 37-57-00. The installation is electrically supplied by "BUS 1" bar.
ANAN
Validity : GNS 430 34-51-00Page 1
(DI) JUN 04
 
2. LOCATION (Figures 1 and 2)

COMPONENT QTY AREA ACCESS DOOR REFERENCE
A78 COMM.NOR-ILS/GPS transceiver 1 PL30 / 34-50-00
E33 VOR/LOC antenna 1 310 311 or 313 34-51-00
E34 GS antenna (Option or Standard) 1 310 311 or 313 34-51-00
A59 VOR signal separator (option) 1 251 C / 34-51-00
A60 GS signal separator (option) 1 251C / 34-51-00
M81 course deviation indicator 1 251 L / 34-51-00
M6 advisory panel 1 251L / 31-50-01
Circuit breaker :
- CB 87 "NAV 1/GPS 1" 1 PL1 / WM

3. DESCRIPTION
A. A78 COMM./VOR-ILS/GPS transceiver (Figure 3)
The COMM./VOR-ILS/GPS transceiver is designed for the reception of navigation and guidance signals within a frequency range from 108.00 to 117.95 MHz and reception of GS signals within a frequency range from 329.15 to 335.00 MHz. It provides M73 HSI or M81 course deviation indicator with NAV/ILS information.
 
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