LEFT FLIGHT
MANAGEMENT
COMPUTER
FWD
SEE E
MAIN EQUIPMENT CENTER
Flight Management Computer System - Component Location Figure 1 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
34-61-00
ALL ú ú 03 Page 2 ú Oct 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CRT
LINE SELECT KEYS
FUNCTION KEY
ANNUNCIATORS
NUMERIC ALPHABETIC CHARACTER CHARACTER KEYS KEYS
CONTROL DISPLAY UNIT
A
Flight Management Computer System - Component Location Figure 1 (Sheet 2)
C22656
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
34-61-00
ALL ú
ú 02 Page 3
ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
EICAS CONTROL PANEL/FMC SWITCH
CAPTAIN'S F/O'SSOURCE SELECT MODULE
Flight Management Computer System - Component Location
Figure 1 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
34-61-00
ALL ú ú 02 Page 4 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
TEST FAIL LAMP
TEST IN PROCESS LAMP
TEST INITIATE PUSH BUTTON
DATA LOADER
CONTROL PANEL
F
Flight Management Computer System - Component Location
Figure 1 (Sheet 4)
M48968
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
34-61-00
ALL ú
ú 26 Page 5
ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
AIRBORNE DATA LOADER
DISKETTE STOWAGE BOX
ON AIRPLANES WITH A DISKETTE STOWAGE BOX
Flight Management Computer System - Component Location Figure 1 (Sheet 5)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
34-61-00
ALL ú ú 03 Page 6 ú Oct 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
C. In additon to airplane guidance and thrust control, the FMCS 's navigation function controls the tuning of the VHF NAV radios for VHF NAV position updating. This VHF NAV radio computed position is combined with the three inertial positions computed by the Inertial Reference System (IRS) to provide a more accurate present airplane position fix.
D. The Control Display Units (CDUs) provide a means of communication between the crew and the FMCs. This interface allows for crew entry of intitialization data, reference data, modifications in the flight plan as well as displaying information on airplane configuration and advisory/alerting messages.
E. In addition, the CDU operates as a control panel for systems such as ACMS and CMC as well as to provide backup functions for navigation, radio tuning and EFIS/EICAS panel control.
F. Although the FMCS controls a portion of the flight management system, the airplane and interfacing systems are able to operate without it.
G. The sections which follow briefly describe the FMCS's (FMCs and CDUs) hardware structure, system interfaces, navigation, guidance, performance and thrust management functions and their computations.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 导航 NAVIGATION 3(112)
