Captain First Officer
Push Autostart switch OFF.
Call “START _____”. Pull Engine _____ Start switch and observe N2 rise.
Observe oil pressure increase.*
Position engine _____ Fuel Control switch to RUN at fuel-on indicator.
Observe initial EGT rise and EGT within limits.
When engine stabilized at idle, push Autostart switch ON if autostart is operative. If more than one engine is to be started manually, Autostart switch may remain OFF between manual starts.
Monitor engine displays for start parameters listed below until engine stabilized at idle: . EGT should rise within 25 seconds after selecting RUN . EGT must stay within limits . N2 should stabilize at idle . N1 rotation and *oil pressure must be indicated by idle N2 (*During cold weather starts, initial oil pressure may be higher than normal.)
Copyright . The Boeing Company. See title page for details.
SP.7.2 D6-30151-425 April 01, 2001
Engine/APU/ Cargo/Fire/Overheat Test
FIRE/OVERHEAT TEST switch...................................... Push and hold
Observe:
Fire bell sounds.
Master WARNING lights illuminate.
Engine Fire switches illuminate.
APU Fire switch illuminates.
Fuel Control switches fire lights illuminate.
Cargo fire FWD and AFT lights illuminate.
EICAS warning message >TEST IN PROG displays.
EICAS warning message >FIRE TESTPASS displays.
FIRE/OVERHEAT TEST switch.................................................Release
Squib Test
Squib TEST 1 switch........................................................................Push
Observe:
Engine squib lights illuminate.
APU squib light illuminates.
Cargo squib lights illuminate.
Squib TEST 2 switch........................................................................Push
Observe:
Engine squib lights illuminate.
APU squib light illuminates.
Cargo squib lights illuminate.
Copyright . The Boeing Company. See title page for details.
December 01, 1999 D6-30151-425 SP.8.1
Supplementary Procedures -Fire Protection 747 Operations Manual
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Copyright . The Boeing Company. See title page for details.
SP.8.2 D6-30151-425 April 1, 2000
747 Operations Manual
Heading Reference Switch Operation
Use TRUE when operating in regions where true referencing is required. Use NORM in all other regions.
HEADING reference switch ......................................... NORM or TRUE
Note: If using HDG SEL mode and the HEADING
reference switch position is changed, the AFDS
roll mode changes to HDG HOLD; HDG SEL
may be reselected.
If making an ILS approach using true referencing, the localizer course referenced to true north must be entered on theNAVRAD page.
Copyright . The Boeing Company. See title page for details.
December 01, 1999 D6-30151-425 SP.10.1
Supplementary Procedures -Flight Instruments, Displays 747 Operations Manual
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Copyright . The Boeing Company. See title page for details.
SP.10.2 D6-30151-425 April 1, 2000
747 Operations Manual
IRS Fast Realignment
A fast realignment may be accomplished when the combined operating time from the last full IRS alignment to the expected next destination arrival time does not exceed 18 hours.
IRS Mode selectors ...................................................................... ALIGN CDU .................................................................................................... Set Enter present position on SET IRS POSITION line of position initialization page.
IRS mode selectors ...........................................................................NAV
IRS High Latitude Alignment
A high latitude alignment must be accomplished when the latitude of the origin airport is greater than 70°12.0’ and less than 78°15.0’. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-441 Operations Manual 747操作手册(51)
