曝光台 注意防骗
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Copyright © The Boeing Company. See title page for details.
FCT 777/787 Preliminary (TM) 5.69
Go–Around and Missed Approach - All Approaches
Note: For a manual go-around:
• rotate manually
• select or verify go-around thrust
• engage autopilot as needed
After planned flaps set and at or
above flap maneuvering speed
• Select FLCH or VNAV
• Verify climb thrust
(CON thrust, 1 engine)
• Verify altitude capture
• Do the After Takeoff checklist
Above 400 feet RA
• Select or verify roll mode
• Verify missed approach
altitude set
• Verify route tracking
Initiation
• Push TO/GA, flaps 20
(flaps 5 or 20, 1 engine)
• Verify go-around attitude
• Verify or adjust thrust as needed
• Positive rate of climb - gear up
Acceleration height
• Select speed for planned flap setting
• Retract flaps on schedule
October 31, 2006
777/787 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
5.70 FCT 777/787 Preliminary (TM)
787-8
TBD
October 31, 2006
777/787 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
FCT 777/787 Preliminary (TM) 5.71
Go–Around and Missed Approach - All Engines Operating
The go-around and missed approach is generally performed in the same manner
whether an instrument or visual approach was flown. The go-around and missed
approach is flown using the Go-Around and Missed Approach procedure
described in the FCOM. The discussion in this section supplements those
procedures.
If a missed approach is required following an autopilot approach, leave the
autopilots engaged. Push either TO/GA switch, call for flaps 20, ensure go-around
thrust for the nominal climb rate is set and monitor autopilot performance. Retract
the landing gear after a positive rate of climb is indicated on the altimeter.
At typical landing weights, actual thrust required for a normal go-around is
usually considerably less than maximum go-around thrust. This provides a thrust
margin for windshear or other situations requiring maximum thrust. If full thrust
is desired after thrust for the nominal climb rate has been established, press
TO/GA a second time.
If a missed approach is required following a manual instrument approach or visual
approach, push either TO/GA switch, call for flaps 20, ensure/set go-around
thrust, and rotate smoothly toward 15° pitch attitude. Then follow flight director
commands and retract the landing gear after a positive rate of climb is indicated
on the altimeter.
During an automatic go-around initiated at 50 feet, approximately 30 feet of
altitude is lost. If touchdown occurs after a go-around is initiated, the go-around
continues. Observe that the autothrottles apply go-around thrust or manually apply
go-around thrust as the airplane rotates to the go-around attitude.
Note: An automatic go-around cannot be initiated after touchdown.
The TO/GA pitch mode initially commands a go-around attitude and then
transitions to speed as the rate of climb increases. This speed is normally between
command speed and command speed + 25 knots. The TO/GA roll mode maintains
existing ground track. Above 400 feet AGL, select a roll mode as appropriate.
The minimum altitude for flap retraction during a normal takeoff is not normally
applicable to a missed approach procedure. However, obstacles in the missed
approach flight path must be taken into consideration. During training, use 1,000
feet AGL to initiate acceleration for flap retraction, as during the takeoff
procedure.
Note: Selection of pitch and roll modes below 400 feet AGL does not change the
autopilot and flight director modes.
October 31, 2006
777/787 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
5.72 FCT 777/787 Preliminary (TM)
If initial maneuvering is required during the missed approach, accomplish the
missed approach procedure through gear up before initiating the turn. Delay
further flap retraction until initial maneuvering is complete and a safe altitude and
appropriate speed are attained.
Command speed should not be increased until a safe altitude or flap retraction
altitude is attained. Accelerate to flap retraction speed by repositioning the
command speed to the maneuvering speed for the desired flap setting. Retract
flaps on the normal flap/speed schedule. When the flaps are retracted to the
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787机组训练手册Flight Crew Training Manual 787(91)
