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go-around thrust as the airplane rotates to the go-around attitude.
Note: An automatic go-around cannot be initiated after touchdown or if the
airplane is below 5 feet radio altitude for more than 2 seconds.
The 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 GA roll mode maintains existing
ground track. Above 400 feet AGL, select a roll mode as appropriate.
October 31, 2004
767 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
5.64 FCT 767 (TM)
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.
Note: When accomplishing a missed approach from a multi-autopilot approach,
initial selection of a roll mode, pitch mode, or when altitude capture occurs
above 400 feet AGL the autopilot reverts to single autopilot operation.
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 and the
airspeed approaches maneuvering speed, select FLCH and ensure CLB thrust is
set. Verify the airplane levels off at selected altitude and proper speed is
maintained.
If VNAV is used during go-around, the FMC missed approach profile should
contain the appropriate holding speeds and altitudes. Speed intervention may be
used to further modify airspeed as desired. If VNAV ALT (as installed) is
displayed, a premature level off may occur and selection of FLCH may be
required to complete the climb to the missed approach altitude.
If a diversion to an alternate airport is required, delay use of VNAV until
appropriate FMC entries are completed.
Note: FMC speeds may not comply with speed/altitude restrictions when using
VNAV at low altitudes.
October 31, 2004
767 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
FCT 767 (TM) 5.65
Go–Around and Missed Approach - One Engine Inoperative
The missed approach with an engine inoperative should be accomplished in the
same manner as a normal missed approach except use flaps 5 for the go-around
flap setting for a flaps 20 approach or use flaps 20 as the go-around flap setting for
a flaps 25 or 30 approach. After GA is engaged, the AFDS commands a speed that
is normally between command speed and command speed + 15 knots. If
accomplishing a manual go-around, the pilot must control yaw with rudder and
trim. Some rudder pedal pressure may be required even with full rudder trim.
Select maximum continuous thrust when flaps are retracted to the desired flap
setting.
For a multi-autopilot go-around, yaw is initially controlled by the autopilots. Be
prepared to immediately apply rudder input when selecting another roll mode,
pitch mode, or when altitude capture occurs above 400 feet AGL because the
autopilot reverts to single autopilot operation. The system reverts to normal
autopilot operation and automatic control of rudder is discontinued.
Engine Failure During Go–Around and Missed Approach
If an engine fails during go-around, perform normal Go-Around and Missed
Approach procedures. Verify maximum go-around thrust is set. Maintain flaps 20,
VREF 30 + wind correction (5 knots minimum) speed until initial maneuvering is
complete and a safe altitude is reached. 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.
October 31, 2004
767 Flight Crew Training Manual
Approach and Missed Approach
Copyright © The Boeing Company. See title page for details.
5.66 FCT 767 (TM)
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October 31, 2004
　
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