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considered only if roll control is ineffective and the airplane is not stalled.
These techniques assume that the airplane is not stalled. A stalled
condition can exist at any attitude and may be recognized by continuous
stick shaker activation accompanied by one or more of the following:
• buffeting, which could be heavy at times
• lack of pitch authority and/or roll control
• inability to arrest descent rate.
If the airplane is stalled, recovery from the stall must be accomplished first
by applying and maintaining nose down elevator until stall recovery is
complete and stick shaker activation ceases.
Pilot Flying Pilot Monitoring
Disengage the autopilot and autothrottle.
Advance thrust levers forward to ensure
maximum thrust is attained and call for
FLAPS 20. Smoothly adjust pitch to satisfy
the RA command. Follow the planned
lateral flight path unless visual contact with
the conflicting traffic requires other action.
Verify maximum thrust set. Position flap
lever to 20 detent.
Verify a positive rate of climb on the
altimeter and call "GEAR UP."
Verify a positive rate of climb on the
altimeter and call "POSITIVE RATE."
Set landing gear lever to UP.
Attempt to establish visual contact. Call out any conflicting traffic.
December 10, 2007
777 Flight Crew Operations Manual
Maneuvers -
Non_Normal Maneuvers
Copyright © The Boeing Company. See title page for details.
MAN.1.8 D632W001-TBC
Nose High Recovery
Nose Low Recovery
WARNING: * EXCESSIVE USE OF PITCH TRIM OR RUDDER
MAY AGGRAVATE AN UPSET SITUATION OR
MAY RESULT IN LOSS OF CONTROL AND/OR
HIGH STRUCTURAL LOADS.
Windshear
Windshear Caution
For predictive windshear caution alert: (“MONITOR RADAR DISPLAY”
aural)
Pilot Flying Pilot Monitoring
• Recognize and confirm the situation.
• Disconnect autopilot and autothrottle.
• Apply as much as full nose down
elevator.
• *Apply appropriate nose down
stabilizer trim.
• Reduce thrust.
• *Roll (adjust bank angle) to obtain a
nose down pitch rate.
• Complete the recovery:
• - when approaching the horizon, roll
to wings level
• - check airspeed and adjust thrust
• - establish pitch attitude.
• Call out attitude,
airspeed and altitude
throughout the
recovery.
• Verify all required
actions have been
completed and call
out any omissions.
Pilot Flying Pilot Monitoring
• Recognize and confirm the situation.
• Disconnect autopilot and autothrottle.
• Recover from stall, if required.
• *Roll in the shortest direction to wings
level (unload and roll if bank angle is
more than 90 degrees).
• Recover to level flight:
• - apply nose up elevator
• - *apply nose up trim, if required
• - adjust thrust and drag as required.
• Call out attitude,
airspeed and altitude
throughout the
recovery.
• Verify all required
actions have been
completed and call
out any omissions.
December 10, 2007
777 Flight Crew Operations Manual
Maneuvers -
Non_Normal Maneuvers
Copyright © The Boeing Company. See title page for details.
D632W001-TBC MAN.1.9
Windshear Warning
Predictive windshear warning during takeoff roll: (“WINDSHEAR
AHEAD, WINDSHEAR AHEAD” aural)
• Prior to V1, reject takeoff.
• After V1, perform the Windshear Escape Maneuver.
Windshear encountered during takeoff roll:
• If windshear is encountered prior to V1, there may not be sufficient
runway remaining to stop if an RTO is initiated at V1. At VR,
rotate at a normal rate toward a 15 degree pitch attitude. Once
airborne, perform the Windshear Escape Maneuver.
• If windshear is encountered near the normal rotation speed and
airspeed suddenly decreases, there may not be sufficient runway
left to accelerate back to normal takeoff speed. If there is
insufficient runway left to stop, initiate a normal rotation at least
2,000 feet before the end of the runway even if airspeed is low.
Higher than normal attitudes may be required to lift off in the
remaining runway. Ensure maximum thrust is set.
Predictive windshear warning during approach: (“GO-AROUND,
WINDSHEAR AHEAD” aural)
• perform Windshear Escape Maneuver or, at pilot’s discretion,
perform a normal go-around.
Windshear encountered in flight:
• perform the Windshear Escape Maneuver.
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波音777快速检查单 Quick Reference Handbook QRH(122)
