737 Operations Manual
Non-Normal Maneuvers -
Non-Normal Maneuvers
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNM.1.3
Terrain Avoidance
Ground Proximity Caution
Accomplish the following maneuver for any of these aural alerts:
• CAUTION TERRAIN
• TERRAIN AHEAD (JAA)
• SINK RATE
• TERRAIN, TERRAIN
• DON’T SINK
• TOO LOW FLAPS
• TOO LOW GEAR
• TOO LOW TERRAIN
• GLIDESLOPE
• BANK ANGLE
The below glideslope deviation alert may be cancelled or inhibited for:
• localizer or backcourse approach
• circling approach from an ILS
• when conditions require a deliberate approach below glideslope
• unreliable glideslope signal.
Note: If a terrain caution occurs when flying under daylight VMC, and positive
visual verification is made that no obstacle or terrain hazard exists, the alert
may be regarded as cautionary and the approach may be continued.
Pilot Flying Pilot Not Flying
Correct the flight path or the airplane configuration.
June 07, 2002