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published airway. When requesting or accepting a “present
position direct to” clearance, terrain clearance can only be assured
by remaining at or above the applicable GRID MORA.
Challenge or refuse ATC instructions when those instructions are not clearly
understood, questionable, and/or conflict with the flight crew’s assessment of
aircraft position relative to terrain. The Air Traffic Control tab found in the
Jeppesen Airway Manual provides a concise description of JAA (Joint Aviation
Authorities) and other foreign state’s ATC system rules and procedures. Where
applicable, differences from ICAO standards and procedures are also presented.
Automation
To minimize the exposure to a CFIT encounter while using automation, a highly
disciplined approach to FMS operating procedures and associated techniques
should be employed. Use automation on a level consistent with flight dynamics
that reduces workload, enhances monitoring effectiveness, and increases
situational awareness. Accomplish FMS programming in periods of low
workload. FMS programming requires teamwork to insure proper loading,
verification and execution. EFIS displays should be used in a manner that
provides useful information. When too much information is presented on EFIS
displays, the opportunity for confusion or distraction exists.
737
Flight Manual Continental
Sec. 3 Page 307
Rev. 11/15/02 #41
Monitor course and altitude information referencing raw data while utilizing the
appropriate charting when maneuvering in the terminal area. If VNAV descent
profiles are used, supplement those calculations with manual calculations for
comparison.
Preparation
Review the approach / departure procedures with applicable transitions, noting
the altitude information and any unusual navaid / fix configurations that may
cause confusion about distance to go, step-down altitudes, or course
contingencies. The Pilot Monitoring (PM) must immediately verbalize
potentially confusing or non-standard situations to the Pilot Flying (PF).
WARNING: Prior to beginning a departure / arrival in mountainous
terrain, all appropriate SIDS, STARS, enroute charts, and
approach charts will be out and readily available. The
Captain will brief prior to descent in mountainous terrain all
GRID MORAs, MEAs, MOCAs and transition levels so as to
include position of high terrain along the route.
Preparing for complex instrument procedures requires thorough briefing and
preparation. Approaches with multiple step down fixes, pose increased
difficulty and greater exposure to a CFIT encounter.
Whether flying a precision or non-precision approach, apply the proper unit of
measure to altimeter settings (i.e., inches of mercury vs. millibars). When
executing a non-precision approach, set the barometric altimeter bug to the
published MDA. Set the radio altimeter to 250 ft. to provide additional terrain
awareness should an inadvertent or premature descent from the MDA occur.
Sec. 3 Page 308
Rev. 11/15/02 #41 Continental
737
Flight Manual
CFIT Recovery Maneuver
Accomplish the following maneuver for any of these conditions:
· Activation of the “PULL UP” or “TERRAIN TERRAIN PULL UP.”
· Activation of the “TERRAIN AHEAD PULL UP” warning.
· Other situations resulting in unacceptable flight toward terrain.
PILOT FLYING PILOT MONITORING
· Call: “MAX THROTTLE,
CHECK SPEEDBRAKE.”
Rapidly perform the following:
· Disconnect autopilot.
· Disconnect autothrottle.
· Aggressively apply maximum
throttle (mechanical stops).
· Retract speedbrakes.
· Simultaneously roll wings level
and rotate to an initial pitch
attitude of 20°.
· If terrain remains a threat, continue
rotation up to the pitch limit
indicator (if available) or stick
shaker initial buffet.
· Assure maximum thrust.
· Confirm speedbrake stowed.
· Verify all required actions
have been completed and call
out any omissions.
· Do not change gear or flap
configuration until terrain
separation is assured.
· Monitor radio altimeter for
sustained or increasing terrain
separation.
· When clear of terrain, slowly
decrease pitch attitude and
accelerate.
· Monitor vertical speed and
altitude.
· Call out any trend toward
terrain contact.
Note: Aft control column force increases as the airspeed decreases. In all
cases, the pitch attitude that results in intermittent stick shaker or initial
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