曝光台 注意防骗
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expanded mode the aircraft has reached approximately 5/8 dot
deflection as depicted on the EHSI. The on course definition of
one dot does not apply to the expanded mode.
If the pilot wishes to reference the actual limit of the LOC course
the FULL or EXPANDED mode of the EHSI needs to be selected.
Sec. 3 Page 178 737
Rev. 11/15/02 #41 Continental Flight Manual
MONITORED APPROACH PROCEDURES
General
It is CAL policy that approaches should be flown coupled using monitored
approach procedures when the following conditions exist:
· Precision approaches with an RVR of 2400 feet or less.
· Non-precision approaches with visibility of 1sm mile or less (RVR 5000 or
less).
A monitored approach is a procedure that allows each crewmember to
concentrate on his/her specific tasks. It utilizes the Quiet Flight Deck method
that eliminates all unnecessary conversation. Any calls, other than the normal
monitored approach calls, should indicate that an abnormal exists or that a
performance limit was exceeded.
Using the monitored approach procedure, the First Officer is assigned the task
of flying the aircraft and executing the missed approach, if necessary. This
allows the Captain additional time to acquire and assess visual cues prior to
reaching DA/DDA/MDA.
If the autopilot is inoperative, the Monitored Approach Procedure should still be
used. The First Officer should fly the aircraft manually using CAT I Monitored
Approach Procedures. An auto-coupler is required for less than 1800 RVR
(CAT II).
If the aircraft and flight crew are autoland capable, Category II approaches will
be made using the autoland system. If the approach is being conducted to a
Category I facility, use of the autoland system is discretionary.
If the RVR is 2400 feet or less, the flight crew will brief the category of
approach having the lowest minimum for which the aircraft, ILS facility, and
flight crew are capable of conducting, even if the latest reported weather would
permit a category of approach that has a higher minimum.
The approach briefing must be completed prior to beginning the final approach
segment. If equipment failure or any unforeseen circumstance necessitates a
change in the type of approach to be flown during the final approach segment, a
missed approach should be initiated and the new approach re-briefed.
On all monitored approaches, the F/O will brief the approach to be flown and
the Captain will brief the required callouts and duties associated with the
specific monitored approach.
737 Sec. 3 Page 179
Flight Manual Continental Rev. 11/15/02 #41
Note: The items considered minimum briefing by the Captain for the
monitored approach are located on the page titled MONITORED
APPROACH BRIEFING, this section or the QRH.
Braking action must be reported as “fair” or better for approaches conducted in
weather conditions of less than 1200 RVR. Touchdown zone and runway
centerline lights must not be obscured by snow or ice when visual references is
required.
Because of the requirement for transfer of control, the Monitored Approach
procedure is not authorized with an engine inoperative even though a coupled
approach is authorized in most instances. In the event an engine has failed and
the RVR is 2400 or less, the pilot flying the approach will also make the
landing. This will eliminate the transfer of aircraft control at low altitudes with
asymmetric thrust.
First Officer Duties
A monitored approach is flown coupled with the First Officer operating the
Autopilot and controlling the airspeed with the use of Autothrottle, if operable.
The First Officer should assume the flying responsibilities early in the approach
but no later than intercept heading or, in the case of a straight in approach, 4
miles outside the outer marker.
The First Officer upon reaching minimums will call “MINIMUMS, GOING
AROUND” and execute the missed approach if the Captain has not taken
control of the aircraft. The F/O will execute a missed approach any time prior
to minimums if directed by the Captain. If the Captain takes control of the
aircraft, the First Officer will monitor the flight progress and make appropriate
altitude calls.
The normal calls from 100 feet to touchdown are omitted by the PM if the Mode
6 aural alerts for the GPWS altitude callouts are operational.
Captain Duties
During a monitored approach, the First Officer is supervised or “monitored” by
the Captain. This includes supervising or monitoring the aircraft as well as the
actions of the First Officer.
The Captain will make the following call-outs with reference to TDZE:
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