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时间:2011-03-20 21:03来源:蓝天飞行翻译 作者:admin
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 -Decel point  This pseudo-waypoint is displayed, when it is computed, where the start of deceleration is predicted for approach, according to the profile.


 (d) Origin/Destination airports (white color) If an origin and/or destination exists in the active or secondary flight plan, it is transmitted with the origin/destination waypoint symbol under the conditions noted below.
 1 The origin/destination waypoint symbol is transmitted for the
_ origin/destination waypoint of the corresponding flight plan
 (i.e. only for the flight plan being transmitted).
 2 If the waypoint is the alternate origin waypoint (equal to the
_ primary destination) it will not be transmitted (only the primary destination will be transmitted). The manner in which the symbol is transmitted depends upon whether or not the destination is a runway or airport and the range selected. These cases are noted below.
 3 If the origin/destination waypoint is an airport, the airport
_ is transmitted.
 4 If the origin/destination waypoint is a runway and an enroute
_ range is selected the runway is transmitted including the airport and runway idents and the heading with respect to true north (note that if it is the origin the runway heading with respect to true north is displayed and the destination is runway heading + 180 degrees).
 5 If the origin/destination waypoint is a runway and a terminal
_ area range is selected, the runway is transmitted including the airport and runway idents, the heading with respect to true north and the paved length of the runway. If the waypoint constraints pushbutton option is selected and the origin/destination waypoint has constraints associated with it, the constraint data is displayed unless the origin/destination is the FROM waypoint (Ref. para. E. (5)).
 (2)
 Tuned navaids (cyan color) If a navaid is being tuned for MCDU and it is within the defined edit area the tuned navaid symbol will be transmitted. The navaids being tuned on both FMGCs are transmitted. The navaid types that may be tuned and the label used for transmission are listed below.

 -------------------------------------------------------------------| TUNED NAVAID | LABEL | |-----------------------------------------|-----------------------| | DME only | Tuned DME | | TACAN | Tuned DME | | VOR only | Tuned VOR | | VORTAC | Tuned VORTAC | | Collocated VOR/DME | Tuned VORTAC | | Non-collocated VOR/DME | Tuned VORTAC | | Non-collocated VORTAC | Tuned VORTAC | | ADF | Tuned ADF | -------------------------------------------------------------------

(3)
 Holding patterns (white color) If a holding pattern exists in the ACTIVE PRIMARY or ALTERNATE or TEMPORARY or SECONDARY flight plan, the holding pattern symbol is transmitted under the following conditions:

 -
The corresponding flight plan is being transmitted

 -
The holding pattern fix is within the defined edit area

 -
The range selection is enroute, or the range selection is terminal

 

 


 and the holding pattern is not the active or next leg. If the range selection is terminal and the holding pattern is the active or next leg in the active primary F-PLN and the entry into the holding pattern is determined to be a direct entry, then the computed holding pattern is displayed with no entry transition. If the range selection is terminal and the holding pattern is the active or next leg in the active primary F-PLN and the entry is determined to be a teardrop or parallel entry, the entry transition will be displayed. For HF legs, only the entry transition is shown; for HA and HM legs, the entry transition and the computed holding pattern will be displayed until the A/C crosses the fix if it is predicted that the holding will be flown upon crossing the fix. Otherwise only the entry will be displayed. If the holding pattern is the active or next leg in the SECONDARY or TEMPORARY F-PLN, then the computed holding pattern is displayed with no entry transition. The holding pattern and/or entry transition are not displayed for the ALTERNATE F-PLN. If the active leg is a HX leg and the holding pattern has been modified, the original holding pattern only is displayed until the holding fix is crossed. Then the new holding pattern and its entry transition (if any) replace it on the ND.


 (4) Procedure turns (white color) If a procedure turn exists in the ACTIVE PRIMARY or ALTERNATE or TEMPORARY or SECONDARY flight plan, the procedure turn symbol is transmitted under the following conditions.
 -
The corresponding flight plan is being transmitted.

 -
The procedure turn fix is within the defined edit area.

 -
The range selection is enroute or the range selection is terminal


 and the procedure turn is not the active or next leg. If the terminal area range is selected and the procedure turn is the active or next leg, the actual path of the procedure turn is transmitted.
 
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