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庞巴迪挑战者605公务机机组操作手册 CL605-CHAPTER 17 -导航系统 NAVIGATION SYSTEMS(30)

时间:2011-10-31 11:53来源:蓝天飞行翻译 作者:公务机
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TFC (Traffic) Pushbutton – CCP
The TFC pushbutton selects or deselects a traffic display overlay on the current MFD format. If traffic is selected for display and the current format/range is not compatible, the MFD will automatically display TRAFFIC ONLY, and change the range to 10NM.
Also, the TCAS format can be presented on the MFD by using the LWR MENU/FORMAT TCAS selection.

DCP and CCP TFC Pushbuttons
Figure 17.10.65

TCAS Traffic Symbology
Four different TCAS symbols are used to represent TCAS targets. Indicators that represent the intruder’s vertical speed and relative altitude data accompany each TCAS symbol.
An arrow is used to indicate the vertical speed of the target aircraft. The arrow appears only when the target aircraft is climbing or descending at more than 500 fpm. An up arrow indicates climbing, and a down arrow indicates a descending intruder.


 NAVIGATION SYSTEMS Description  Vol. 2  17.10.67 
Oct 05/06 

Plus or minus signs, along with a number, symbolize the relative altitude of the threat airplane (plus = above, minus = below).
The TCAS computer classifies nearby aircraft into one of four types:
.
Other traffic (OT)

.
Proximate traffic (PT)

.
Traffic alert (TA)

.
Resolution advisory (RA)

 

TCAS Symbols Figure 17.10.66

Other Traffic (OT)
With TCAS overlaid on the PPOS or ROSE formats, other traffic (OT) is defined as any non-threat aircraft traffic within a maximum detection range of 300 NM. With the TCAS-only format selected, 10 NM is the maximum detection range. There are no aural alerts associated with OT.
The display of OT symbols may be set to on or off. The control for this function is located on both the ATC/TCAS control page of the CDU, and on the TCAS – MFD radio tuning window.

Proximate Traffic (PT)
Proximate traffic (PT) is any aircraft within six NM and ±1,200 feet vertical separation, and is not deemed a threat.
PT cannot be deselected, and is always shown on the traffic display as an aid to the pilots when visually acquiring TAs and RAs. There are no aural alerts associated with PT.


 NAVIGATION SYSTEMS Description  Vol. 2  17.10.68 
Oct 05/06 


Traffic Alert (TA)
The traffic alert (TA) is issued when an intruding aircraft penetrates the 35 second TCAS surveillance area, and is considered by the TCAS computer to be a possible threat. The TA provides the flight crew with an opportunity to use the TCAS display on the navigation display (PFD/MFD), in order to assist in visually locating the intruding aircraft.
The traffic alerts (TAs) consist of the following:
.
Aural advisory “TRAFFIC, TRAFFIC” is sounded;

.
Yellow word TRAFFIC is displayed below the ADI on the PFD; and

.
Yellow TAs are shown on the navigation display of the PFD/MFD as a solid yellow circle.
 
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