Federal Aviation Administration Twentieth Edition
FIG ENR 1.1.24
ARTS III Radar Scope With Alphanumeric Data
NOTE.
A number of radar terminals do not have ARTS equipment. Those facilities and certain ARTCCs outside the contiguous U.S. would have radar displays similar to the lower right hand subset. ARTS facilities and NAS Stage A ARTCCs, when operating in the nonautomation mode, would also have similar displays and certain services based on automation may not be available.
EXAMPLE.
1.
Areas of precipitation (can be reduced by CP)
2.
Arrival/departure tabular list
3.
Trackball (control) position symbol (A)
4.
Airway (lines are sometimes deleted in part)
5.
Radar limit line for control
6.
Obstruction (video map)
7.
Primary radar returns of obstacles or terrain (can be removed by MTI)
8.
Satellite airports
9.
Runway centerlines (marks and spaces indicate miles)
10.
Primary airport with parallel runways
11.
Approach gates
12.
Tracked target (primary and beacon target)
13.
Control position symbol
14.
Untracked target select code (monitored) with Mode C readout of 5,000’
15.
Untracked target without Mode C
16.
Primary target
17.
Beacon target only (secondary radar) (transponder)
18.
Primary and beacon target
19.
Leader line
20.
Altitude Mode C readout is 6,000’ (Note: readouts may not be displayed because of nonreceipt of beacon information, garbled beacon signals, and flight plan data which is displayed alternately with the altitude readout)
21.
Ground speed readout is 240 knots (Note: readouts may not be displayed because of a loss of beacon signal, a controller alert that a pilot was squawking emergency, radio failure, etc.)
22.
Aircraft ID
23.
Asterisk indicates a controller entry in Mode C block. In this case 5,000’ is entered and “05” would alternate with Mode C readout.
24.
Indicates heavy
25.
“Low ALT” flashes to indicate when an aircraft’s predicted descent places the aircraft in an unsafe proximity to terrain. (Note: this feature does not function if the aircraft is not squawking Mode C. When a helicopter or aircraft is known to be operating below the lower safe limit, the “low ALT” can be changed to “inhibit” and flashing ceases.)
26.
NAVAIDs
27.
Airways
28.
Primary target only
29.
Nonmonitored. No Mode C (an asterisk would indicate nonmonitored with Mode C)
30.
Beacon target only (secondary radar based on aircraft transponder)
31.
Tracked target (primary and beacon target) control position A
32.
Aircraft is squawking emergency code 7700 and is nonmonitored, untracked, Mode C
33.
Controller assigned runway 36 right alternates with Mode C readout (Note: a three letter identifier could also indicate the arrival is at specific airport)
34.
Ident flashes
35.
Identing target blossoms
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