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20 Cards in this Set
- Front
- Back
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DATA BLOCK INFORMATION
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A full data block (FDB) is: The symbology displayed adjacent to a tracked aircraft target on a MDM (scope) containing an aircraft position symbol, a leader line, velocity vector line, and the alphanumeric data associated with the aircraft.
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DATA BLOCK DIAGRAM
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A1 A2 A3 A4 A5 A6 A7 A8
B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 |
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FIELD A
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8 Character positions containing aircraft identification
Ac id = 7 characters max |
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FIELD B
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Positions B1 thru B3 contain assigned altitude information.
B4 will be a symbol. |
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FIELD B, POSITION B4 CONTAINS
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N no beacon code reported / controller enters altitude
X beacon code reported altitude becomes disestablished A reported altitude becomes single assigned altitude + aircraft exceeds upper conformance limits - aircraft exceeds lower conformance limits C beacon reported altitude T interim altitude |
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FIELD C
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Positions C1 thru C3 displays mode C or controller entered altitude
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FIELD D
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WILL CONTAIN THE COMPUTER IDENTIFICATION NUMBER (CID)
An “R” will be displayed in the D1 position followed by the CID in the D2 thru D4 positions at sectors that do not have track control of the referent flight, i.e. after a handoff has been accepted by another sector. |
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FIELD E
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•Field E will never be blank if the aircraft is in flat track ( ) if no other information is displayed ground speed will be displayed. (range 010 to 999)
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FIELD E CONTENTS
EMRG |
Correlated 7700 beacon return *field E blinks
•7700 is the transponder beacon code for an aircraft in distress |
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FIELD E CONTENTS
RDOF |
Correlated 7600 beacon return *field E blinks
•7600 is the transponder beacon code for an aircraft with loss of radios |
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FIELD E CONTENTS
HIJK |
Correlated 7500 beacon return *field E blinks
•7500 is the transponder beacon code for an aircraft that is being hijacked |
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FIELD E CONTENTS
MSAW |
En route Minimum Safe Altitude Warning for the aircraft * field E blinks
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MORE FIELD E CONTENTS
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HOOO - Handoff to Omaha approach (OMA)
HKKK - Handoff to Lincoln approach (LNK) H19 - Handoff to Denver center H37 - Handoff to sector 37 |
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TARGET SYMBOLS
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There are 8 target symbols used to display radar data. All target returns, either beacon or primary, are correlated or uncorrelated.
A correlated target indicates that tracking is being accomplished by the computer (the computer has stored information concerning the flight of the aircraft accomplished by controller input). An uncorrelated target is one which the computer is not tracking. |
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. Or +
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Uncorrelated primary target ( . Is a weak signal + is strong signal )
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X
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Correlated primary
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/
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Uncorrelated beacon
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\
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Correlated beacon
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I
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MCI correlated track eligible for conflict alert
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V
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Correlated/ uncorrelated VFR 1200 beacon code (ideating function being preformed.)
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