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15 Cards in this Set
- Front
- Back
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What does IFF stand for?
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Indentification Friend or Foe
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What are the three basic indentification steps?
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1. Challenge
2.Decode 3. Reply |
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True or False? All aircraft have interrogator set.
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False. Only aircraft platforms that need to interrogate and indentify from a distance for tactical reasons.
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What is a pulse-type transmitter that is triggered by the coder synchronizer?
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Interrogator
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What do coded replies from a friendly craft appear as?
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Dashed lined just beyond the target blip.
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What are the five modes of IFF?
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Mode 1, 2, 3/A, C, & Mode 4
(Test is also a mode) |
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What is the pulse spacing for Mode 1?
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2.9 to 3.1 microseconds
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What is the pulse spacing for Mode 2?
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4.8 to 5.2 microseconds
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What is the pulse spacing for Mode 3/A?
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7.8 to 8.2 microseconds
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What is the pulse spacing for Mode C?
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20.8 to 21.2 microseconds
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What is the pulse spacing for the TEST MODE?
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6.3 to 6.7 microseconds
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What mode(s) is used by the military as tactical mode(s) for mission and indentification purposes?
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Modes 1 and 2
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What mode(s) is/are used as the standard air traffic control mode used by the military and civilian air trafic control stations?
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Mode 3/A
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What mode(s) is used in conjunction with Mode 3/A for reporting aircraft altitude provided by the air data computer?
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Mode C
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What mode(s) is/are classified and requires the use of a transponder computer? |
Mode 4 |
