a) Emergency XPDR codes to ATC and must be avoided when changing channels.
b) Are test frequencies to be used by maintenance personnel.
c) The XPDR ATA auto flight, communication and navigation system codes
d) BITE test codes; refer to the aircraft maintenance manual.
Rather than spoon feed you the answer, I will furnish the section in the Aeronautical Information Manual (AIM) that answers your "question". You need to LEARN this information, not just the correct answer to some a"quiz".!!
4-1-19. Transponder Operation
e. Code Changes
1,2,& 3
http://www.faa.gov/air_traffic/publications/ATPubs/AIM/AIM_Basic_2-14-08.pdf
{ 7 comments… read them below or add one }
alpha
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a
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Any more homework questions we need to answer?
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7500 hijack
7600 radios dead
7700 distress
ergo, A.
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Rather than spoon feed you the answer, I will furnish the section in the Aeronautical Information Manual (AIM) that answers your "question". You need to LEARN this information, not just the correct answer to some a"quiz".!!
4-1-19. Transponder Operation
e. Code Changes
1,2,& 3
http://www.faa.gov/air_traffic/publications/ATPubs/AIM/AIM_Basic_2-14-08.pdf
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Maybe you should think of another line of work, or maybe do some work, homework!
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If this is a hard question for you, you are not in the right profession.
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