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What are the transponder codes of overwater and lane of entry?

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Star Alliance created the topic: What are the transponder codes of overwater and lane of entry?

My friend encounter these two questions in EXAMs.

What is the transponder code of:
1.lane of entry
A.1200
B.3000
I can't find the answer anywhere, and neither fly into a lane of entry before...

2. Class G Overwater
A.1200
B.4000
C.7615
In AIP, it states: In class G, civil aviation no involved in special operation or SAR, and excess of 15nm offshore should use 4000.
But as we all know, we usually submit a SAR.

For civil flight engaged in littoral surveillance should use 7615. I make no sense of littoral surveillance.

Could someone help me please? Thanks a lot!
#1

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SJM replied the topic: What are the transponder codes of overwater and lane of entry?

1. ENR 1.4-6 states

Lanes of entry are established to permit passage to and from specified Class D CTR without entering an adjacent civil or military control zone. The vertical limits provide separation from overlying control or restricted areas.

When using these lanes, pilots must:

  • operate under VFR
  • conform with the general flight rules regarding terrain clearance, flight over populous areas, and low-level restricted areas
    operate not higher than the altitude specified as the upper limit in the section being flown
  • and
  • keep to the right.


This would be in Class G airspace, so the transponder code is 1200
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SJM replied the topic: What are the transponder codes of overwater and lane of entry?

2. Class G Overwater
A.1200
B.4000
C.7615
In AIP, it states: In class G, civil aviation no involved in special operation or SAR, and excess of 15nm offshore should use 4000.
But as we all know, we usually submit a SAR.

For civil flight engaged in littoral surveillance should use 7615. I make no sense of littoral surveillance.


Your interpretation of the bold text is wrong. You may 'usually' nominate a SARTIME, but you do not submit a Search and Rescue (SAR is a possible action if your nominated SARTIME is not cancelled in time).

littoral surveillance is basically coastline surveillance.

The answer to this question depends on the complete question (which I suspect is more than "Class G over water")
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Star Alliance replied the topic: What are the transponder codes of overwater and lane of entry?

Thanks a lot for your replies! You correct my mistakes which I even don't know before.
I want to confirm my following description:
In class G, for general flight within 15nm overwater, squawk 1200.
Excess 15nm ,squawk 4000.
Littoral surveillance is sometime like patrol, if like this , I will select 7615.
Are they correct? Thanks again.
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