Konsberg AIS 200, Installation Manual

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Kongsberg AIS 200 Installation Manual, rev. 2 Appendix B - Digital interface IEC 61162-1
10.3.4 AIR – AIS interrogation request
This senten ith
the means t
base AIS st
one AIS un
pes that can be
quested are limited. The complete list of messages that can be requested can be found
The externa
assessing the success or failure of the interrogation. After receiving this sentence, the AIS
initiates a radio broadcast (on the VHF Data Link) of a message 15 – Interrogation. The
uccess or failure of the interrogation broadcast is determined by the external application's
ssessment of the combined reception of the ABK-sentence and future VDM-sentences
eiving this AIR-sentence, the AIS
should broadcast a message 15 within 4 s, and the addressed AIS should take no more than an
ce supports ITU-R M.1371 message 15. It provides an external application w
o initiate a request for specific ITU-R M.1371 messages from distant mobile or
ations. A single sentence can be used to request, as many as, two messages from
it and one message from a second AIS unit. The message ty
re
within the message 15 description in ITU-R M.1371. Improper requests may be ignored.
l application initiates the interrogation. The external application is responsible for
s
a
provided by the AIS via the Presentation Interface. After rec
additional 4 s to respond – a total of 8 s.
Message 17, GNSS Broadcast Binary Message, (all available corrections are
requested),
Message 20, Data Link Management Message,
Message 22, Channel Management.
NOTE 1 Identifies the first distant AIS being interrogated. Two messages can be requested
from the first AIS.
NOTE 2 Examples of messages that may be requested from a distant mobile AIS station
include:
Message 3, Position Report,
Message 5, Ship Static and Voyage related data,
Message 9, Standard SAR Aircraft Position Report,
Message 18, Standard Class B Equipment Position Report,
Message 19, Extended Class B Equipment Position Report, and
Message 21, Aids-to-Navigation Report.
Examples of messages that may be requested from a distant AIS base station
include:
Message 4, Base Station Report,
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