T&T: AIS, Gotcha-Monitoring VHF 16

[Dave Legrow]

Larry,

The problem is that by carrying AIS, the vessel that Mike was on
(as he noted) indicated to the world that he IS participating
(and no - it is not a regulation- but it is the real world- not
academia).  Therefore, he would not be expected to be on 16. If
someone shows AIS and I can't raise him on 13 or the local VTS
frequency, then there is an issue.  BTW, most AIS systems have
the ability to turn off the transmitter - so if he wanted to not
participate and just watch, that could have been done as well. 
Having one foot in both worlds is just not appropriate.

Also by listening on the VTS frequency, you can glean useful
information.  True, as John noted, someone saying they are
passing the copper plant that has been closed for 20 years may
not mean much to you, however, the Staten Island ferry only goes
two places(normally), and the KV junction buoy doesn't move!  I
think you get the jist.  

Of course I have an issue with the boat owner as well.  Why did
he spend the money on an AIS, and not have a second fixed radio
in the wheelhouse?  How foolish!  

Dave Legrow
T'III


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