User’s Manual
Page 69 of 117
Weatherdock AG Sigmundstraße 180 D-90431 Nürnberg
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type of vessel
rotational speed/turn rate
Static information:
call sign and name of the vessel
length and width of the vessel
IMO-number of the vessel, if existent
type of vehicle
position of the GPS sensor onboard
Journey-related information:
draught of the vessel
type of cargo
port of destination and estimated time of arrival (ETA)
route plan, optional
The block of dynamic information is the most important block with regard
to threatening collisions. Therefore this block of information is
transmitted in a compulsory way, depending on the vessels movement.
The following table shows the mandatory repetition rate of the “Class A”
Transceiver linked to the ship’s movement:
anchored vessels:
3 minutes
vessels at 0 – 14 kn:
10 seconds
vessels at 0 – 14 kn, fast maneuver:
3.3 seconds
vessels at 14 – 23 kn:
6 seconds
vessels at 14 – 23 kn, fast maneuver: 2 seconds
vessels at > 23kn:
2 seconds
vessels at > 23 kn, fast maneuver:
2 seconds
The static data such as information regarding the journey is dispersed
every 6 minutes.
This data is sent in turns according to the stipulated period to the one
(161.975 MHz) and subsequently to the other channel (162.025MHz).
