Title Msg DAC FI Version #slots (max) State Registrant Permitted as from Not to be used after
Water Flow Message (Seaway) 6 366 1 5 In force Saint Lawrence Seaway Development Corporation
Weather Station Message 6 366 1 5 In force Saint Lawrence Seaway Development Corporation 09/03/2002
Lockage Order Message (Seaway) 6 366 2 5 In force Saint Lawrence Seaway Development Corporation 09/03/2002
Estimated Lock Times Message (Seaway) 6 366 2 3 In force Saint Lawrence Seaway Development Corporation 09/03/2002
Version Message (Seaway) 6 366 32 1 In force Saint Lawrence Seaway Development Corporation 09/03/2002
Passenger and Crew Count 6 367 16 1 Draft USCG RDC
Collision alarm 6 421 16 1 Testing Sena and Vans Co., Ltd
Text telegram using 6-bit ASCII 8 1 0 5 Replaced ITU-R.M.1371-1 01/01/1998 31/05/2007
Text using 6-bit ASCII 8 1 0 5 In force ITU-R.M.1371-3 01/06/2007
Metreorological and hydrological data 8 1 11 2 Deprecated IMO Circ. 236 16/05/2004 01/01/2013
Fairway closed 8 1 13 3 Deprecated IMO Circ. 236 17/05/2004 01/01/2013
Extended ship static and voyage related data 8 1 15 1 Deprecated IMO Circ. 236 19/05/2004 01/01/2013
VTS targets (targets derived by means other than AIS) 8 1 16 1 In force ITU-R.M.1371-1 01/01/1998
Pseudo-AIS targets 8 1 17 3 Deprecated IMO Circ. 236 19/05/2004 01/01/2013
VTS-generated/Synthetic targets 8 1 17 3 In force IMO Circ. 289 01/06/2010
Advice of waypoints (AWP) and/or route plan of VTS 8 1 18 5 In force ITU-R.M.1371-1 01/01/1998
Marine traffic signal 8 1 19 2 In force IMO Circ. 289 01/06/2010
Weather observation report from ship 8 1 21 2 In force IMO Circ. 289 01/06/2010
Area notice 8 1 22 5 In force IMO Circ. 289 04/03/2011
Extended ship static and voyage-related data 8 1 24 2 In force IMO Circ. 289 01/06/2010