Operating Manual
89-042 Issue 5 13
Identifiers Used by Other Ships to Report Their Type
Identifier Number
First
Digit
Second
Digit
Vessel Type
3 0 Fishing
3 1 Towing
3 2 Towing and length of the tow exceeds 200mtrs (656ft)
or breadth exceeds 25mtrs (82ft)
3 3 Engaged in dredging or underwater operations
3 4 Engaged in diving operations
3 5 Engaged in military operations
3 6 Sailing
3 7 Pleasure craft
3 8 Reserved for future use
3 9 Reserved for future use
Identifiers Used by Special Craft to Report Their Type
Identifier Number
First
Digit
Second
Digit
Vessel Type
5 0 Pilot vessel
5 1 Search and rescue vessel
5 2 Tugs
5 3 Port tenders
5 4 Vessels with anti-pollution facilities or equipment
5 5 Law enforcement vessels
5 6 Spare – for assignments to local vessels
5 7 Spare – for assignments to local vessels
5 8 Medical transports (as defined in the 1949 Geneva
Conventions and Additional Protocols)
5 9 Ships according to Resolution No. 18 (Mob-83)