AIS Message Definitions

AIS Message: shipdata (::)

Description:

Class A vessel data report

Name NumberOfBits ArrayLength Type Units Description
MessageID 6 uint AIS message number. Must be 5
RepeatIndicator 2 uint Indicated how many times a message has been repeated
0: default
3: do not repeat any more
UserID 30 uint Unique ship identification number (MMSI)
AISversion 2 uint Compliant with what edition. 0 is the first edition.
IMOnumber 30 uint vessel identification number (different than mmsi)
callsign 6 7 aisstr6 Ship radio call sign
name 6 20 aisstr6 Vessel name
shipandcargo 8 uint Type of ship and cargo type
20: Wing in ground (WIG), all ships of this type
21: Wing in ground (WIG), Hazardous catagory A
22: Wing in ground (WIG), Hazardous catagory B
23: Wing in ground (WIG), Hazardous catagory C
24: Wing in ground (WIG), Hazardous catagory D
25: Wing in ground (WIG), Reserved for future use
26: Wing in ground (WIG), Reserved for future use
27: Wing in ground (WIG), Reserved for future use
28: Wing in ground (WIG), Reserved for future use
29: Wing in ground (WIG), No additional information
30: fishing
31: towing
32: towing length exceeds 200m or breadth exceeds 25m
33: dredging or underwater ops
34: diving ops
35: military ops
36: sailing
37: pleasure craft
38: reserved
39: reserved
40: High speed craft (HSC), all ships of this type
41: High speed craft (HSC), Hazardous catagory A
42: High speed craft (HSC), Hazardous catagory B
43: High speed craft (HSC), Hazardous catagory C
44: High speed craft (HSC), Hazardous catagory D
45: High speed craft (HSC), Reserved for future use
46: High speed craft (HSC), Reserved for future use
47: High speed craft (HSC), Reserved for future use
48: High speed craft (HSC), Reserved for future use
49: High speed craft (HSC), No additional information
50: pilot vessel
51: search and rescue vessel
52: tug
53: port tender
54: anti-polution equipment
55: law enforcement
56: spare - local vessel
57: spare - local vessel
58: medical transport
59: ship according to RR Resolution No. 18
60: passenger, all ships of this type
61: passenger, Hazardous catagory A
62: passenger, Hazardous catagory B
63: passenger, Hazardous catagory C
64: passenger, Hazardous catagory D
65: passenger, Reserved for future use
66: passenger, Reserved for future use
67: passenger, Reserved for future use
68: passenger, Reserved for future use
69: passenger, No additional information
70: cargo, all ships of this type
71: cargo, Hazardous catagory A
72: cargo, Hazardous catagory B
73: cargo, Hazardous catagory C
74: cargo, Hazardous catagory D
75: cargo, Reserved for future use
76: cargo, Reserved for future use
77: cargo, Reserved for future use
78: cargo, Reserved for future use
79: cargo, No additional information
80: tanker, all ships of this type
81: tanker, Hazardous catagory A
82: tanker, Hazardous catagory B
83: tanker, Hazardous catagory C
84: tanker, Hazardous catagory D
85: tanker, Reserved for future use
86: tanker, Reserved for future use
87: tanker, Reserved for future use
88: tanker, Reserved for future use
89: tanker, No additional information
90: other type, all ships of this type
91: other type, Hazardous catagory A
92: other type, Hazardous catagory B
93: other type, Hazardous catagory C
94: other type, Hazardous catagory D
95: other type, Reserved for future use
96: other type, Reserved for future use
97: other type, Reserved for future use
98: other type, Reserved for future use
99: other type, No additional information
dimA 9 uint m Distance from bow to reference position
dimB 9 uint m Distance from reference position to stern
dimC 6 uint m Distance from port side to reference position
63: 63 m or greater
dimD 6 uint m Distance from reference position to starboard side
63: 63 m or greater
fixtype 4 uint Method used for positioning
0: undefined
1: GPS
2: GLONASS
3: combined GPS/GLONASS
4: Loran-C
5: Chayka
6: integrated navigation system
7: surveyed
ETAmonth 4 uint Estimated time of arrival - month
ETAday 5 uint Estimated time of arrival - day
ETAhour 5 uint Estimated time of arrival - hour
ETAminute 6 uint Estimated time of arrival - minutes
draught 8 udecimal m Maximum present static draught
25.5: 25.5 m or greater
destination 6 20 aisstr6 Where is the vessel going
dte 1 uint Data terminal ready
0: available
1: not available
Spare 1 uint Reserved for definition by a regional authority.