Lack of voyage information in AIS class vessels
AIS on board vessels can be classified as Class A and Class B.
AIS class A
AIS is included in the International Convention for the Safety of Life at Sea (SOLAS) convention for: vessels are:
- vessels of 300 gross tonnage and upwards engaged on international voyages
- vessels of 500 gross tonnage and upwards not engaged on international voyages
- passenger ships irrespective of size.
The AIS referred to in the SOLAS convention is often termed ‘AIS Class A’.
AIS class B
AIS Class B is intended for use on non-SOLAS vessels. These can include domestic commercial vessels and pleasure craft.
In regards to the voyage information AIS class A vessels reports Destination and ETA more as compared to AIS Class B vessels. which is normal when looking at global AIS. class B vessels and small class A vessels tend not to report voyage data.
Below data metrics shows 24 hours data of all vessels type reported voyage information( Destination and ETA) with respect to AIS class.
| Ship Type | AIS Vessel Class | |
| A | B | |
| GENERAL_CARGO | 15982 | 234 |
| OTHER | 7025 | 118 |
| DRY_BULK | 6983 | 36 |
| GENERAL_TANKER | 6374 | 108 |
| TUG | 5434 | 92 |
| FISHING | 3664 | 104 |
| VEHICLE_PASSENGER | 2722 | 40 |
| TANKER_PRODUCT | 2637 | 49 |
| CONTAINER | 2394 | 11 |
| OFFSHORE | 1827 | 16 |
| TANKER_CHEMICALS | 1209 | 23 |
| TANKER_CRUDE | 1098 | 6 |
| GAS_CARRIER | 598 | 4 |
| LNG_CARRIER | 414 | 5 |
| CAR_CARRIER | 376 | 0 |
| ROLL_ON_ROLL_OFF | 323 | 3 |
| REEFER | 226 | 2 |
| LIVESTOCK | 16 | 0 |
| COMBINATION_CARRIER | 9 | 0 |
Ship type classification and description:
|
shipTypeDescription |
vesselType |
|
Wing in ground (WIG), all ships of this type |
OTHER |
|
Wing in ground (WIG), Hazardous category A |
OTHER |
|
Wing in ground (WIG), Hazardous category B |
OTHER |
|
Wing in ground (WIG), Hazardous category C |
OTHER |
|
Wing in ground (WIG), Hazardous category D |
OTHER |
|
Wing in ground (WIG), Reserved for future use |
OTHER |
|
Wing in ground (WIG), Reserved for future use |
OTHER |
|
Wing in ground (WIG), Reserved for future use |
OTHER |
|
Wing in ground (WIG), Reserved for future use |
OTHER |
|
Wing in ground (WIG), Reserved for future use |
OTHER |
|
Fishing |
FISHING |
|
Towing |
TUG |
|
Towing, TUG" |
null |
|
Dredging or underwater ops |
OTHER |
|
Diving ops |
OFFSHORE |
|
Military Ops |
OTHER |
|
Sailing |
OTHER |
|
Pleasure Craft |
OTHER |
|
Reserved |
OTHER |
|
Reserved |
OTHER |
|
High speed craft (HSC), all ships of this type |
OTHER |
|
High speed craft (HSC), Hazardous category A |
OTHER |
|
High speed craft (HSC), Hazardous category B |
OTHER |
|
High speed craft (HSC), Hazardous category C |
OTHER |
|
High speed craft (HSC), Hazardous category D |
OTHER |
|
High speed craft (HSC), Reserved for future use |
OTHER |
|
High speed craft (HSC), Reserved for future use |
OTHER |
|
High speed craft (HSC), Reserved for future use |
OTHER |
|
High speed craft (HSC), Reserved for future use |
OTHER |
|
High speed craft (HSC), No additional information |
OTHER |
|
Pilot Vessel |
OTHER |
|
Search and Rescue vessel |
OTHER |
|
Tug |
TUG |
|
Port Tender |
OTHER |
|
Anti-pollution equipment |
OTHER |
|
Law Enforcement |
OTHER |
|
Spare - Local Vessel |
OTHER |
|
Spare - Local Vessel |
OTHER |
|
Medical Transport |
OTHER |
|
Noncombatant ship according to RR Resolution No. 18 |
OTHER |
|
Passenger, all ships of this type |
VEHICLE_PASSENGER |
|
Passenger, Hazardous category A |
VEHICLE_PASSENGER |
|
Passenger, Hazardous category B |
VEHICLE_PASSENGER |
|
Passenger, Hazardous category C |
VEHICLE_PASSENGER |
|
Passenger, Hazardous category D |
VEHICLE_PASSENGER |
|
Passenger, Reserved for future use |
VEHICLE_PASSENGER |
|
Passenger, Reserved for future use |
VEHICLE_PASSENGER |
|
Passenger, Reserved for future use |
VEHICLE_PASSENGER |
|
Passenger, Reserved for future use |
VEHICLE_PASSENGER |
|
Passenger, No additional information |
VEHICLE_PASSENGER |
|
Cargo, all ships of this type |
GENERAL_CARGO |
|
Cargo, Hazardous category A |
GENERAL_CARGO |
|
Cargo, Hazardous category B |
GENERAL_CARGO |
|
Cargo, Hazardous category C |
GENERAL_CARGO |
|
Cargo, Hazardous category D |
GENERAL_CARGO |
|
Cargo, Reserved for future use |
GENERAL_CARGO |
|
Cargo, Reserved for future use |
GENERAL_CARGO |
|
Cargo, Reserved for future use |
GENERAL_CARGO |
|
Cargo, Reserved for future use |
GENERAL_CARGO |
|
Cargo, No additional information |
GENERAL_CARGO |
|
Tanker, all ships of this type |
GENERAL_TANKER |
|
Tanker, Hazardous category A |
GENERAL_TANKER |
|
Tanker, Hazardous category B |
GENERAL_TANKER |
|
Tanker, Hazardous category C |
GENERAL_TANKER |
|
Tanker, Hazardous category D |
GENERAL_TANKER |
|
Tanker, Reserved for future use |
GENERAL_TANKER |
|
Tanker, Reserved for future use |
GENERAL_TANKER |
|
Tanker, Reserved for future use |
GENERAL_TANKER |
|
Tanker, Reserved for future use |
GENERAL_TANKER |
|
Tanker, No additional information |
GENERAL_TANKER |
|
Other Type, all ships of this type |
OTHER |
|
Other Type, Hazardous category A |
OTHER |
|
Other Type, Hazardous category B |
OTHER |
|
Other Type, Hazardous category C |
OTHER |
|
Other Type, Hazardous category D |
OTHER |
|
Other Type, Reserved for future use |
OTHER |
|
Other Type, Reserved for future use |
OTHER |
|
Other Type, Reserved for future use |
OTHER |
|
Other Type, Reserved for future use |
OTHER |
|
Other Type, no additional information |
OTHER |