Introduction:
The convoy message shall be sent from vessel to shore in order to inform of the shape of a convoy and the ID and loading status of the barges.
Additional Information / usage notes:
The input of the loading status is optional.
Additional barge information (ENI and loading condition) can be added as necessary.
The application creating the convoy message shall check that the formation code and the number of barge data (ENI and loading status) transmitted in the message match
Up to three barges can be transmitted in a single-slot message
Up to ten barges can be transmitted in a two-slot message
An XML which provides the details how to interpret the convoy code can be downloaded at the VTT EG site http://eg.ris.eu/vtt [1]
The timeout cannot be set by the control message
The reporting rate cannot be set by the control message
VTT EG site http://eg.ris.eu/vtt [1]
Reporting rate 6 minutes
Timeout 18 minutes
|
Parameter |
Bit |
Description |
|
|
Message ID |
6 |
Identifier for Message 8; always 8 |
|
|
Repeat Indicator |
2 |
Used by the repeater to indicate how many times a message has been repeated. |
|
|
Source ID |
30 |
MMSI number |
|
|
Spare |
2 |
not used, should be set to zero, reserved for future use |
|
|
Binary data |
Application Identifier |
16 |
DAC = 200, FI = 11 |
|
Version indicator |
3 |
The version number of the message default = 0, rest for future use |
|
|
Formation Code |
9 |
bit- coded convoy formation type (see formation code XML) |
|
|
ENI (Barge 1) |
27 |
bit-coded ENI 0 = default = not used, 11111111 to 99999999, rest not used |
|
|
Load condition (Barge 1) |
2 |
0 = unknown = default, 1 = loaded, 2 = unloaded, 3 = loaded with dangerous cargo |
|
|
ENI (Barge 2) |
27 |
bit-coded ENI 0 = default = not used, 11111111 to 99999999, rest not used |
|
|
Load condition (Barge 2) |
2 |
0 = unknown = default, 1 = loaded, 2 = unloaded, 3 = loaded with dangerous cargo |
|
|
Spare |
n |
not used. Should be set to zero, reserved for future use |
|
|
Total |
max |
occupies 1 or 2 slots |
