APPENDIX 3 DIGITAL INTERFACE
VDR - Set and drift
$--VDR,x.x,T,x.x,M,x.x,N*hh <CR><LF>
1 2 3 4 5 6
1. Direction, degrees (0.00 to 360.00)
2. T=True (fixed)
3. Direction, degrees (0.00 to 360.00, null)
4. M=Magnetic (fixed)
5. Current speed (0 to 99.99)
6. N=Knots (fixed)
VHW - Water speed and headings
$--VHW,x.x,T,x.x,M,x.x,N,x.x,K*hh <CR><LF>
1 2 3 4 5 6 7 8
1. Heading, degrees (No use)
2. T=True (No use)
3. Heading, degrees (No use)
4. M=Magnetic (No use)
5. Speed (-99.94 to 99.94)
6. N=Knots (fixed)
7. Speed (-99.94 to 99.94)
8. K=km/h (fixed)
VLW - Dual Ground / Water Distance
$--VLW,x.x,N,x.x,N,x.x,N,x.x,N*hh<CR><LF>
1 2 3 4 5 6 7 8
1. Total cumulative water distance
2. nautical miles
3. Water distance since reset
4. nautical miles
5. Total cumulative ground distance
6. nautical miles
7. Ground distance since reset
8. nautical miles
VSD - UAIS Voyage static data
$--VSD,x.x,x.x,x.x,c--c,hhmmss.ss,xx,xx,x.x,x.x*hh<CR><LF>
1 2
3
4
1. Type of ship and cargo category (0 to 255, null)
2. Maximum present static draught (0 to 25.5 meters, null)
3. Persons on-board (0 to 8191, null)
4. Destination (1 to 20 characters, null)
5. Estimated UTC of arrival at destination (000000.00 to 235959.99, null, 246000.00)
6. Estimated day of arrival at destination (00 to 31 (UTC), null)
7. Estimated month of arrival at destination (00 to 12 (UTC), null)
8. Navigational status (0 to 15, null)
9. Regional application flags (null)
AP-18
5
6 7 8
9