APPENDIX 3 DIGITAL INTERFACE
AP-17
VSD - UAIS Voyage static data
VTG - Course over ground and ground speed
XDR - Transducer measurements
ZDA - Time and date
$--VSD,x.x,x.x,x.x,c--c,hhmmss.ss,xx,xx,x.x,x.x*hh<CR><LF>
1 2 3 4 5 6 7 8 9
1. Type of ship and cargo category (0 - 255)
2. Maximum present static draught (0 to 25.5 meters, null)
3. Persons on-board (0 - 8191, null)
4. Destination (1 - 20 characters, null)
5. Estimated UTC of arrival at destination (000000.00 - 235959.99)
6. Estimated day of arrival at destination (00 to 31(UTC))
7. Estimated month of arrival at destination (00 to 12(UTC))
8. Navigational status (0 - 15, null)
9. Regional application flags (0 - 15)
$--VTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh <CR><LF>
1 2 3 4 5 6 7 8 9
1. Course over ground, degrees (0.00 - 360.00)
2. T=True (fixed)
3. Course over ground, degrees (No use)
4. M=Magnetic (No Use)
5. Speed over ground, knots (0.00-99.94)
6. N=Knots (fixed)
7. Speed over ground (0.00-99.94)
8. K=km/h (fixed)
9. Mode indicator (
A=Autonomous, D=Differential E=Estimated (dead reckoning)
M=Manual input S=Simulator P=Precision)
$--XDR,a,x.x,a,c--c,……………a,x.x, a,c...c*hh<CR><LF>
1 2 3 4 5
1. Transducer type, transducer no. (C, A, F, N, P, R, T, H, V)
2. Measurement data, transducer no. (Transducer no. N)
3. Units of measure, transducer no. (Transducer type, transducer no. N)
#1=CC #1=AD
#1=DM #1=FH
#1=NN #1=PB
#1=RI #1=TR
#1=HP #1=VM
4. Data, varialbe number of transducers
5. Transducer “n”
$--ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh<CR><LF>
1 2 3 4 5 6
1. UTC (000000.00 - 235960.99)
2. Day (01 - 31)
3. Month (01 -12)
4. Year (UTC, 1970 - 2037)
5. Local zone, hours (No use)
6. Loca zone, minutes (No use)