Specifications

APPENDIX
AP-20
SSD - UAIS ship static data
This sentence is used to enter static parameters into a shipboard AIS. The parameters in
this sentence support a number of ITU-R M.1371 messages.
$--SSD,c--c,c--c,xxx,xxx,xx,xx,c, aa*hh<CR><LF>
| | | | | | | | |
| | | | | | | | +--9
| | | | | | | +--- 8
| | | | | | +----- 7
| | | | | +------- 6
| | | | +---------- 5
| | | +-------------- 4
| | +------------------ 3
| +---------------------- 2
+--------------------------- 1
1. Ship’s Call Sign, 1 to 7 characters
2. Ship’S Name, 1 to 20 characters
3. Pos. ref. point distance, "A," from bow, 0 to 511 Meters
4. Pos. ref. point distance, "B," from stern, 0 to 511 Meters
5. Pos. ref. point distance, "C," from port beam, 0 to 63 Meters
6. Pos. ref. point distance, "D," from starboard beam, 0 to 63 Meters
7. DTE indicator flag
8. Source identifier
9. Checksum
VBW - Dual ground/water speed
$--VBW,x.x,x.x,A,x.x,x.x,A,x.x,A,x.x,A*hh<CR><LF>
| | | | | | | | | | |
| | | | | | | | | | +--- 11
| | | | | | | | | +----- 10
| | | | | | | | +-------- 9
| | | | | | | +----------- 8
| | | | | | +-------------- 7
| | | | | +----------------- 6
| | | | +-------------------- 5
| | | +------------------------ 4
| | +--------------------------- 3
| +------------------------------ 2
+---------------------------------- 1
1. Longitudinal water speed, knots
2. Transverse water speed, knots
3. Status: water speed, A=data valid V=data invalid
4. Longitudinal ground speed, knots
5. Transverse ground speed, knots
6. Status: ground speed, A=data valid V=data invalid
7. Stern transverse water speed, knots
8. Status: stern water speed, A=data valid V=data invalid
9. Stern transverse ground speed, knots
10. Status: stern ground speed, A=data valid V=data invalid
11. Checksum