mcmurdo 21-100-001A, User Manual, Page: 101 / 114

101
6 A
Status , ground speed, A = data valid, V = data
invalid
7 x.x Stern transverse water speed , knots ignored
8 A
Status : stern water speed,A = data valid, V =
data invalid
ignored
9 x.x Stern transverse ground speed ,knots ignored
10 A
Status : stern ground speed,A = data valid, V =
data invalid
ignored
A.5.25 VHW – Water Speed and Heading
The compass heading to which the vessel points and the speed of the vessel relative to the
water.
A.5.26
VSD – AIS Voyage Static Data
This sentence is used to enter information about a ship’s transit that remains relatively static
during the voyage.
$--VSD,x.x,x.x,x.x,c
—c,hhmmss.ss,xx,xx,x.x,x.x*hh<CR><LF>
Field No. Format Description Remark
1 x.x Type of ship and cargo category
2 x.x Maximum present static draught
3 x.x Persons on-board
4 c
—c
Destination
5 hhmmss.ss Estimated UTC of arrival at destination
6 xx Estimated day of arrival at destination
7 xx Estimated month of arrival at destination
8 x.x Navigational status
9 x.x Regional application flags
A.5.27
VTG – Course Over Ground and Ground Speed
The actual course and speed relative to the ground.
$--VTG, x.x, T, x.x, M, x.x, N, x.x, K,a*hh<CR><LF>
Field No. Format Description Remark
1 x.x, T Course over ground, degrees true
2 x.x, M Course over ground, degrees magnetic ignored
3 x.x, N Speed over ground, knots
4 x.x, K Speed over ground, km/h ignored
5 a Mode indicator
$--VHW, x.x, T, x.x, M, x.x, N, x.x, K*hh<CR><LF>
Field No. Format Description Remark
1 x.x, T Heading, degrees true
2 x.x, M Heading, degrees magnetic Ignored
3 x.x, N Speed, knots Ignored
4 x.x, K Speed, km/h Ignored