Message ID

6

Identifier for this message 6; always 6.

Repeat Indicator

2

Used by the repeater to indicate how many times a message has been repeated.
0 - 3; default = 0; 3 = do not repeat any more.

Source ID

30

MMSI number of source station

Sequence Number

2

0 - 3

Destination ID

30

MMSI number of destination station.

Retransmit Flag

1

Retransmit Flag should be set upon retransmission:
0 = no retransmission = default
1 = retransmitted.

Spare

1

Not used. Should be zero

DAC

10

Destination Area Code.
Default: 0

FI

6

Function Identifier
Default: 0

Sub-application ID

16

Default: 1

Voltage Data

12

Lantern supply voltage data. Max 409.6V

Current Data

10

Lantern drain current data. Max 102.3A

Power Supply Type

1

AC or DC
0: AC
1: DC

Light Status

1

Light On or Light Off
0: Light Off
1: Light On

Battery Status

1

Good or Low voltage
0: Good
1: Low voltage

Off Position Status

1

Off position or On position
0: On position
1: Off position

Spare

6

For future use. Should be zero.

TOTAL OF BITS.

136

Occupies 1 slot.