IALA

Extended ship static and voyage related data

Introduction/Additional information:

This message should be used by a ship to report the height over keel. Attributes: broadcast, ship transmitting, no acknowledgement.

Registrant:
IMO Circ. 236
Message number:
8
DAC:
1
FI:
15
State:
deprecated
Number of slots (max):
1
Permitted as from:
19/05/2004
Not to be used after:
01/01/2013
Details:
 Parameter  No. of bits  Description
 Message ID 6  Identifier for Message 8 ; always 8
 Repeat Indicator 2  Used by the repeater to indicate how many times a
 message has been repeated.
 Source ID 30  Name of source station
 Spare 2  Not used. Should be set to zero.
 IAI 16  DAC =001
FI=15
 Air Draught 11  in 1/10 m, 2047 = height over keel 204,.7 m or greater, 0 = not available =
 default
 Spare 5  Not used. Should be set to zero.
 Total Number of Bits 72  This message uses one slot