IALA

ETA at lock/bridge/terminal

Details:
 Parameter  Bit  Description
 Message ID 6  Identifier for Message 6; always 6
 Repeat Indicator 2 Used by the repeater to indicate how many times a message has been repeated. 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 set to zero. Reserved for future use.
 Application Identifier 16 As described in Table 2,6
 UN country code 12 2*6 Bit characters
 UN location code 18 3*6 Bit characters
 Fairway section number 30 5*6 Bit characters
 Terminal code 30 5*6 Bit characters
 Fairway hectometre 30 5*6 Bit characters
 ETA at lock/bridge/terminal 20 Estamated Time of Arrival MMDDHHMM UTC
Bits 19 – 16: month  1 – 12;  0 = not available = default
Bits 15 – 11: day  1 – 31  0 = not available = default
Bits 10 – 6: hour  0 – 23  24 = not available = default
Bits 5 – 0: minute  0 – 59 60 = not available = default
 Number of assisting tugboarts 3 3 0 – 6, 7 = unknown = default
 Air draught 12 0 – 4000 (rest not used), in 1/100m, 0 = default =
not used
Spare 5 Not used, should be set to zero. Reserved for future
use.
248  occupies 2 slots