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Fairway closed

Introduction/Additional information: 
This message should be used to inform ships, in particular to give guidance to large vessels about temporary closed fairways or sections in ports. Attributes: broadcast, shore station transmitting, no acknowledgement.
Permitted as from: 
17/05/2004
Not to be used after: 
01/01/2013
Registrant: 
IMO Circ. 236
Physical link: 
AIS
Message number (0=VDES-VDE): 
8
DAC or VPFI: 
1
FI / Message ID: 
13
State: 
deprecated
State link: 
Area notice
Number of slots (max): 
3
Last modified: 
29/01/2021 - 23:18
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 = 13 
 Reason for closing   120  Maximum 20 characters 6-bit ASCII
 "@@@@@@@@@@@@@@@@@@@@" = not available = default  
 Location of closing from   120  Maximum 20 characters 6-bit ASCII
 "@@@@@@@@@@@@@@@@@@@@" = not available = default  
 Location of closing To   120  Maximum 20 characters 6-bit ASCII
 "@@@@@@@@@@@@@@@@@@@@" = not available = default  
 Extension of closed area (radius)   10  extension;  (valid range 0-1000, 1001 = not available = default)
 Unit of extension value   2  0=[m], 1=[km], 2=[nm], 3=[cbl]  
 Closing from day   5  1-31;  0 = day not available = default  
 Closing from month   4  1-12;  0 = month unavailable = default; 13-15 unused 
 From LT hour (appr)   5 0-23; 24 = LT hour not available = default; 25-31 not used
 From LT minute (appr)   6 0-59; 60 = LT minute not available = default; 61-63 not used
 To day   5  1-31;  0 = day not available = default  
 To month   4  1-12;  0 = month unavailable = default; 13-15 unused 
 To LT hour (appr)   5 0-23; 24 = LT hour not available = default; 25-31 not used
 To LT minute (appr)   6 0-59; 60 = LT minute not available = default; 61-63 not used
 Spare   4   
 Total number of bits   472  occupies 3 slots