North american ice service (nais) iceberg bulletin 180001Z apr

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-13N 052-57W, 46-00N 047-30W, 46-00N 046-15W,
   46-45N 045-45W, 48-15N 045-45W, 51-00N 047-30W,
   53-00N 049-00W.
3. ESTIMATED ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-00N 049-00W, 56-00N 049-00W, 56-00N 042-00W,
   57-00N 036-00W, 64-00N 033-00W, 66-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE BETWEEN
   50-12N 060-48W AND 48-55N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES:
   A. JOINING 45-45N 060-15W, 45-30N 058-40W,
      46-15N 057-25W, 47-35N 059-15W.
   B. JOINING 48-05N 052-50W, 47-25N 048-35W,
      48-20N 048-50W, 50-30N 051-30W, 52-55N 050-40W,
      55-15N 053-15W, 56-45N 057-50W, 58-00N 058-00W,
      58-00N 058-00W, 60-10N 058-35W, 62-10N 057-00W.
   C. JOINING 62-30N 041-20W, 60-57N 041-32W,
      59-31N 042-50W, 59-00N 041-47W, 58-44N 042-26W,
      59-11N 044-25W, 58-22N 045-10W, 60-00N 048-16W,
      60-45N 047-35W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 11 APR 18.
7. REPORT POSITION AND TIME OF ANY ICEBERGS SEA
   ICE OR STATIONARY RADAR TARGETS THAT MAY LIKELY
   BE ICE TO THE NEAREST CANADIAN COAST GUARD MARINE
   COMMUNICATIONS AND TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. CANCEL THIS MSG 190001Z APR 18.