North american ice service (nais) iceberg bulletin 210001Z apr

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS) ICEBERG BULLETIN
   210001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-03N 052-58W, 46-15N 047-00W, 46-15N 046-00W,
   47-30N 045-00W, 48-15N 045-00W, 51-00N 047-00W,
   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 45-35N 060-40W, 45-30N 058-40W,
      46-00N 058-05W, 47-35N 059-15W.
   B. JOINING 48-05N 052-55W, 47-30N 049-15W,
      48-30N 048-55W, 49-40N 051-20W, 53-20N 052-10W,
      56-30N 058-30W, 58-00N 059-00W, 60-00N 060-05W,
      61-45N 057-15W.
   C. JOINING 62-28N 041-37W, 59-46N 043-18W,
      59-39N 044-11W, 59-02N 045-04W, 59-20N 046-43W,
      60-20N 047-46W, 60-46N 046-56W.
6. MOST RECENT RECONNAISSANCE:
   EASTERN LIMIT ICEBERG FLIGHT 19 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 220001Z APR 18.