North american ice service (nais) iceberg bulletin 220001Z apr

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS) ICEBERG BULLETIN
   220001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-12N 052-55W, 45-45N 047-00W, 46-15N 046-00W,
   47-30N 044-45W, 48-15N 044-45W, 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,
      53-40N 052-15W, 56-40N 058-30W,
      58-00N 059-00W, 59-50N 059-55W, 61-45N 057-15W.
   C. JOINING 62-29N 041-54W, 62-07N 041-27W,
      60-21N 042-15W, 59-46N 043-04W,
      59-06N 045-03W, 59-21N 046-41W,
      60-21N 047-45W, 60-46N 046-58W.
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 230001Z APR 18.