NAVAREA II 133/21
MADEIRA - CANARIAS. 
1. OCEANOGRAPHIC SURVEY FROM 30 MAR TO 21 APR 21 BY R/V HESPERIDES
   TOWING 1000 METRE LONG CABLE IN AREAS BOUNDED BY:
   A. 30-52N 018-10W, 32-07N 013-35W, 
      29-13N 013-35W, 29-00N 014-00W,
      29-00N 018-10W.  
   B. 28-53N 017-43W, 28-59N 016-17W, 
      28-38N 016-19W, 28-13N 017-21W. 
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 220100 UTC APR 21.