HYDROPAC warnings in force 160800Z apr 11

Original warning text

1. HYDROPAC WARNINGS IN FORCE 160800Z APR 11. ONLY THOSE
   WARNINGS ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   2011 SERIES: 720(62), 769(GEN), 772(74), 799(63), 826(63),
   838(97), 850(GEN), 887(74), 904(21), 910(63), 919(63),
   929(71), 941(63), 943(71), 948(62), 961(76), 964(71,93),
   966(94), 967(94), 968(97), 969(94), 973(63), 985(76), 989(93),
   990(61), 991(62,63), 1004(62), 1023(63), 1028(63), 1032(93),
   1036(GEN), 1043(97), 1044(74), 1058(83), 1065(93), 1066(93),
   1075(17), 1076(63), 1087(81), 1091(71), 1101(61), 1112(63),
   1114(74), 1119(93), 1120(62), 1123(76), 1125(93), 1127(62),
   1134(63), 1135(93), 1136(63), 1137(62), 1140(83), 1143(96),
   1144(95,96), 1145(63), 1146(63), 1147(63), 1149(63),
   1152(22), 1154(95), 1155(95), 1156(95), 1157(95), 1158(95),
   1159(95), 1160(93), 1161(97), 1162(95,96), 1163(63),
   1164(63), 1167(21), 1168(21), 1169(21), 1170(95,96),
   1172(63), 1173(61,63), 1174(94).
2. THE SUMMARY OF ALL HYDROPAC WARNINGS IN FORCE AS OF
   16 DEC 2010 IS GIVEN IN SEC III OF NM 52/10. WARNINGS ISSUED
   DURING THE SUBSEQUENT QUARTERS ARE SUMMARIZED IN NM 13/11.
3. CANCEL HYDROPAC 75/10, 306/10, 2797/10, 2860/10, 2862/10,
   1061/11, 1080/11, 1095/11, 1097/11, 1106/11, 1110/11,
   1117/11, 1132/11, 1153/11, 1165/11.