| No. | Item | Definition |
|---|---|---|
| 1. | anchor | device securing vessel in place |
| 2. | bearing | direction to an object |
| 3. | berth | assigned sleeping space or mooring |
| 4. | bilge | lowest interior part of hull |
| 5. | boarding | going onto another vessel |
| 6. | bow | front of a vessel |
| 7. | bridge | command area of a vessel |
| 8. | bulkhead | interior structural wall |
| 9. | buoy | floating navigation marker |
| 10. | capsize | turn over in water |
| 11. | casualty | person injured or killed |
| 12. | chart | map for marine navigation |
| 13. | cleat | fitting for securing line |
| 14. | collision | crash between vessels or objects |
| 15. | compass | instrument showing direction |
| 16. | course | intended direction of travel |
| 17. | current | continuous water movement |
| 18. | daymark | unlighted navigation marker |
| 19. | deck | floor surface of a vessel |
| 20. | dehydration | harmful lack of body water |
| 21. | dewatering | removing water from vessel |
| 22. | dinghy | small open boat |
| 23. | distress | grave danger requiring help |
| 24. | dock | place for mooring vessels |
| 25. | draft | depth below waterline |
| 26. | ebb | outgoing tidal flow |
| 27. | escort | accompany for protection or control |
| 28. | estuary | tidal river mouth |
| 29. | evacuation | organized removal from danger |
| 30. | fairway | main navigable route |
| 31. | fender | bumper protecting vessel sides |
| 32. | fire | combustion emergency aboard |
| 33. | fix | determined vessel position |
| 34. | flare | distress signaling pyrotechnic |
| 35. | flood | incoming tidal flow |
| 36. | flooding | unwanted water entering vessel |
| 37. | freeboard | height above waterline |
| 38. | gale | very strong wind |
| 39. | gangway | passage between ship and shore |
| 40. | GPS | satellite navigation system |
| 41. | grounding | running aground on bottom |
| 42. | harbor | sheltered water for vessels |
| 43. | hatch | opening with a cover |
| 44. | heading | direction vessel points |
| 45. | helicopter | rotary aircraft used in rescue |
| 46. | helm | steering position or wheel |
| 47. | hull | main body of a vessel |
| 48. | hurricane | powerful tropical cyclone |
| 49. | hypothermia | dangerously low body temperature |
| 50. | icebreaker | vessel built to break ice |
| 51. | inlet | narrow water entrance |
| 52. | intercept | stop and approach a vessel |
| 53. | jet ski | small personal watercraft |
| 54. | keel | central bottom structural member |
| 55. | knot | nautical mile per hour |
| 56. | latitude | north-south position measure |
| 57. | life jacket | wearable flotation device |
| 58. | life raft | inflatable emergency survival craft |
| 59. | lifeboat | boat for emergency evacuation |
| 60. | lighthouse | tower guiding vessels |
| 61. | line | rope used aboard vessels |
| 62. | logbook | official record of events |
| 63. | longitude | east-west position measure |
| 64. | lookout | person watching for hazards |
| 65. | man overboard | person fallen into water |
| 66. | mayday | urgent distress call |
| 67. | mooring | secured anchoring arrangement |
| 68. | nautical mile | marine unit of distance |
| 69. | nearshore | close to the shore |
| 70. | offshore | away from the shore |
| 71. | pan-pan | urgent non-distress call |
| 72. | patrol | regular surveillance mission |
| 73. | PFD | personal flotation device |
| 74. | pier | structure extending over water |
| 75. | port | left side of a vessel |
| 76. | propeller | rotating blades that drive vessel |
| 77. | radar | system detecting objects by radio |
| 78. | radio | wireless communication equipment |
| 79. | range | aligned navigation markers |
| 80. | reef | ridge near water surface |
| 81. | rescue | saving from danger |
| 82. | rudder | steering blade at stern |
| 83. | salvage | recovery of vessel or cargo |
| 84. | search | looking for missing persons |
| 85. | sécurité | safety broadcast warning |
| 86. | shoal | shallow water area |
| 87. | starboard | right side of a vessel |
| 88. | stern | rear of a vessel |
| 89. | surf | breaking waves near shore |
| 90. | survivor | person remaining alive |
| 91. | swell | long rolling waves |
| 92. | tide | regular sea level change |
| 93. | tow | pull a vessel behind |
| 94. | uniform | standard service clothing |
| 95. | visibility | distance one can see |
| 96. | wake | waves left by vessel |
| 97. | watch | assigned duty period |
| 98. | waterline | line where hull meets water |
| 99. | weather | atmospheric conditions at sea |
| 100. | winch | machine for pulling line |