航海英语甲类真题.doc

1 /14 航海英语 55 期试卷代号 903 will find information about the duration of slack water in the ______. Current Tables Tables S Directions a buoy is in position only during a certain period of the year , where may the dates when the buoy is in position be found? List to Mariners the chart Pilot the transmissions ofa radio station have broken down , switched off or suspended , it is ______. down power air area of the earth cannot be shown ona standard Mercator chart? including both North and South latitudes and South Poles narrow band along the central meridian. maximum difference between mean time and apparent time is ________ . to the longitude expressed in time units 16 minutes difference between the GHA of mean sun and the first point of Aries ° of arc depth is the ______. distance from the chart sounding datum to the ocean bottom , plus the height of tide distance from the chart sounding datum to the ocean bottom of water over a specified period of time height of all low waters ata place are changes on charts due to changes in Hydrography, topography, construction, removal or addition of dangers to navigation etc. edition edition corrections data navigational warnings are ofa temporary nature , but others remain in force for several months or may be eeded by ______. to Mariners Directions of Lights and Signals to Port Entries to old data of the survey the positions and number of the beacons shown on this chart are not to be ______. upon of ment , estimate or guess in your Logbook , but ________ only . specifications facts descriptions details Mas