OUPV PRACTICE TEST- NAVIGATION GENERAL|UPDATED&VERIFIED|100% SOLVED|GUARANTEED SUCCESS

the term slackwater during a tidal change means little or no movement of water when heading into a channel and the two range lights are in line line you should keep your course you observe a buoy mark having a green and red horizontal bands. what light characteristic will it have? composite group flashing the direction of the earth's surface wind is deflected by the earths rotation your vessel's position should be plotted using bearings of fixed known positions on land which buoys may be lettered and not numbered preferred channel buoy spring tides will produce higher highs and lower lows than normal you must assume when using a buoy as an aid to nav. the buoy may not be in the charted position the "local notice to mariners" provides corrections of local nature to charts and is published weekly the term "tide" means vertical movement of the water when plotting a voyage never rely on a floating buoy to be on station as charted the difference in height between high tide and low tide range of tide from seaward the IALA Region B red and green horizontally- banded buoys refer to preferred channels determining the heights of land features on most charts unless otherwise stated the reference datum is mean high water red or green lights may appear on horizontally banded buoys the depth of the water on a chart is the vertical distance from the chart sounding datum to the ocean bottom north hemisphere wind which shirts in a counter clockwise motion is called backing wind a vessels position acquired by using atleast 3 or more bearings are called a fix mean lower low water if the reference plane used for sounding on the US east and west coasts a single line of position combined with a DR position results in estimated position the sun and moon align twice each month what type of tides can be expected spring buoy marked with composite group flashing light indicates a preferred channel on the US east and west coast charted depths are taken from lower low water levels weather forecast expects a "backing" wind. In the northern hemisphere, this would indicate that shift in a counter clockwise direction what type of tides occur when the sun and moon are at right angles to eachother neap if lighted preferred channel bouy will show a composite group flashing(2+1) red or green light the length of a lunar day is 24 hr. 50 min.(about 50 minutes longer than usual) a weather forecast expects a veering wind in NH this would indicate a shift in clockwise direction to determine the depth of the water you should apply what to your depth finder reading? add draft of the vessel a local wind during the day owing to the wind heading up is a sea breeze