8 BUOYS, LIGHTS AND MARKS 56 Cardinal marks


IALA ‘A’ Buoyage system IALA ‘B’ Buoyage system Sectored lights


9 NAVIGATION


Latitude and longitude Nautical mile The compass Basic chartwork Position finding Setting a course


Tides


How tides occur Tidal range


Allowing for tides Fair or foul tide Bow tide


Electronic instruments


Global Positioning System GPS functions


Understanding datums Electronic cartography Chart plotting hardware


Radar


How radar works Beam width


Bearings and range


Position by range and bearing Echo sounders & fishfinders Belt and braces navigation Unmarked rivers


10 WIND AND WAVES Global weather


Depressions


Depressions – what to expect Anticyclones


Fog


Advection fog Valley Fog Fog tactics


56 57 58 59


60 60


61 62 62 62 63 63 63 64 65 66 67


Stream rates – ‘rule of twelfths’ 67 Passage planning


68 68 68 69 69 70 70 71 71 71 72 72 72 73 73


74 74


75 76 77


Sea breezes and land breezes 77 Thunderstorms


78 78 78 78 79


11 WHEN THE GOING GETS ROUGH 80 Working with the waves


Motoring downwind Motoring upwind


12 EMERGENCIES Using VHF


PAN PAN


Digital Selective Calling (DSC) Other distress signals Man overboard (MOB) When you see him go


In darkness or poor visibility Search pattern


Effects of stream and wind Recovering the MOB First aid for the MOB


Flooding Fire


What extinguisher and when Engine fires Galley fires


Clothes on fire


Abandoning ship Jump and swim Take to the dinghy Beaching


Launching the liferaft Helicopter rescue Lifeboat rescue RIB rescue


13 RUNNING REPAIRS Tools and spares


Tool kit


Engine spares Electrical spares


Bleeding the fuel system Engine fault finder


82 82 83


84 84


84 85 85 86 86 86 87 87 88 88 89 89 90 90 90 90 91 91 91 91 92 93 94 94


95 95


95 96 96 96 98


14 OUR OBLIGATIONS TO OTHERS 102 Solas V


Lifesaving Signals


GLOSSARY 109 INDEX


111


102 105


RYA Seamanship for Sea Anglers


5


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