OPLDatabaseFile   Morse CodeA .- J .--- S ... B -... K -.- T - C -.-. L .-.. U ..- D -.. M -- V...- E . N -. W .-- F ..-. O --- X -..- G --. P .--. Y -.-- H .... Q --.- Z --.. I .. R.-. S1 .---- 6 -... 2 ..--- 7 --... 3 ...-- 8 ---.. 4 ....- 9 ----. 5 ..... 0 -----Phonetic alphabet Alpha, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliet, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whisky, X-ray, Yankee, ZulukWind Chill FactorsTemperature (c) v Wind Speed (mph)  -10 -5 0 5 10 15 200 12.78 15.13 17.48 19.83 22.18 24.54 26.891 3.12 6.60 10.07 13.55 17.02 20.49 23.975 -7.31 -2.63 2.06 6.75 11.44 16.12 20.8110 -14.05 -8.58 -3.11 2.36 7.83 13.30 18.7815 -1W8.59 -12.59 -6.59 -0.59 5.41 11.40 17.4020 -21.99 -15.60 -9.20 -2.81 3.59 9.98 16.381P:`.Ar 3pROM::HPDJ500.WDR%P @C:N: @^xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxd @ ,  Beaufort scale'Force Mean Description Wave Max. wave speed height height (knots) (metres) (metres)0 0-1 Calm 0 01 1-3 Light air 0 02 4-6 Light breeze 0.1 0.33 7-10 Gentle breeze 0.4 1 4 11-16 Moderate breeze 1 1.55 17-21 Fresh breeze 2 2.56 22-27 Strong breeze 3 47 28-33 Near gale 5.5 7.58 34-40 Gale 6 8.59 41-47 Severe gale 7 1010 48-55 Storm 9 12.5 11 56-63 Violent storm 11 1612 64+ Hurricane 14Pressure tendencyDescription Pressure tendency#Steady Change < 0.1mb in 3 hours Rising slowly6(falling slowly) Change 0.1 to 1.5 mb in last 3 hoursRising1(falling) Change 1.6 to 3.5 mb in last 3 hours Rising quicly5(falling quickly) Change 3.6 to 6 mb in last 3 hoursRising (falling)7very rapidly Change of more than 6 mb in last 3 hours now falling6(now rising) Change from rising to falling (and vice versa) within last 3 hoursPressure system speedDescription SpeedSlowly Up to 15 knotsSteadily 15-25 knotsRather quickly 25-35 knotsRapidly 35-45 knotsVery rapidly over 45 knotsn Visibility Sea areas: Description Extent of visibility!Good More than 5 nautical milesModerate 2 to 5 nautical miles&Poor 1000 metres to 2 nautical milesFog less than 1000 metres Land areas:Fog 200 to 1000 metresThick fog Less than 200 metresDense fog Less than 50 metresCoastal reports: Mist or haze 1000 to 2000 metresFog Less than 1000 metres!Sequence of weather at cold front.Element In warm sector At passage In the rear6Barometer Falls near front Sudden rise Continuing rise5Wind Backing,squally Sudden veer Steady, decreasing4Temperature Little change Sudden fall Little change4Cloud St,Sc then Cu,Cb Cu, Cb, Fs,Fc As,Ac then Cu*Precipitation Drizzle Heavy rain Showers1Visibility Moderate, poor Poor Improving, goodx!Sequence of weather at warm front1Element On approaching At passage In warm sector2Barometer Steady fall Stops falling Little change3Wind Increases, backs Veers Steady in direction2Temperature Steady, slow rise Rise Little change,Cloud Ci,Cs then As,Ns Low Ns, Fs St or Sc0Precipitation Rain increasing Rain stops Drizzle+Visibility Good Poor Moderate or poorDaytime recognition of vesselsSignal Meaning.Cone, apex down Sailing vessel under powerOne ball Vessel at anchor7Two balls (one over the other) Vessel not under command-Three balls (in vertical line) Vessel agroundABall,diamond,ball in vertical Vessel restricted in its ability toline manoevre>As above, with 2 balls on one Vessels to pass on the side with(side and 2 diamonds the other 2 diamonds6International code flag A Vessel in diving operations8Three balls in a cross Vessel engaged in minesweeping-One diamond Vessel towing or being towed-Cylinder Vessel constrained by draught(Two cones, apex together Vessel fishing:Single cone with fishing vessel Outlying gear > 150 metres8About YachtingYachting is freeware.ZSome entries taken from the Trivia database. Most entries by Chris Walker  A disclaimerThe compiler accepts no responsibility for any harm or damage done to anything or anybody as a result of using information presented in this database, nor do I guarantee its accuracy.  Sound signalsSignal Meaning(One long blast Warning 'Here I come'0One short blast Altering course to starboard,Two short blasts Altering course to port1Three short blasts Operating astern propulsion/Five short blasts What are your intentions?>Two long blasts and one short I wish to pass on your starboardblast side>Two long blasts and two short I wish to pass on your port sideblasts1One long, one short, one long, Yes, you may passone short blast%Five short blasts No, do not pass VHF RadioSea Areas Approximate locationBailey 60N 1230'WBiscay Cromarty 5730'N 2WDogger 55N 2WDover 51N 2WFaeroes 62N 730'WFair Isle 60N 3WFastnet 52N 8WFinisterre 45N 10WFisher 57N 7EForties 5730'N 2EForth 57N 2WGerman Bight 55N 7EeHebrides 58N 730'WHumber 53N 2EIrish Sea 53N 5WLundy 51N 5WMalin 56N 730'WRN Utsire 60N 5EPlymouth 49N 5WPortland 50N 3WRockall 56N 1230'WASE Iceland 63N 1230'WShannon 52N 1230' WSole 49N 10W+S Utsire 5830'N 5EThames 52N 230'E?Trafalgar Tyne 55N 1WViking 60N 2EWight 50N 1W Fog SignalsSignal Meaning:One long blast every 2 minutes Powered vessel underway and making way:Two long blasts every 2 mins. Powered vessel underway, but not making way9One long blast and two short Vessels restricted in theirRed,white,red in vertical line Vessel restricted in ability to manoevre4Single white light Stern light, vessel at anchor,9Two white next to each other, Vessel at anchor (length of)but one higher than the other vessel>50m).Lights for vessel at anchor and Vessel aground red over red!Red over white Fishing vesselGreen over white TrawlerWhite over red Pilot vessel!Red over green Sailing vessel$Three green in a cross Minesweeper!White over white Vessel towing=Three white in vertical line Vessel towing (tow length>200m)+Flashing yellow Non-displacement vessel>2 alternately flashing yellow Fishing vessel with purse seine.Safety equipment neededBailing and Bilge PumpingBHand bailers, Buckets with strong handles and lanyard, Bilge pumpsDetection eqipmentFRadar reflector, Navigation lights, Foghorn, Powerful waterproof torchFire fighting eqipmenttFire blanket, 2 fire extinguishers (1.5kg) Dry powder or (1.5kg) BCF or eqivalent, automatic extinguisher for enginePersonal safety equipment3Life jacket, Buoyancy aid, safety harness, liferaftMan Overboard equipmentDDan buoy, Life belt with drogue, self igniting light, boarding lightGeneral equipmenthTender, various warps for towing and mooring, emergency water supply, large fenders, Large first aid kitClouds%Name Symbol Height (km) Appearance%Cirrus Ci 5.5-14 Wispy, fibrous2Cirrocumulus Cc 5.5-14 thin, granular, rippled&Cirrostratus Cs 5.5-14 milky veil Altocumulus Ac 2-7 globular(Altostratus As 2-7 grey/blue layers,Stratocumulus Sc <2 grey/white patches*Nimbostratus Ns <2 dark grey layered&Stratus St <2 fog like/ layered"Cumulus Cu 0-14 white heaped*Cumulonimbus Cb 0-14 white/black anvil'Fractostratus Fs <2 Broken stratus(Fractocumuus Fc 0-14+ Broken cumulus0TidesMHWS = Mean High Water SpringsMHWN = Mean High Water NeapsMLWS = Mean Low Water SpringsMLWN = Mean Low Water Neaps&Chart Datum = Lowest astronomical tide0Charted depth = Depth of water below chart datum2Charted height (e.g. of tower) = Height above MHWS-Depth of water = Charted depth+Height of tide+Range=Difference between high and low waterRule of twelvths:0Hour after high water Change in height of tide% (as a fraction of the range) 1 1/12 2 2/12 3 3/12 4 3/12 5 2/12 6 1/12Coastal weather stationsName LocationAberdeen E coast of Scotland'Bell rock E of Dundee (in the sea)Benbecula Auto Outer Hebrides/Blackpool W coast of England, N of LiverpoolBoulmer Northumberland Bridlington E coast of EnglandButt of Lewis HebridesChannel L.V. Auto Corsewall Point Near StranraerDover Dowsing Jersey KilloughLands End Tip of Cornwall#Larne West of Northern IrelandLerwick ShetlandFLeuchars Near DundeeMalin Head Most northerly point of IrelandMumbles Near Swansea Orlock Head Prestwick North of AyrRonaldsway Isle of ManRoyal Sovereign South of BexhillScilly Isles of Scilley, SW of CornwallSmiths Toll Auto Spurn Head Near Hull#St Abbs Head NE coast of England!St Catherines Point Isle of Wight\Stornoway Hebrides Sumburgh ShetlandTiree S HebridesValentia W of Ireland1Valley Holyhead ?Varne English Channel!Walton on the Naze Coast of EssexWick N coast of Scotland-Heavy weather check listBelow:All gear securely stowed, easyto cook or pre-prepared food in accessible lockers, storm sails ready, Navigation pre-planned as much as possibleOn deck:9All gear secured,Reefing - lines rigged, Jackstays riggedPeople:1Warm and waterproof, get as much rest as possibleRules of the road+Opposite tacks: Port gives way to starboard%Same tack: Boat to windward gives way-If in doubt, close hauled port-tack gives wayTOvertaking: Any vessel POWER or SAIL has to give way when overtaking another vessel.;Vessels approaching head on: Both vessels turn to starboardIIf another vessel is crossing your path from right to left, you give way.RIf another vessel is crossing your path from left to right, you have right of way.$Buoyage (Lateral buoyage not for US)Buoy Markings Lights'Port hand (when Red Red, flashing arriving)*Starboard hand Green Green, flashing (when leaving).North Cardinal Black over yellow, Continuous" cones pointing up flashingnavigation (good fixes), watch keeping, sun and moon set/rise.BDangers on arrival: Right place?, tides, lights, shipping, harbour:controls, weather, depth, pilot book, pilotage, brief crewMBeaufort weather notation)Weather Beaufort letter Plotting symbolRain r .Drizzle d ,Snow s *%Shower p Triangle (apex down)"Hail h Triangle (apex up)Thunderstorm th R (ish)Squall q Mist m =!Fog f Three horiz. lines#Haze z Horiz. 8 (infinity)6 Light RythmsClassification Abbreviation Fixed FFlashing FlGroup flashing Fl(3) Composite group flashing Fl(2+1)Long flashing LFl Quick QGroup quick Q(3)Very quick VQInterrupted very quick IVQIsophase IsoGroup occulting Oc(3)!Composite group occulting Oc(2+1)@ Light Rythms&Classification Abbreviation Pattern#Fixed F ------------------,Flashing Fl - -4Group flashing Fl(3) - - - - - ->Composite group flashing Fl(2+1) - - - - - -0Long flashing LFl -- --4Quick Q . . . . . . . . . . . . . . . . . .4Group quick Q(3) . . . . . .7Very quick VQ ...................................Interrupted very quick IVQ Isophase Iso Group occulting Oc(3) #Composite group occulting Oc(2+1) e Light Rythms&Classification Abbreviation Pattern#Fixed F ------------------,Flashing Fl - -4Group flashing Fl(3) - - - - - ->Composite group flashing Fl(2+1) - - - - - -0Long flashing LFl -- --4Quick Q . . . . . . . . . . . . . . . . . .4Group quick Q(3) . . . . . .8Very quick VQ ....................................BInterrupted very quick IVQ .. ................. .......Isophase Iso Group occulting Oc(3) #Composite group occulting Oc(2+1)  Light Rythms&Classification Abbreviation Pattern#Fixed F ------------------,Flashing Fl - -4Group flashing Fl(3) - - - - - ->Composite group flashing Fl(2+1) - - - - - -0Long flashing LFl -- --4Quick Q . . . . . . . . . . . . . . . . . .4Group quick Q(3) . . . . . .8Very quick VQ ....................................BInterrupted very quick IVQ .. ................. .......'Isophase Iso ----- -----(Occulting Oc -- ---------- -----0Group occulting Oc(3) -- - - ------- - - --8Composite group occulting Oc(2+1) -- - -- ------ - -- -TidesMHWS = Mean High Water SpringsMHWN = Mean High Water NeapsMLWS = Mean Low Water SpringsMLWN = Mean Low Water NeapsdEquinoctial springs = Spring tides with unusually large range occurinng at the time of the equinoxes&Chart Datum = Lowest astronomical tide9 (Niner) Pennant, four quarters, white, black, red and yellow40 (Zero) Pennant, Vert. stripes, yellow, red, yellowEAbout YachtingYachting is freeware.gBased on the 'Trivia' database. Most entries by Chris Walker (chris.walker@physics.org) A disclaimerThe compiler accepts no responsibility for any harm or damage done to anything or anybody as a result of using information presented in this database, nor do I guarantee its accuracy.VHF Radio distress signal:Check main battery switch ON-Switch set ON and turn power selector to high&Tune to VHF Ch 16 (or 2182 kHz for MF)AIf alarm signal generator fitted, operate for at least 30 seconds2Press transmit button and say slowly and distictlyMAYDAY MAYDAY MAYDAY*This is (name of boat, spoken three times)!MAYDAY (name of boat spoken once)XMY POSITION IS (latitude and longitude, or true bearing and distance from a known point)2Nature of distress (whether sinking, on fire etc.) Aid requiredNumber of persons aboardrAny other important, helpful information (e.g. if the yacht is drifting, whether distress rockets are being fired)OVERSea Areas Approximate locationBailey 60N 1230'WBiscay 45N 4WCromarty 5730'N 2WDogger 55N 2WDover 51N 2WFaeroes 62N 730'WFair Isle 60N 3WFastnet 52N 8WFinisterre 45N 10WFisher 57N 7EForties 5730'N 2EForth 57N 2WGerman Bight 5m5N 7EHebrides 58N 730'WHumber 53N 2EIrish Sea 53N 5WLundy 51N 5WMalin 56N 730'WN Gascogne North part of BiscayRN Utsire 60N 5EPlymouth 49N 5WPortland 50N 3WRockall 56N 1230'WSE Iceland 63N 1230'W7S Gascogne South part of BiscayShannon 52N 1230' W'Skagerak 5830'N 8ESole 49N 10W+S Utsire 5830'N 5EThames 52N 230'E?Trafalgar Tyne 55N 1WViking 60N 2EWight 50N 1WbBeaufort weather notationWeather Letter SymbolRain r .Drizzle d ,Snow s *"Shower p Triangle (apex down)Hail h Triangle (apex up)1Thunderstorm th R (ish) with arrow on tip of R/Squall q As for shower with V on top side.Mist m =Fog f Three horiz. lines,Haze z 8 turned through 90 (infinity) Navigation True Virgins Make Dull Company =)True Variation Magnetic Deviation Compass.Cadet = Add East in going from Compass to TruefConversion factors 1 Cable = 1 Fathom = 1 Chain =1 Nautical Mile =!1 Knot = 1 nautical mile per hourSea Areas Approximate locationBailey 60N 1230'WBiscay 45N 4WCromarty 5730'N 2WDogger 55N 2WDover 51N 2WFaeroes 62N 730'WFair Isle 60N 3WFastnet 52N 8WFinisterre 45N 10WFisher 57N 7EForties 5730'N 2EForth 57N 2WGerman Bight 5m5N 7EHebrides 58N 730'WHumber 53N 2EIrish Sea 53N 5WLundy 51N 5WMalin 56N 730'WN Gascogne North part of BiscayRN Utsire 60N 5EPlymouth 49N 5WPortland 50N 3WRockall 56N 1230'WSE Iceland 63N 1230'W7S Gascogne South part of BiscayShannon 52N 1230' W'Skagerak 5830'N 8ESole 49N 10W+S Utsire 5830'N 5EThames 52N 230'EHTrafalgar 38N 12WTyne 55N 1WViking 60N 2EWight 50N 1WCoastal weather stationsName Location$Bridlington (Br) E coast of EnglandChannel Auto (C) Dover (D) Fife Ness (F) !Greenwich Lt V (G) Jersey (J) Lerwick (L) Shetland0Malin Head (M) Most northerly point of IrelandNRonaldsway (R) Isle of ManScilly auto (Sc) Isles of Scilley, SW of CornwallNStornoway (St) Hebrides Tiree (T) S HebridesValentia (Va) W of IrelandCoastal weather stationsName Location$Bridlington (Br) E coast of England!Channel Auto (C) 49 54'N 2 29'WDover (D) 51 07'N 1 20'EFife Ness (F) 56 17'N 2 35'W/Greenwich Lt V (G) 50 24'N 0 00'WJersey (J) Lerwick (L) Shetland0Malin Head (M) Most northerly point of IrelandPRonaldsway (R) 54 5'N 4 36'WScilly auto (Sc) Isles of Scilley, SW of CornwallNStornoway (St) Hebrides Tiree (T) S HebridesValentia (Va) W of IrelandCoastal weather stationsName Location Bridlington (Br) 54 05'N 0 11'W!Channel Auto (C) 49 54'N 2 29'WDover (D) 51 07'N 1 20'EFife Ness (F) 56 17'N 2 35'W=Greenwich Lt V (G) 50 24'N 0 00'WJersey (J) 49 11'N 2 13'WLerwick (L) 60 09'N 1 08'WMalin Head (M) 55 22'N 7 20'W>Ronaldsway (R) 54 5'N 4 36'WScilly auto (Sc) 49 55'N 6 20'WZStornoway (St) 58 12'N 6 22'WTiree (T) 56 30'N 6 45'WValentia (Va) 51 56'N 10 20'WCoastal weather stationsName Approx. Location"Bridlington (Br) 54 05'N 0 11'W#Channel Auto (C) 49 54'N 2 29'WDover (D) 51 07'N 1 20'E Fife Ness (F) 56 17'N 2 35'WAGreenwich Lt V (G) 50 24'N 0 00'WJersey (J) 49 11'N 2 13'WLerwick (L) 60 09'N 1 08'W!Malin Head (M) 55 22'N 7 20'WBRonaldsway (R) 54 5'N 4 36'WScilly auto (Sc) 49 55'N 6 20'W`Stornoway (St) 58 12'N 6 22'WTiree (T) 56 30'N 6 45'WValentia (Va) 51 56'N 10 20'WCoastguard stationsCoastguard (STD) Phone FAXFalmouth 01326 317575 318342Brixham 01803 882704 882780Portland 01305 760439 760452Solent 01705 552100 551763Dover 01304 210008 202137Thames 01255 675518 675249Yarmouth 01493 851338 852307Humber 01262 672317 606915 Tyne Tees 0191 2572691 2580373Forth 01333 450666 450725Aberdeen 01224 592334 575920Shetland 01595 692976 694810Pentland 01856 873268 874202Stornoway 01851 702013 704387Oban 01631 563720 564917Clyde 01475 729988 786955 Liverpool 0151 9313341 9313347Holyhead 01407 762051 764373!Milford Haven 01646 690909 692176Swansea 01792 366534 369005Belfast 01247 463933 465886Conversion factors 1 Cable =1 Fathom = 1.8288 metres 1 Chain =11 Nautical Mile = 1.1515 statute miles = 1.852 km1 Knot = 1.515 mph = 1.852 kphFormulaeM = miles, m=metres4Distance of horizon (M)=2.072xSQR(height of eye (m))@Distance to radar horizon (M) = 2.21x SQR(height of scanner (m))Horizontal sextant angle:~Radius of position circle (M) = D/(2xsin(A)) where D is distance between objects (M) and A is the angle between them (degrees)Vertical sextant angle:ADistance (M) = 1.854xHeight of object (m)/Sextant angle [minutes)Conversion factors+1 Cable = 240 yards = 0.1185 nautical miles"1 Fathom = 2 yards = 1.8288 metres01 Chain = 11 Fathoms = 22 yards = 20.1168 metres11 Nautical Mile = 1.1515 statute miles = 1.852 km51 Knot = 1 nautical mile/hour = 1.515 mph = 1.852 kphBeaufort scale'Force Mean Description Wave Max. wave speed height height (knots) (metres) (metres)0 0-1 Calm 0 01 1-3 Light air 0 02 4-6 Light breeze 0.1 0.33 7-10 Gentle breeze 0.4 1 4 11-16 Moderate breeze 1 1.55 17-21 Fresh breeze 2 2.56 22-27 Strong breeze 3 47 28-33 Near gale 5.5 7.58 34-40 Gale 6 8.59 41-47 Severe gale 7 1010 48-55 Storm 9 12.5 11 56-63 Violent storm 11 1612 64+ Hurricane 14Pressure tendencyDescription Pressure tendency#Steady Change < 0.1mb in 3 hours Rising slowly6(falling slowly) Change 0.1 to 1.5 mb in last 3 hoursRising1(falling) Change 1.6 to 3.5 mb in last 3 hours Rising quicly5(falling quickly) Change 3.6 to 6 mb in last 3 hoursRising (falling)7very rapidly Change of more than 6 mb in last 3 hours now falling6(now rising) Change from rising to falling (and vice versa) within last 3 hoursPressure system speedDescription SpeedSlowly Up to 15 knotsSteadily 15-25 knotsRather quickly 25-35 knotsRapidly 35-45 knotsVery rapidly over 45 knotsn Visibility Sea areas: Description Extent of visibility!Good More than 5 nautical milesModerate 2 to 5 nautical miles&Poor 1000 metres to 2 nautical milesFog less than 1000 metres Land areas:Fog 200 to 1000 metresThick fog Less than 200 metresDense fog Less than 50 metresCoastal reports: Mist or haze 1000 to 2000 metresFog Less than 1000 metres!Sequence of weather at cold front.Element In warm sector At passage In the rear6Barometer Falls near front Sudden rise Continuing rise5Wind Backing,squally Sudden veer Steady, decreasing4Temperature Little change Sudden fall Little change4Cloud St,Sc then Cu,Cb Cu, Cb, Fs,Fc As,Ac then Cu*Precipitation Drizzle Heavy rain Showers1Visibility Moderate, poor Poor Improving, goodx!Sequence of weather at warm front1Element On approaching At passage In warm sector2Barometer Steady fall Stops falling Little change3Wind Increases, backs Veers Steady in direction2Temperature Steady, slow rise Rise Little change,Cloud Ci,Cs then As,Ns Low Ns, Fs St or Sc0Precipitation Rain increasing Rain stops Drizzle+Visibility Good Poor Moderate or poorDaytime recognition of vesselsSignal Meaning.Cone, apex down Sailing vessel under powerOne ball Vessel at anchor7Two balls (one over the other) Vessel not under command-Three balls (in vertical line) Vessel agroundABall,diamond,ball in vertical Vessel restricted in its ability toline manoevre>As above, with 2 balls on one Vessels to pass on the side with(side and 2 diamonds the other 2 diamonds6International code flag A Vessel in diving operations8Three balls in a cross Vessel engaged in minesweeping-One diamond Vessel towing or being towed-Cylinder Vessel constrained by draught(Two cones, apex together Vessel fishing:Single cone with fishing vessel Outlying gear > 150 metres  Sound signalsSignal Meaning(One long blast Warning 'Here I come'0One short blast Altering course to starboard,Two short blasts Altering course to port1Three short blasts Operating astern propulsion/Five short blasts What are your intentions?>Two long blasts and one short I wish to pass on your starboardblast side>Two long blasts and two short I wish to pass on your port sideblasts1One long, one short, one long, Yes, you may passone short blast%Five short blasts No, do not pass Fog SignalsSignal Meaning:One long blast every 2 minutes Powered vessel underway and making way:Two long blasts every 2 mins. Powered vessel underway, but not making way9One long blast and two short Vessels restricted in theirRed,white,red in vertical line Vessel restricted in ability to manoevre4Single white light Stern light, vessel at anchor,9Two white next to each other, Vessel at anchor (length of)but one higher than the other vessel>50m).Lights for vessel at anchor and Vessel aground red over red!Red over white Fishing vesselGreen over white TrawlerWhite over red Pilot vessel!Red over green Sailing vessel$Three green in a cross Minesweeper!White over white Vessel towing=Three white in vertical line Vessel towing (tow length>200m)+Flashing yellow Non-displacement vessel>2 alternately flashing yellow Fishing vessel with purse seine.Clouds%Name Symbol Height (km) Appearance%Cirrus Ci 5.5-14 Wispy, fibrous2Cirrocumulus Cc 5.5-14 thin, granular, rippled&Cirrostratus Cs 5.5-14 milky veil Altocumulus Ac 2-7 globular(Altostratus As 2-7 grey/blue layers,Stratocumulus Sc <2 grey/white patches*Nimbostratus Ns <2 dark grey layered&Stratus St <2 fog like/ layered"Cumulus Cu 0-14 white heaped*Cumulonimbus Cb 0-14 white/black anvil'Fractostratus Fs <2 Broken stratus(Fractocumuus Fc 0-14+ Broken cumulus-Heavy weather check listBelow:All gear securely stowed, easyto cook or pre-prepared food in accessible lockers, storm sails ready, Navigation pre-planned as much as possibleOn deck:9All gear secured,Reefing - lines rigged, Jackstays riggedPeople:1Warm and waterproof, get as much rest as possibleRules of the road+Opposite tacks: Port gives way to starboard%Same tack: Boat to windward gives way-If in doubt, close hauled port-tack gives wayTOvertaking: Any vessel POWER or SAIL has to give way when overtaking another vessel.;Vessels approaching head on: Both vessels turn to starboardIIf another vessel is crossing your path from right to left, you give way.RIf another vessel is crossing your path from left to right, you have right of way.$Buoyage (Lateral buoyage not for US)Buoy Markings Lights'Port hand (when Red Red, flashing arriving)*Starboard hand Green Green, flashing (when leaving).North Cardinal Black over yellow, Continuous" cones pointing up flashingnavigation (good fixes), watch keeping, sun and moon set/rise.BDangers on arrival: Right place?, tides, lights, shipping, harbour:controls, weather, depth, pilot book, pilotage, brief crew Light Rythms&Classification Abbreviation Pattern#Fixed F ------------------,Flashing Fl - -4Group flashing Fl(3) - - - - - ->Composite group flashing Fl(2+1) - - - - - -0Long flashing LFl -- --4Quick Q . . . . . . . . . . . . . . . . . .4Group quick Q(3) . . . . . .8Very quick VQ ....................................BInterrupted very quick IVQ .. ................. .......'Isophase Iso ----- -----(Occulting Oc -- ---------- -----0Group occulting Oc(3) -- - - ------- - - --8Composite group occulting Oc(2+1) -- - -- ------ - -- -TidesMHWS = Mean High Water SpringsMHWN = Mean High Water NeapsMLWS = Mean Low Water SpringsMLWN = Mean Low Water NeapsdEquinoctial springs = Spring tides with unusually large range occurinng at the time of the equinoxes&Chart Datum = Lowest astronomical tide9 (Niner) Pennant, four quarters, white, black, red and yellow40 (Zero) Pennant, Vert. stripes, yellow, red, yellow