handling heavy weather - usna heavy weather presented by-ralph naranjo. when to set storm sails 35...
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Handling Heavy WeatherHandling Heavy WeatherPresented by-
Ralph Naranjo
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When to set storm sailsWhen to set storm sails
35 KNOT RULE OF THUMB
•GALE STRENGTHENING
•SEA STATE
•NIGHT APPROACHING
•CREW CONDITION
•SAVE THE MAIN
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Stay ahead of the sea state Stay ahead of the sea state
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Headsail selectionHeadsail selectiontrue wind speedtrue wind speed
#1 to 12 knots#2 to 18 knots#3 to 25 knots#4 to 35 knotsStaysailStorm jib
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Reefing skillsReefing skillsClew lashing
called anearring
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Reducing sail areaReducing sail area
De-power mainsailEase vangEase halyardSet new tackHaul in clew Tie reef pointsLash clew (earring)Trim
New tack point
attached to reefing hook
Halyard eased to lower the head of the
mainsail
Lash new clew earring
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Ready for the next sail changeReady for the next sail change
•Powered up in the lulls feather through puffs
•Excess heel slows boat and fatigues crew
•Can’t afford to damage the main
•Must be good to get away with reefing late
•Can’t win if you don’t finish
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Matter of RecordMatter of Record
Fastnet 79Hobart 98Cape Hatteras HistoryTransoceanic racesEvolution of open 60s
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Vessel attributesVessel attributesStabilityStructural integrityRudderRigRugged keel attachment
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Inspections and expectationsInspections and expectations
ISAF cat I scrutinyThe politics of ISOThe absence of ABSGeriatric GRP Standard industry practice
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A structural clean Bill of HealthA structural clean Bill of Health
Core bond, voids, delaminationHull/deck jointKeel attachmentChainplatesMaststepRudderRigRigging
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TacticsTactics
•Dictated by the wind and sea
•Influenced by your track and the storm’s track
•Contingent upon what the crew and vessel can handle
•Effected by the duration of heavy weather
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Heavy weather alternativesHeavy weather alternatives
Reef and run– Bare pole– Tow drogue
Working to windward– Climb and drop ordeal
Heave toDeploy a sea anchorLie a hull
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Setting storm sailsSetting storm sails
Inner forestay and running backstaysPiston hank storm jibSeparate storm trysail trackHigh disp/sail area skews storm sail calculationdouble sheet storm trysail and eliminate boom
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Wind and sea geometryWind and sea geometry
Note the wind and swell offset angleAvoid being beam on to largest seasPlot location of WX system and movementSail away from worst part of stormEstablish if weather is worsening or improving
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When a race becomes survivalWhen a race becomes survival
Waves rather than wind dominateHarness use is imperative (PFD)Steer to minimize boat damageAnticipate knock downs (gear stowage)Short watches (helmsman and wave watcher)Communicate position and situationClothing, knife, whistle, strobe
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•Morgan OI – 41
•Fall Gulf Stream
•Vessel abandoned
•Vessel recovered
•Lessons learned
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CommunicationsCommunicationssearch and rescuesearch and rescue
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Equipment familiarizationEquipment familiarization
VHFSSBEPIRBSat PhoneInmarsatCellular PhoneAviation VHF
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Crew familiarizationCrew familiarization
Emergency operation
–Securite–Pan-pan–Mayday
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Escalating needsEscalating needs
Shore side contactRoutine position/situation reportsShip-to-ship, ship-to-shorePotential hazardDeveloping situation In extremis
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Electronics and waterElectronics and water
Above and below deck optionsMaintenanceAntenna’s, ground planes and connections
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406 EPIRB406 EPIRBTrain the crew about its usePosition it strategicallyCheck registrationAdvise contacts of your itineraryMotion, spray and physical contact
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Abandon ShipAbandon Ship
Factors involved in the decision making processHave all reasonable alternatives been exhaustedThe step up into the raft ruleTransfer crew and vital gearThe transitional danger
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Search and RescueSearch and Rescue
Summoning help starts before you abandon shipPortable communications equipmentSignaling gearA needle in a barn full of haystacks
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SAR processSAR process
EPIRB signal or Mayday receivedUSCG calls to validateShip or air asset deployedRender assistance or evacuate crew
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SOLAS FlaresSOLAS Flares
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Ship RescueShip RescueDanger in coming alongsideDifficulty in climbing Jacobs ladderNearly impossible in heavy weatherUse of harness
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Helicopter evacuationHelicopter evacuation
Communicate with handheld VHFDeploy smoke canisterPrepare for 75 knot rotor washIt’s likely that a swimmer will be deployedStatic charge and grounding lineDo not tie off basket line
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Medical issuesMedical issues
Trauma - bleeding – respiratory issuescardiac problems - infectionHypothermiaCold water shock response
CPR courseFirst aid trainingGood medical kit
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Self reliance versus being in the Self reliance versus being in the hands of othershands of others
modern approach to survival– Remain afloat but at the whim of the wind and sea– Communication is essential– Anticipate rescue process
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