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TECHNICAL LIBRARY
SAFETY & SURVIVAL

Abandoning Ship
Attitude
Being Towed 
CO Poisoning
Crossing a Bar
Deck Sense 
DSC
EPIRBs
 Fire
Fire Extinguishers

Mobile Phones
Rescue

SAR Forms
Safe Clearances

Safety Watch
Sailing Safety
Stay with the Boat
Survival Overview
Survival Gear
Survival Times

Footwear
Heaving To
Hypothermia
Lifejackets 

Lookout
Lightning

MRSS
 
Medical Kits

Library Catalogue

SURVIVAL GEAR
S&S Topics
     Knowing beforehand the contents of the life raft is important when the raft has to be used in anger. Not only that but knowing how to use equipment can make the difference between surviving and perishing prematurely. The following advice is not exhaustive but it will be worth knowing if the time ever comes.
    Sea Anchors are used to reduce drift and keep the life raft as close as possible to the most likely reported position of the stricken parent vessel. This vastly improves the chances of rescue and thus the sea anchor(s) should be streamed continuously. Frequent inspections of the sea anchor, the line and the attachment point(s) are necessary.
     Buoyancy tubes of the liferaft will need to be adjusted to allow for the different temperatures between night and day. If the life raft is fitted with relief valves they will allow air to escape during the heat of the day. Consequently at night they need to be re-inflated.
     Marker Dye should be used according to instructions only when an aircraft is seen or the noise of an aircraft is heard.
     Grab Bags can be either individual or crew based. Their purpose is to supplement and / or personalise an emergency kit. The contents will probably vary depending on the likely conditions. Care must be taken in deciding the contents and consideration should be made of the bag's weight, size and accessibility in an emergency. Likely items for inclusion are Spectacles, Medication, Water and / or Solar Still, Waterproof Matches, Magnifying Glass, Space Blanket, Fishing Tackle, Plastic Bags and Rope.
     Heliograph or signalling mirror is simply a piece of mirrored glass or shiny metal - about 10cm square, preferably with a small 5mm hole etched or cut from the class and cut from the metal in the geometric centre. The only other requirement is a visible sun. To use it hold the heliograph just in front of an eye with the reflective surface available to the sun. With the other arm extended look through the aperture and aim the reflected sunlight at the tip of an extended finger. Keeping the reflected light on the finger tip move the extended hand so the finger tip is towards the aircraft or thing being signalled. Very small movement of the mirror will cause a flashing at the object being signalled. This signal can be seen up to about 30Km in good conditions.
     Flares & Rockets need judgement in when to use them. Flares can be seen up to 8Km by day and 16Km by night. Rockets have even greater range much depending on whether the sighting vehicle is airborne or on the sea. Operating instructions should be carefully read and understood before the need to use them arises. Care must be taken to avoid damage to the raft when firing any pyrotechnic device. When flares or rockets are in short supply the decision to set a device off could depend on the aspect of the target. For example if it is a ship and has only the stern showing a flare is not likely to be seen. If ships or aircraft are seen to alter course towards the raft fire a further signal.

HEAVING TO
S&S Topics
     There are various ways to cope with extreme weather in a sailing craft at sea with a variety of opinions on what is best. Two methods stand out for the times when the extreme conditions cannot be avoided. The first is to be far enough away from land to be able to stow all sails, secure everything on deck, stream a sea anchor, make the boat water tight ant go below to wait until conditions get better.
     The next method is to heave to which is a method of using a minimum amount of sail to slow and / or maintain a constant side pressure on the boat. Usually the headsail is backed to counteract the pressure of a reefed mainsail, trisail and / or mizzen. If chafing of the headsail against the weather shrouds can't be avoided it will have to be lowered. The only consequence is likely to be that the vessel will sit with the bow a little closer to the wind. The tiller will usually be lashed to leeward.
      The angle of the boat to the wind will vary but something around 50-60 degrees is about right. The aim is to get the boat to drift slowly downwind. All angles of sailing can be quickly resumed and the crew can rest safely below. The use of a properly streamed drogue or sea anchor can further reduce the downwind drift. Boats using this technique have suffered knockdowns and lost gear from the deck but they have survived. To prepare for such an eventuality the prudent cruisers will have their mainsail strengthened above the highest reefing points.

S&S Topics
MEDICAL KIT
     The number of items in a first aid medical kit will depend on the type of trip being done, the area of operation and the proximity of assistance in the event of a medical problem. Naturally for those venturing further from home the medical kit should be more extensive. The following list contains items that could be needed for periods of up to a week.
                Asprin / Panadol / Panadeine          UV Filter Cream        Antiseptic Creams / Solutions
                Crepe Bandages (75-150mm)           Cotton Wool                Swabs & Dressings
                Seasickness Tablets                          Torniquet                    Bandaids & Sticking Plaster
                Burns Ointment                               Scissors                        Safety Pins
                Diarrhoea Pills                                Forceps                        Sutures / Butterfly Clips
                Thermometer                                   Eye Pads / Patches      First Aid Book

     There is also a range of prescription medicines that should be carried on extended voyages - and for these there will be regulations for their storage and / or use. The amount and quantities carried for each item depends of the extent of the voyage and the life of the item. All first aid items should be stored in waterproof containers with the contents listed on the outside.

S&S Topics
DECK SENSE

     When working on the deck of a boat particularly in rough conditions, at night or poor visibility there are a number of precautions to be taken to reduce the risk of falling overboard and especially to be unnoticed doing so. The following advice is useful
        Wear a lifejacket or other suitable flotation device.
        Have safety lines rigged and wear a harness whenever possible.
        Let someone know if you go on deck.
        Be alert on deck - watch for potential hazards such as coils of rope, loose untied rope, loose fittings etc.
        Keep hands out of pockets - free to grab for a rail if you fall.
        If possible work on deck in pairs.
        Be selective in clothing - woollen garments and waterproof outer layer increase survival chances if you do
               fall overboard.


SURVIVAL TIMES
S&S Topics
The charts below give a guide to a person's survival time in Australian waters during Summer & Winter. No allowance is made for either physical or mental condition - including possible injuries. Nor can any allowance be made for the type or condition of any flotation device and of the type of clothing worn. The times are a broad guide only given the temperatures shown based on average survivors.

STAYING WITH THE VESSEL
S&S Topics
     There are several critical decisions to be made when abandoning a vessel. The first is the time to go. There are many recorded cases of an abandoned vessel being found with no trace of survivors. A valid piece of old salts' advice is : 'Never step down into a liferaft'. This means be very careful of abandoning too early.
     Having left the mother vessel the survivors should do all in their power to stay with it until it actually sinks. This advice applies to any stricken craft whether a long way from shore or in a situation where help is much closer. Staying with the parent craft makes the task of the rescuers infinitely easier. The bigger the target for rescuers the easier it is to find both visually and electronically. Even a semi-submerged craft provides a more sustainable life support system than a liferaft. In addition the drift of a disabled boat is much easier to predict than that of a liferaft - thus making a search less complicated. This means that once detached from the mother vessel the sea anchor or drogue should always be streamed and a careful check made to ensure there is no resultant chafing.
                          STAY WITH THE VESSEL FOR AS LONG AS POSSIBLE

FOOTWEAR S&S Topics
     The time will come for most crew where maintaining a secure footing is vital for the safety of both the individual and the boat. Furthermore there are many many fittings on boats that jump up and / or out and bang crew on the body and especially the feet. While there are many measures that will keep items from damaging feet the most effective by far is to wear a suitable pair of shoes or boots.
      Although cumbersome waterproof boots which give extra ankle support will be best then down the scale are various waterproof shoes and when the boat will be "dry" any other shoes. Naturally any footwear needs to be both anti-slip on a wet deck and non marking. An excellent dry shoe is the Dunlop Volley SS sandshoes - which grip like glue, dry fairly quickly and make excellent reef walkers - good for going to a rocky shore in the dinghy too! They are cheap and the only vice they have is to bring back lots of sand and / or dirt back on board.

RESCUE ?

EPIRB CARE & USE S&S Topics

#      Familiarise all crew with the operation and procedures relating to the unit(s) on board.
#      Make sure the beacon is satellite compatible.
#      Use the test switch about once a month to verify power.
#      Ensure the EPIRB container is not damaged. Batteries should be within their shelf life and changed at the         manufacturer's date.
#      Place the EPIRB(s) in an accessible location - either in the cockpit or close to the cockpit in the companionway.

When Activating
*      Release the aerial and, if telescopic extend it fully.
*      Activate the ON switch in a positive manner, making sure to override any blocking mechanism fitted.
*      Use the water as a reflector and allow the EPIRB to float free to the length of the attached line.
*      Take the beacon with you if you leave the raft.
*      Once it is ON then Leave It ON - until rescue authorities advise you to turn it off.
*       If accidentally turned on contact the Rescue Co-ordination Centre ASAP.

For more information see the longer item on ERIRBs

LOOKOUT

      A vital part of collision avoidance is in seeing another vessel first before being able to decide what is to be done. Road accident records are full of drivers who "did not see" the other vehicle & on many occasions it will be perfectly true. Seeing another object is by no means automatic and in some circumstances an object will not be seen unless natural deficiencies of the brain and eye are actively compensated for. Factors which stop an observer's brain from registering an object include
            Tiredness and lack of concentration by the observer,
            Poor eyesight of the observer not compensated with glasses,
            No relative motion between the observer and the object,
            Poor visibility at night, in rain, haze and strong wind,
            Tendency of the eye to focus on infinity in open spaces,
            Poor looking techniques at night when the capability of the eye's rods & cones change.
     An awareness of these limitations coupled with some active measures to compensate is usually all that is needed. This certainly means that the act of searching for a threat or other object needs to be an active planned process especially when there is little that can be done about tiredness. The following techniques are required
           *  Wear glasses with a safety strap on watch - many people need distance glasses without realising it,
           *  Have binoculars handy and use them from time to time during an arduous watch,
           *  Force the eyes to change focus by consciously looking at things at different distances,
           *  At night you won't see a faint object by looking directly at it - look away by about 10 degrees or so,
           *  Scan to a pattern to cover the whole area with more time looking in the greatest threat zone - forward                         sector,
           *  Scan small segments at a time, move the head, pause and scan again etc. Do NOT move the head  in                    a continuous fashion while scanning around the horizon.

            For more relevant information see the item on Vision and the Vision item in the Crew Fitness section.


BEING TOWED
S&S Topics
    The time may come when a sailing vessel needs to be towed - when aground or with a disabled engine when sailing is not safely possible. On such occasions the rescuing vessel may not have skilled crew on board. The skipper of the vessel being rescued will need to accept responsibility for the tow and particularly for any damage caused. Therefore this skipper should be responsible for the arrangement of the towing rig. Where the rescuing crew are experienced, common sense dictates that all decisions are made with consultation both ways.
     The crew to be towed should make as many advance preparations as possible. Decide the best towing points. If the vessel is not fitted with a strong towing point forward a bridle from both main winches should be made ready; it should run forward to the bow to a position where the tow line can be attached. Prepare lines and fenders, determine how the tow line should be passed, get communication devices ready (radios, loud hailer, mobile phone), make a drogue ready, make tools ready (e.g. sharp knife, bolt cutters, pliers). Have writing materials handy - for taking down details of rescue vessel such as mobile phone number. Prepare and don emergency gear (life jackets and harnesses) when the tow is to be in difficult conditions - such as in rough weather, at night or when a bar has to be crossed.
     When the tow arrives make sure you & your crew understand any requirements of the rescuing vessel. Make sure the rescue crew are aware of your draft - especially when it is more than their own. When the tow line is secured do not allow any crew to stand in a direct line with the tow line under tension. Have one crew designated as the tow watch being prepared to dump / cut the tow if a dangerous situation arises on either vessel. All other crew should be positioned as far aft as safely possible. Agreed communications should be monitored. Be prepared to steer if available to follow the towing vessel. - but usually taking the advice of an experienced towing crew in this regard. Where the tow is to be in conditions of significant swell rig a long tow line so that the two vessels are at least two waves apart - especially when crossing a bar.
     Do not expect to be towed all the way to your optimum location. When nearing the tow drop site have anchor prepared or lines ready to take a mooring or tie up at a jetty. It will be common courtesy to reimburse the towing vessel for at least the fuel expended.
     For other information see more about Towing.

SEARCH & RESCUE DETAILS
     Every vessel skipper should ensure that appropriate details of the vessel and the skipper's intentions should be left with a responsible person on shore who can raise an alarm if post voyage contact is not made by a reasonable time.  The best method is to notify a land based agency of these details by radio, phone or any other means of these details.  Coastal Patrols and Coastguards are set up for just this purpose and they can be best contacted by either 27Mhz or VHF radio as the voyage is begun. The next best method is to leave appropriate details with either family or friends who would contact the Police if there is no contact by the nominated time..
     Information required is Vessel Description, Intentions, Persons on Board (POB) & Estimated Time of Return (ETR). The pages below show the full range of useful information that should be left behind.  Larger scale images of each page can be downloaded to make individual single sheets which can then be laminated back to back and kept on the frig.  Details for each trip can then be inserted using a fine whiteboard marker.
S&S Topics
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