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Topic: Heliair

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	Breathing gas - Wikipedia, the free encyclopedia
		Heliox is a mixture of oxygen and helium and is often used in the deep phase of a commercial deep dive.
		Heliair is a mixture of oxygen and nitrogen and helium.
		Trimix, Heliox and Heliair are used to create typical hypoxic mixes and are used in technical diving as deep breathing gases.
	en.wikipedia.org /wiki/Breathing_gas (1655 words)

	www.diveoz.com.au - Regular Column by By Richard Taylor - TDI Australia (Site not responding. Last check: 2007-10-09)
		Heliair is also Trimix, but made up of Helium and then adding Air, air being 21% oxygen and 79% nitrogen.
		If using Heliair, the ratio of oxygen to nitrogen would always be constant at 21:79 or about 1:3.8.
		Heliair is easier to make than desired Trimix, but will generally mean that your selection of mixes is limited, resulting usually in longer decompression times or a higher narcosis factor.
	www.diveoz.com.au /regular_articles/readit.asp?p=1&a=2 (711 words)

	Re: 50-50 HeliAir vs other HeliAir mixes (Site not responding. Last check: 2007-10-09)
		50-50 HeliAir, which is the equivalent of 11/50 Trimix, works to 260 fsw and is most applicable for an MOD range of 240 to 260 fsw.
		The main benefit of HeliAir, besides being easy to mix, and easy to test with just an oxygen analyzer, is that it contains lower partial pressures of oxygen than conventional trimixes do.
		HeliAir has however a higher content of "inert gas" in terms of helium and nitrogen, therefore slightly longer deco times can be expected than with more oxygen rich trimixes.
	www.diver.net /bbs/messages4/37565.shtml (346 words)

	NAUI Technical Dive Courses
		Gradates are considered competent to plan and execute extended range dives that require stage decompression and utilize Air, Helitrox, Heliair and EANx for bottom gases and Helitrox, EANx or Oxygen for stage decompression.
		This course provides training and experience necessary to understand the hazards of utilizing Heliair for dives to a maximum depth of 180 fsw (55msw) that require stage decompression utilizing EANx mixtures and/or oxygen during decompression.
		Gradates are considered competent to plan and execute extended range dives that require stage decompression and utilize Heliair and EANx.
	www.technicaldiveinstruction.com /training/nauiteccourses.htm (901 words)

	DIVERNET - Technical Q and A - August 2001 (Site not responding. Last check: 2007-10-09)
		Trimix and heliair are the same insofar as both contain three constituent gases: oxygen, helium and nitrogen.
		Heliair is mixed by putting helium in the cylinder and simply topping off with air.
		The advantage of heliair is that the mixing is easier.
	www.divernet.com /technique/0801techqa.htm (1381 words)

	Gas Menu
		The use of staged Nitrox 70 and Oxygen was considered to be OK as we were going to have a good team of support divers, so it was decided to make full use of this and use a 4 gas decompression schedule.
		The HeliAir 9/57 gave an acceptable maximum END (Equivalent Narcotic Depth) of 46m on the seabed at 120m and it kept the ppO2 down to 1.17 resulting in low OTU and CNS loading, which we knew was going to cause problems during the decompression.
		The HeliAir 17/19 used as travel and 1st deco gas and the Nitrox 40 used as the 2nd deco gas were selected to balance the quantity of each used.
	website.lineone.net /~britannic98/prep/gasmenu.htm (495 words)

	Gas Logistic for Oxygen-, Nitrox-, Trimix- & Heliox-Diving
		Heliair is filled with a quite normal compressor.
		In its inlet a constant Helium flow is injected and so mixed with the fresh air to a normobar Heliair that than is "inhaled" by the compressor.
		Heliair normally means first decanting Helium into the bottle until a precalculated pressure is reached and than toping with (oil free) Air to the requested value.
	dg8fz.dyndns.org /~karl/dg8fz/rebreather/gas_logistic.htm (1461 words)

	Alp-Maritimes Sports - Updates
		The first is a comparison of enriched air and enriched heliair deco diving, with a switch to 80% oxygen at 20 fsw.
		Overall the enriched heliair deco schedule for the dive is shorter than for the enriched air.
		In the enriched heliair case, ZHL deco time is 39 min versus 19 min above, and in the enriched air case, ZHL deco time is 33 min versus 22 min above.
	www.technicaldivingops.com /pages/updates.html (14085 words)

	diluant
		Other good point with heliair is that you only need an oxymeter to know the exact content of your tanks.
		I do not use heliox because I just can not easily reach 250 bars with helium and oxygen tanks; with heliair, no problem.
		So you can guess that I would use air as diluant down to 40 meters, heliair 14/33 from 40 till 60 meters, 10/50 from 55 till 85 meters, 8/62 from 75 till 110 meters, and deeper, rather 6/72.
	www.watalibi.com /diluant.htm (414 words)

	ScubaBoard - Heliair??? - ScubaBoard (Site not responding. Last check: 2007-10-09)
		HeliAir is a mixture of Helium and Air.
		Even though air is a great gas for breathing on land, the ratio of 21%/79% is less than ideal for diving and as depth increases the shortcomings become more apparent.
		Heliair, by virtue of containing this same ratio will not contain ideal mixes for any depth.
	www.scubaboard.com /t60578.html (436 words)

	Cortina d'Ampezzo, Dolomiti.org
		Heliair company organizes a new shuttle service to connect Venice to Cortina.
		Heliair base is located at the Venice airport "Marco Polo", where is always available an helicopter shuttle service also to connect all national and international flights arriving at the airport.
		For booking the service you can ask directly at the Heliair desk located in the arrivals area of the airport (Phone 041 2699138 - Fax 041 2698897).
	www.dolomiti.org /dengl/CORTINA/cnews/showNews.html?recordid=34341 (181 words)

	Heliair Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-09)
		Looking For heliair - Find heliair and more at Lycos Search.
		Find heliair - Your relevant result is a click away!
		Look for heliair - Find heliair at one of the best sites the Internet has to offer!
	www.karr.net /search/encyclopedia/Heliair (218 words)

	Yorkshire Divers - Dive Forums - Gas choice
		People won't generally use 10/90 because not a huge amount of places have booster pumps, which are required to create Heliox at high pressure.
		Plus, with heliair, you measure the oxygen and you can work out the helium.
		The HeliAir mixes seem a good choice as you don't need to worry about O2 clean dil cylinders and been CCR the unit will add the O2 for you...
	www.yorkshire-divers.co.uk /forums/printthread.php?t=19271 (746 words)

	Gas Blender Courses (Site not responding. Last check: 2007-10-09)
		Advanced Mixed Gas Blender - a continuation of Nitrox Blender + Heliair, Heliox, Trimix.
		By the end of the course the candidate will have the hands on experience and confidence to be able to blend Heliox, Heliair, and Trimix.
		This is ideal for a Trimix Diver who wants to invest in his (or her) own system.
	www.podih2o.com /advanced_gas.html (163 words)

	UKDivers.net - Breathing Mixes
		By squeezing air through a membrane or molecular sieve it is possible to separate the oxygen from the nitrogen.
		Apart from air, divers can use a number of other mixes, these provide their own benefits and include: Nitrox or EANx, Trimix and Heliair
		Heliair is a simple form of Trimix which is created by mixing helium and Air.
	www.ukdivers.net /technical/mixes.htm (628 words)

	Mac GasBlender II 2.0.0p2 – Mac OS X – VersionTracker (Site not responding. Last check: 2007-10-09)
		Mac GasBlender is a MacOS X freeware for SCUBA divers who are involved with gas blending or with Nitrox, Trimix, Heliox and HeliAir diving.
		It will compute blending info but will not try to stop you if you try to do something impossible or stupid (some warning sheets have been implemented but many are missing - don't panic if it tells you to add -xxx psi/bar to your tank!).
		Heliox and HeliAir calculators are not implemented yet.
	www.versiontracker.com /dyn/moreinfo/mac/13567 (335 words)

	NAUI Worldwide ::
		The NAUI Heliair Diver course provides the training and experience you need to competently plan and execute extended range dives that require stage decompression utilizing Heliair and EANx and/or oxygen.
		You’ll learn the hazards and proper use of Heliair for dives to maximum of 180 fsw / 55 msw that require stage decompression, utilizing EANx mixtures and/or oxygen during decompression.
		The Closed Circuit Mixed Gas Diver course is an intensive class that requires previous certifications in NAUI Decompression Techniques, Heliair, and Closed Circuit Rebreather (CCR) or the equivalents thereof, plus a minimum of 100 logged hours on a Closed Circuit Rebreather, 60 hours of which are directly on the specific CCR for mixed gas training.
	www.nauitec.com /technical_divers.php (2066 words)

	Scotsman.com News - International - Five dead in Monaco helicopter crash (Site not responding. Last check: 2007-10-09)
		TWO Britons are believed to be among five people killed when a helicopter crashed off the French Riviera.
		The two, understood to be a man and a woman, were on board the Heliair Monaco helicopter which went down in the sea a mile off the coast of Saint Jean Cap Ferrat in southern France yesterday.
		All four passengers and the pilot died in the accident which happened at midday as the helicopter flew from Nice to Monaco.
	news.scotsman.com /international.cfm?id=654782004 (335 words)

	DO24ENG
		Nevertheless numerous open-circuit dives in the 330 feet range with successively heliair 50 (trimix 10/50), air, nitrox 30 or 40 %, O2 80 or 100 %, passed off without any problem.
		The diluant then will be a heliair mix with 62 % helium (trimix 8/62), to obtain on the bottom a PpO2 of 0.88 bar.
		I select a bail-out bottom mix of heliair 50 % (trimix 10/50) up to 130 feet and a second mix of nitrox 30 % from 130 till 20 feet.
	www.watalibi.com /do24eng.htm (3470 words)

	Northern Atlantic Dive Expeditions - Education and Training
		Technical EANx Diver: This course is to provide the EANx certified diver with the skills and knowledge needed to minimize the risks of utilizing optimal breathing gas EANx mixtures of 25-28% through 100% (oxygen) for dives to a maximum depth of 150 fsw requiring mandatory decompression.
		This course is to provide the training and experience necessary to understand the hazards of and utilize Heliair for dives to maximum of 180 fsw that require stage decompression, utilizing EANx mixtures and/or oxygen during decompression.
		Trimix Diver: These courses are to provide the diver with the skills and knowledge needed to minimize the risks of utilizing helium-based trimix breathing gas mixes for dives to a maximum training depth of 250 fsw requiring staged decompression and utilizing EANx mixtures and/ or oxygen during decompression.
	www.northernatlanticdive.com /training.htm (753 words)

	UKRS No. 115: Teignmouth (Site not responding. Last check: 2007-10-09)
		I called them on Friday to make sure they could fill me some Heliair for my rebreather.
		I have a gas blending certificate and have mixed my own gas and gas for others on several expeditions and have never had a problem mixing Heliair.
		I got the the shop on Saturday morning and was told "I've been told to tell you that you can't have Helium".
	www.drogon.net /personal/photoShoots/ukrs115 (620 words)

	technicaldiving (Site not responding. Last check: 2007-10-09)
		This course is to provide the training and experience necessary to understand the hazards of and utilize Heliair for dives to maximum of 180 fsw
		Upon successful completion of this course, graduates are considered competent to plan and execute extended range dives that require stage
		These courses are to provide the diver with the skills and knowledge needed to minimize the risks of utilizing helium- based trimix breathing gas
	www.diverservices.com /technicaldiving.html (870 words)

	Dolomiti.org - How to get to Cortina
		A new direct bus service is now available between Mestre bus station and Cortina d'Ampezzo, on Fridays, Saturdays and Sundays, in connection with the Eurostar trains arriving from Milan and Rome.
		A new shuttle service organized by Heliair allow to reach Cortina in 35 min.
		For reservation ask directly at the Heliair desk in Venice or call +39 041 2699138 (Fax +39 041 2698897).
	www.dolomiti.org /dengl/Cortina/cinfo/info2.html (665 words)

	Scotsman.com News - Latest News - Britons Believed Dead in Sea Plunge Helicopter
		Two Britons are believed to be among five people killed when a helicopter crashed off the French Riviera today, embassy staff confirmed.
		The two, understood to be a man and a woman, were on board the Heliair Monaco helicopter which went down in the sea a mile off the coast of Saint Jean Cap Ferrat in southern France.
		All four passengers and the pilot died in the accident which happened just after midday as the helicopter flew from Nice airport to Monaco.
	www.buzztracker.org /2004/06/09/cache/225931.html (229 words)

	..::HELIAIR - Helicopter Servicies ::.. (Site not responding. Last check: 2007-10-09)
		It is starting a new Heliair’s Venice shuttle service to daily join Venice - Tessera- Venice Lido - Treviso _Padova and Vicenza.
		HELIAIR VENICE - HELICOPTER CHARTER ON...some ideas…from Venice
		HELIAIR VENICE - HELICOPTER CHARTER ON we even take you at your firm or residence to take you whenever you prefer
	www.heliair.it /www/ENG/index.htm (114 words)

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