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Emergency Air Systems


In an out of air emergency there are really only two things that matter — your next breath, and where it's coming from. An emergency air system (bailout bottle, bailout cylinder or emergency gas supply) is a scuba cylinder carried by a scuba diver for use as an emergency supply of breathing gas in the event of a primary gas supply failure. Some also call this a redundant air source.

Choosing among the available emergency air systems is an exercise in trade-offs. Small, compact bailout cylinders are easy to travel with, easy to use, easy to share and they can be stowed almost anywhere. But depending on how deep you are, they may only give you just enough air to kick for the surface or to find that wayward buddy. Bigger emergency air cylinder systems provide more options in that they may allow you to make a slower ascent, but they also take up more space on your gear, are harder to travel with and can create hydrodynamic drag.

The Scuba Doctor dive shop can supply the H2Odyssey Extra Air Source kit solutions, or help you to build a different setup to suit your particular requirements. Maybe you're a hookah diver needing a backup air source, a recreational diver going deeper on a single cylinder and wanting an out of air emergency solution, or a solo diver who needs a redundant air source to stay safe. Whatever you need, we can help you to achieve it.



Craigburn

Wreck Dive Wreck Dive | Boat access Boat access

Advanced Open Water Rated Outside Port Phillip Wreck Dive Site

Four-Masted Iron Barque | Max Depth: 8 m (26 ft)

Craigburn
Craigburn | © State Library Victoria

The shipwreck of the Craigburn is archaeologically significant for its remains of a typical 19th-century iron sailing barque. As a dive site set amongst typically spectacular Mornington Peninsula underwater topography and marine life, it also has recreational and educational significance.

The wreck is very scattered in an area remote to boat access. Weather conditions have to be really good and the sea must be calm to dive here. You will need a good lookout for freak swell and sudden weather changes. There are also large bommies near the Craigburn wreck that are a hazard to navigation.

Craigburn Shipwreck History — Built in 1884

The Craigburn was built in 1884, by W.B. Thompson in Glasgow, Scotland. The four-masted iron barque was 289.7 ft (88 m) long, with a beam of 42.2 ft (13 m), and a depth of 23.9 ft (7.28 m).

On 8 May 1891 the Craigburn was blown ashore onto the Rye Back Beach, Point Nepean after refusing tug salvage rates and anchor dragged.

Craigburn Sinking — Wrecked 8 May 1891

The Craigburn was being towed out through Heads by tug Rescue when the hawser slipped. Attempts to get another line aboard failed, and the anchors were dropped. Captain Kerr, on his last voyage before retirement, refused offers of further tow from Rescue, claiming charge of 500 pounds was exorbitant. Offers from other vessels were rejected also, in spite of Craigburn's close proximity to land.

After an argument and struggle between Kerr and Pilot Blanchard, two crew members seized Kerr and locked him aft. The tug Eagle made fast with a hawser and went ahead, but the carpenter, who may have been drunk, refused to work the winches to raise the anchors without the captain's orders, and the tow again parted.

Two boats got away — one under the pilot's direction, finally reached safety, but the other was swept into the breakers where five men drowned. Captain Kerr, the carpenter, and a brave seaman (who had tried in vain to save the first mate — who was drunk) were rescued by rocket apparatus, overlanded from Sorrento by the lifeboat crew.

The Court of Marine Inquiry found Captain Kerr guilty of drunkenness and neglect of duty in refusing the assistance of tow. His certificate was cancelled and ordered to pay 50 pounds costs but he had already left Victoria.

The Craigburn had arrived from Liverpool on 8 April with a full general cargo. Belonged to the same fleet of clippers as the other '-burn' vessels, well known in the Australian trade. Pilot critical of authorities in not summoning the lifeboat — all might have been saved.

A drunken captain and a dispute over the cost of towing the barque Craigburn out of a dangerous position had a tragic outcome. The vessel drifted ashore on the Rye Back Beach and six of the crew lost their lives.

See also, Australian National Shipwreck Database: Craigburn, and
Heritage Council Victoria: Craigburn.

Heritage Warning: Any shipwreck or shipwreck relic that is 75 years or older is protected by legislation. Other items of maritime heritage 75 years or older are also protected by legislation. Activities such as digging for bottles, coins or other artefacts that involve the disturbance of archaeological sites may be in breach of the legislation, and penalties may apply. The legislation requires the mandatory reporting to Heritage Victoria as soon as practicable of any archaeological site that is identified. See Maritime heritage. Anyone with information about looting or stolen artefacts should call Heritage Victoria on (03) 7022 6390, or send an email to heritage.victoria@delwp.vic.gov.au.

Back Beach Warning: Always keep an eye on sea conditions throughout any dive on the Back Beaches of the Mornington Peninsula. Please read the warnings on the web page diving-the-back-beaches before diving or snorkelling this site.

Boon Wurrung / Bunurong country
Boon Wurrung / Bunurong country

Traditional Owners — This dive site is in the traditional Country of the Boon Wurrung / Bunurong people of the Kulin Nation. This truly ancient Country includes parts of Port Phillip, from the Werribee River in the north-west, down to Wilson's Promontory in the south-east, including the Mornington Peninsula, French Island and Phillip Island, plus Western Port. We wish to acknowledge the Boon Wurrung as Traditional Owners. We pay respect to their Ancestors and their Elders, past, present and emerging. We acknowledge Bunjil the Creator Spirit of this beautiful land, who travels as an eagle, and Waarn, who protects the waterways and travels as a crow, and thank them for continuing to watch over this Country today and beyond.

 

Craigburn Location Map

Latitude: 38° 23.672′ S   (38.394533° S / 38° 23′ 40.32″ S)
Longitude: 144° 47.150′ E   (144.785833° E / 144° 47′ 9″ E)

Datum: WGS84 | Google Map
Added: 2012-07-22 09:00:00 GMT, Last updated: 2022-04-27 09:45:46 GMT
Source: Book - Shipwrecks Around Port Phillip Heads GPS (verified)
Nearest Neighbour: Number Sixteen, 373 m, bearing 58°, ENE
Four-Masted Iron Barque, 2,065 ton.
Built: Glasgow, Scotland, 1884.
Sunk: 8 May 1891.
Depth: 6 to 8 m.



DISCLAIMER: No claim is made by The Scuba Doctor as to the accuracy of the dive site coordinates listed here. Should anyone decide to use these GPS marks to locate and dive on a site, they do so entirely at their own risk. Always verify against other sources.

The marks come from numerous sources including commercial operators, independent dive clubs, reference works, and active divers. Some are known to be accurate, while others may not be. Some GPS marks may even have come from maps using the AGD66 datum, and thus may need be converted to the WGS84 datum. To distinguish between the possible accuracy of the dive site marks, we've tried to give each mark a source of GPS, Google Earth, or unknown.

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