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Lift Bags

Many divers carry lift bags to raise objects to the surface. Typically, divers secure the object to the lift bag along with a line attached to a reel. The lift bag is filled with air and sent to the surface from the bottom. As the lift bag rises to the surface, the expanding excess air can escape through the opening on the bottom. This keeps the lift bag from splitting a seam and dropping the load to the bottom. The reel and line serve as a means of keeping the bag and its load from drifting too far away. Some lift bags are also equipped with a dump valve which allows the diver to ascend with the load and actually trim buoyancy to remain near neutral throughout the ascent. This keeps delicate loads from being left on the surface alone and subjected to wave action.

Divers have also used the lift bag as a means of signaling their location if an ascent is performed away from the anchor line or during drifting deco stops. The lift bag on the surface allows the boat crew to track the diver's position in the water. However, there are problems with using lift bags as marking devices. Without a load on the lift bag, upon reaching the surface, it often flops over and deflates. If this happens, the bag may actually begin to sink and be rendered useless. Also, the shape of a lift bag is not designed for optimal visibility.

You can get it to the surface with these premium quality lift bags from The Scuba Doctor dive shop, now available at everyday low prices.


Mount Martha, Ian Road

Shore Dive Shore Dive | Shore access Shore access

Ideal For Snorkelling Inside Port Phillip Night Dive Site Open Water Rated Reef Dive Site Spearfishing Site

Ian Road
Ian Road | © Phil Watson

Depth: 3 m (9.84 ft) to 5 m (16 ft)

Ian Road is the most southerly of the five dive sites in Mount Martha out from the 8 kilometres of low cliff coastline between Balcombe Point to the north and Martha Point to the south. There are five creek gullies which give fairly easy track access to the different dive sites. The four other dive sites are: Deakin Drive, Hearn Road, Burdoo Way and Stanley Crescent.

See WillyWeather (Mount Martha) as a guide for the tide times and the height of the tide.

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.

 

Mount Martha, Ian Road Location Map

Latitude: 38° 17.690′ S   (38.294837° S / 38° 17′ 41.41″ S)
Longitude: 144° 59.068′ E   (144.984464° E / 144° 59′ 4.07″ E)

Datum: WGS84 | Google Map | Get directions
Added: 2012-07-22 09:00:00 GMT, Last updated: 2022-03-22 15:42:23 GMT
Source: Google Earth
Nearest Neighbour: Mount Martha, Stanley Crescent, 318 m, bearing 31°, NNE
Mount Martha, Mornington Peninsula, Port Phillip.
Depth: 3 to 5 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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