General

A Swan Song

The 14th December marks the 19th anniversary of the first scuttling of a former RN Warship as an artificial reef: —————- Final preparations for the sinking of the former Royal Australian Navy Destroyer Escort, HMAS Swan, were completed a few… Read More ›

The Deep Scattering Layer

First noticed during the latter stages of the Second World War when hydro-graphic survey ships equipped with echo sounders showed a ‘phantom seabed’ appearing on the graphs, the Deep Scattering Layer (DSL) often appeared many hundreds of fathoms above that… Read More ›

Sky Divers

Five kilometres off-shore from Long Reef, on Sydney’s northern beaches, a handful of wrecks scuttled in 50-plus metres attract large numbers of recreational divers.  For two technical divers attempting one of the deeper wrecks, a carefully planned dive turned to… Read More ›

Keeping Dry

Hailed as a prophetic masterpiece of science-fiction when it was first published in 1869, Jules Verne’s, “Twenty Thousand Leagues Under the Sea”, overlooked the earlier achievements of Augustus Siebe and his diving helmet and standard flexible dress. A diving breakthrough… Read More ›