Restricted operating life, limited range and bearing ambiguity in deep water are the known limitations of current locator beacons mounted on aircraft. These problems raise important questions: what is the...

With the growth of air traffic following the First World War, it was inevitable that aircraft would be lost over the oceans. It was equally inevitable that hydrographers would be...

The pilot of a small aicraft that crashed about thirty miles from NOAA Ship Thomas Jefferson last week was rescued from the sea. The NOAA vessel was conducting mapping surveys...

The wreckage of Air France Flight 447 has been found by AUV some 3,900 metres, or nearly 2.5 miles below the surface of the Atlantic Ocean. A search team led...

NOAA Ship Thomas Jefferson is on a three-month survey of the seafloor off the coast of New York, Connecticut and Rhode Island, as part of a multi-year effort to update...

The Underwater Inspection System (UIS) from CodaOctopus has been the subject of evaluation by the United States Coast Guard Research and Development Center (USCG). An interim report provides an update...

North Atlantic hurricane season is now upon us. Until well into the twentieth century there was little understanding of the nature of hurricanes and no adequate system to warn mariners...

Sprinkled throughout the world’s oceans are thousands of named seafloor features. Many of the major features have received names that associate them with some other geographic feature such as Mid-Atlantic...

It was a rainy day at Woods Hole, Massachusetts, USA. The scenery reminds me of the Twin Peaks atmosphere. I am about to interview Mike Purcell, the man whose search...

Following the capture of Morotai in the Dutch East Indies, the stage was set for the invasion of the Philippine Islands. The liberation of the Philippines was a blur of...