Capt. Chris Budde, maritime operations director for the U.S. Navy 7th Fleet, said that when it helpe

Wellington: The yearlong search last minute cruise deals discounts for Malaysia Airlines Flight 370 has turned up no sign of the plane, but that doesn't mean it's been unproductive. It has yielded lessons and discoveries that could benefit millions, including coastal Australians, air and sea travelers and scientists trying to understand ancient changes to the earth's crust.
The knowledge last minute cruise deals discounts gained so far is of little comfort to family and friends of the 239 people still missing from the plane, which vanished last March 8 during a flight from Kuala Lumpur, Malaysia, to Beijing. While finding the plane remains the top priority for searchers and investigators, what they're learning along the way may prove valuable long after the search ends.
The knowledge gained so far is of little comfort to family and friends of the 239 people still missing from the plane, which vanished last March 8 during a flight from Kuala Lumpur, Malaysia, to Beijing.
Previous maps relied on satellite data, which gave only rough estimates of the ocean's depth. Now, using sonar readings from ships, scientists have mapped an area the size of Nebraska and have discovered previously unknown trenches last minute cruise deals discounts and underwater mountains that rival the height last minute cruise deals discounts of any on Australia's surface.
Stuart Minchin, a divisional chief at Geoscience Australia, said that when the maps are released and further analyzed, they will give scientists a better understanding of areas that during earthquakes last minute cruise deals discounts are susceptible last minute cruise deals discounts to underwater landslides, last minute cruise deals discounts which can create last minute cruise deals discounts or exacerbate tsunamis.
Knowing the topography of the ocean floor also helps scientists predict ocean currents, said Minchin. That can help with everything from predicting where a disabled boat might drift in a search-and-rescue mission last minute cruise deals discounts to understanding last minute cruise deals discounts how marine species last minute cruise deals discounts spread to new areas.
The International Civil Aviation Organization, which is part of the United Nations, has proposed last minute cruise deals discounts that airlines be required last minute cruise deals discounts to get position updates from each of their planes every 15 minutes. last minute cruise deals discounts That requirement is expected to be in place by November 2016.
A more stringent requirement would seek updates every minute if a fire is detected or the plane makes an unusual move, such as suddenly dropping or climbing in elevation. That would apply only to jets manufactured after 2020.
Australian Transport last minute cruise deals discounts Minister Warren Truss said Sunday that his government's airspace agency will work with Malaysia and Indonesia to test a new method, which would enable planes to be tracked every 15 minutes, rather than the previous rate of 30 to 40 minutes. However, even if such a system had been in place for Flight 370, it would not have made it possible to track the plane because transponder and other equipment were switched off.
Capt. Chris Budde, maritime operations director for the U.S. Navy 7th Fleet, last minute cruise deals discounts said that when it helped out on a multinational search for another missing plane in December, things went more smoothly thanks to lessons learned last minute cruise deals discounts from the hunt for Flight 370.
Budde said tasks like establishing common radio frequencies between nations and determining who to contact onshore for search assignments were completed more efficiently after Indonesia studied and learned from Malaysia's experience.
He said the US Navy fleet also managed to modify its technology on the fly in the search for Flight 370, by tweaking its sonar equipment to detect, at short range, pings from an airplane's black boxes. It was able to use that tweak a second time in the search for the AirAsia plane, he said, albeit without success in either instance.
The search exposed some of the limitations of satellite images, said Joseph Bermudez Jr., the co-founder of Longmont, Colo.-based AllSource Analysis. Over the long term, he said, it may prompt companies to improve the technical capabilities of their satellites - for instance, by having them detect different and enhanced light wavelengths.
Many people assumed that, like in the movies, they could scour satellite images to see the plane veering off course or spot its wreckage. In reality, Bermudez said, commercial satellites aren't generally aimed to take images over remote stretches of ocean and when they do, the images are often unclear and need experts to decipher them.
He said there was such high interest in the plane's disappearance that amateurs around the world studied satellite images on crowd-sourcing websites to identify between 2 million and 3 million possible sightings of the plane or its debris.
"Not one of them was correct," he said. He added that people need to be better trained in reading such images before they are turned loose on the task. Improved image quality, he added, could also help.
Robin Beaman, a marine geologist last minute cruise deals discounts at Australia's James Cook University, said the underwater maps will help show scientists how Earth's crust stretched and pulled apart millions of years ago, a process that is continuing today and is slowly pushing Australia away from Antarctica.
"It's fitting the pieces of the puzzle back together. And it's not just an academic exercise," Beaman said. "The great gas resources for Australia are in the west, and if you fit that jigsaw back, you get more of a picture of how those gas resources were created."
"It's more daunting than looking on Mars because there's no light," he said. "So we're in a completely unknown world in mountains that are the most rugged on earth. There's no maps, so it's all basic, pure exploration with a mission that not only are we exploring, but we're also looking for an aircraft."
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