Story by the Associated Press; curated by Oliver Darcy.
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PANGKALAN BUN, Indonesia (AP) — Divers and an unmanned underwater vehicle spotted the tail of the missing AirAsia plane in the Java Sea on Wednesday, the first confirmed sighting of any major wreckage 11 days after Flight 8501 disappeared with 162 people on board, an official said.
Powerful currents and murky water continue to hinder the operation, but searchers managed to get a photograph of the debris — about 9 kilometers (nearly 6 miles) from where the plane lost contact — after it was detected by an Indonesian survey ship, National Search and Rescue chief Henry Bambang Soelistyo told reporters.
In this undated underwater photo released by Indonesia's National Search And Rescue Agency (BASARNAS) on Wednesday, Jan. 7, 2015, the part of the wreckage that BASARNAS identified as of the ill-fated AirAsia Flight 8501, is seen in the waters of the Java Sea, Indonesia. (AP Photo/BASARNAS)
One released image appeared to show an upside down "A'' painted on a piece of metal, while another grainy shot depicted some sort of mechanical parts.
In this undated underwater photo released by Indonesia's National Search And Rescue Agency (BASARNAS) on Wednesday, Jan. 7, 2015, the part of the wreckage that BASARNAS identified as of the ill-fated AirAsia Flight 8501, is seen in the waters of the Java Sea, Indonesia. (AP Photo/BASARNAS)
The find is particularly important because the all-important cockpit voice and flight data recorders, or black boxes, are located in the aircraft's tail. Smaller pieces of the plane, such as seats and an emergency door, had previously been collected from the surface, and six other several large objects have been detected by sonar on the sea bed in the same area.
"Today we successfully discovered the part of the plane that became the main aim since yesterday," Soelistyo said. "I can ensure that this is part of the tail with the AirAsia mark on it."
He stressed the top priority remains recovering more bodies along with the black boxes. So far, 40 corpses have been found, including an additional one announced Wednesday, but time is running out.
At two weeks, most corpses will sink, said Anton Castilani, head of the country's disaster identification victim unit, and there are already signs of serious decomposition. Officials are hopeful many of the more than 120 bodies still unaccounted for will be found entombed in the fuselage.
The Airbus A320 went down Dec. 28, halfway through a two-hour flight between Indonesia's second-largest city of Surabaya and Singapore, killing everyone on board. It is not clear what caused the crash, but bad weather is believed to be a contributing factor.
Just before losing contact, the pilot told air traffic control he was approaching threatening clouds, but was denied permission to climb to a higher altitude because of heavy air traffic. No distress signal was issued.
Finding the black boxes will be key to the investigation. They provide essential information including the plane's vertical and horizontal speeds along with engine temperature and final conversations between the captain and co-pilot. The ping-emitting beacons still have about 20 days before their batteries go dead, but high surf had prevented the deployment of ships that drag "ping" locators.
Sonar-equipped ships involved in the massive international hunt have also identified what they believe to be the fuselage of the plane. Several other big chunks have been found though no visual confirmation has been received yet.
The search area for bodies and debris was expanded this week to allow for the strong currents that have been pushing debris around, said Indonesian search and rescue operation coordinator Tatang Zainudin.
In addition to heavy rain and wind, the monsoon weather has turned the Java Sea into a slush bowl.
But in some ways, it is one of the best places to look for a missing plane, especially when compared to the extreme depths of the Indian Ocean where searchers continue to hunt for Malaysia Airlines Flight 370, which disappeared last March with 239 people aboard.
The water at the Indonesia site is shallow, but this is the worst time of the year for a recovery operation to take place due to seasonal rains that have created choppy seas and blinding mud and silt from river runoff.
"Because the Java Sea is such an enclosed basin, and there's not really big currents passing through it, everything just stays there for quite a while and the waves make it so that the sediment doesn't slowly just sink to the bottom," said Erik van Sebille, an oceanographer at the University of New South Wales in Sydney, Australia. "It continuously keeps churning it up."
He said the conditions also make it particularly dangerous for divers because the water is dark and murky, making it easy for them to cut themselves on jagged wreckage or even become snared and trapped. During the dry season, he added, it would likely be easy to see the plane underwater from the sky.
Waters in the area are relatively shallow, around 30 meters (yards).
The area was part of the land mass during the last Ice Age just 20,000 years ago, he said, meaning that ocean floor is likely relatively flat and also still covered by a lot of organic material.
"This was just forest," he said. "Monkeys used to walk around here."
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