Ships investigate signals reported in jet search

In this image taken from video, a member of a Chinese search team uses an instrument to detect electronic pulses while searching for the missing Malaysia Airlines Flight 370, on board the patrol vessel Haixun 01, in the search area in the southern Indian Ocean, Saturday, April 5, 2014. China's official Xinhua News Agency reported late Saturday that the patrol vessel Haixun 01 had detected a "pulse signal" at 37.5 kilohertz (cycles per second) - the same frequency emitted by flight data recorders aboard the missing plane - in the search area in the southern Indian Ocean. But retired Australian Air Chief Marshall Angus Houston stressed the two electronic pulses that the Chinese ship reported detecting on Friday and Saturday had not been verified as connected to the missing jet. (AP Photo/CCTV via AP Video)
In this image taken from video, a member of a Chinese search team uses an instrument to detect electronic pulses while searching for the missing Malaysia Airlines Flight 370, on board the patrol vessel Haixun 01, in the search area in the southern Indian Ocean, Saturday, April 5, 2014. China's official Xinhua News Agency reported late Saturday that the patrol vessel Haixun 01 had detected a "pulse signal" at 37.5 kilohertz (cycles per second) - the same frequency emitted by flight data recorders aboard the missing plane - in the search area in the southern Indian Ocean. But retired Australian Air Chief Marshall Angus Houston stressed the two electronic pulses that the Chinese ship reported detecting on Friday and Saturday had not been verified as connected to the missing jet. (AP Photo/CCTV via AP Video)

PERTH, Australia (AP) — A British navy ship has reached the area of the Indian Ocean where a Chinese ship reported detecting a “pulse signal” over the past two days.

The HMS Echo is fitted with sophisticated sound-locating equipment that could help determine whether the sounds came from the missing Malaysian plane’s “black boxes.”

Some experts are expressing doubt that the equipment aboard the Chinese ship was capable of picking up signals from the black boxes.

Officials say Australian military aircraft are also being sent to the area to investigate. An Australian navy ship with high-tech sound detectors from the U.S. Navy will also head to that area. But first, officials say the Ocean Shield will investigate a sound it picked up today in another part of the search area.

Meanwhile, a senior Malaysian government official says investigators have determined that the missing jetliner skirted Indonesian airspace as it flew from Malaysia to the southern Indian Ocean.

The official says Indonesian authorities have confirmed that the plane did not show up on their military radar. He says the plane could have deliberately flown around Indonesian airspace to avoid radar detection, or may have coincidentally traveled out of radar range.

 

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