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FAA to mirror EASA S92 emergency directive

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The US Federal Aviation Administration plans issue an airworthiness directive calling on Sikorsky S-92 operators to repetitively inspect the helicopter's main gearbox mounting feet for cracks, defects that could lead to gearbox detachment and loss of control of the helicopter. More...

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f-22.jpgThe US Air Force has decided against funding a readily available technology that is supposed to prevent crashes like the one that recently killed a Lockheed Martin test pilot flying an F-22 Raptor.

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Indonesian C-130 crashes killing more than 78

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c-130 crash indonesia.jpg

An Indonesian military Lockheed C-130 crashed in east Java today and latest reports say the death toll is 78.

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Pilatus PC12

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Pilatus PC12.jpgPilatus Aircraft has joined the US National Transportation Safety Board-led investigation into the cause of a crash on 22 March of a PC-12 in Butte, Montana. Continue reading...

This image Pilatus PC-12/45. The picture was taken at Genk/Zwartberg airfield, Belgium EBZW last October and uploaded to AirSpace user JMJMC.OVERSTEYNS' gallery.

 

FedEx MD-11 crashes at Narita

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Fedex Narita aerial.jpgJapanese television has posted a video of a FedEx cargo aircraft crashing and burning after having landing troubles at the Narita International Airport Monday morning around 0700h. Continue reading...

NASA's Orion heat shield decision expected this month

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Apollo Avocoat.jpgOne of the greatest engineering challenges in spaceflight is to protect a spacecraft from the searing heat of re-entry, as the fate of the Space Shuttle Columbia so tragically illustrated.

So, one of the most intriguing technical twists in NASA's planning for its return-to-the-Moon Constellation programme may come later this month when the US space agency announces its heat shield selection for the Orion crew exploration vehicle's (CEV) crew module.

 

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Rescuers have yet to clarify any casualty figures after a Turkish Airlines Boeing 737-800 aircraft crashed on approach to Amsterdam Schiphol.

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Virgin A340-300 in fire emergency

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a340-3_virgin.jpgInitial inspection of Virgin Atlantic's long-haul Airbus fleet, after a fire emergency on an A340-300, has found a number of aircraft missing wiring-protection components in the area of their on-board bar units. Continue reading...

Ash cloud threat to jet engines over Anchorage

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Mount Redoubt_edited-1.jpgPicture credit - Chris Waythomas, courtesy Alaska Volcano Observatory/U.S. Geological Survey

Scientists at the Alaska Volcano Observatory are using data gathered from daily aircraft flights over Mount Redoubt, along with information from other sensors, to try to determine whether and when the volcano is going to erupt.

The volcano, located about 100 miles southwest of Anchorage, is expected to erupt within days or weeks causing enormous clouds of ash which may pose a danger to aircraft.

"It's a very severe hazard because jet engines run at a very high temperature," says geologist Michelle Coombs. "And once that silica-rich ash gets ingested into the engine, it can remelt and coat the insides of the engines and freeze up those engines."

According to our pdf archive, the day after the 1989 eruption of Redoubt, a KLM Boeing 747 flew into an ash cloud near Anchorage and all four engines stalled. The pilot was able to relight two of the engines and brought the aircraft down safely at Anchorage.

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Picture credit: Max Kingsley Jones

UK authorities are to revise certain Airbus A380 wake vortex separation standards after concluding that further examination of operational issues is needed. Read on...