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September 4, 2008 London B-777 Hard Landing Due to Ice
The UK’s Air Accident Investigation Branch (AAIB) says ice in fuel lines “most probably” caused a twin-engine British Airways Boeing 777-236ER (G-YMMM) to lose power just prior to landing on Runway 27L at London Heathrow this past January. The AAIB issued three recommendations for interim measures to avoid future occurrences that the Federal Aviation Administration (FAA) and European Aviation Safety Agency (EASA) are expected to soon adopt. AAIB investigators believe that water, which is normally present in aircraft fuel, may have frozen because of unusually cold weather on the flight from Beijing to London on Jan. 17. The AAIB said jetliner fuel systems must be re-designed. It recommended interim measures until such design changes to the fuel system are available.
The AAIB recommends that:
The FAA and EASA, in conjunction with Boeing and Rolls Royce, introduce interim measures for the Boeing 777, powered by Rolls Royce Trent 800 engines, to reduce the risk of ice formed from water in aviation turbine fuel causing a restriction in the fuel feed system (AAIB 2008-047).
The FAA and EASA take immediate action to consider the implications of the findings of this investigation on other certificated airframe/engine combinations (AAIB 2008-048).
The FAA and EASA review the current certification requirements to ensure that aircraft and engine fuel systems are tolerant to the potential build up and sudden release of ice in the fuel system (AAIB 2008-049). Swissair Flight 111 Remembered
Canadian Minister of Transport Lawrence Cannon said Sept. 2, 2008, the ten-year anniversary of the crash of Swissair Flight 111, was “a day to remember the victims of one of the most tragic air accidents in Canadian history.” He commended the Transportation Safety Board for its final report into the accident, released on March 27, 2003. “The Board's thorough work resulted in considerable improvements to aviation safety around the world. In response to this report, Transport Canada notably improved fire safety on planes by mandating the removal of flammable insulation on all Canadian aircraft,” said Cannon. “Transport Canada took an important step forward with the introduction of safety management system regulations. These additional regulations require aviation organizations to identify safety issues before they become bigger problems. It's focusing on what we do to prevent accidents from occurring. I am confident that safety management systems will help save lives by preventing accidents,” he added. The Swissair MD-11 crashed off Peggy’s cove in Nova Scotia after catching fire on a flight to Geneva from New York. All 229 people aboard perished. Transport Canada concluded that sparks from faulty wiring ignited flammable insulation. The final report included 23 recommendations, the most notable of which called for removal of thermal acoustic insulation blankets. Airlines have since removed them from jetliners.Daily News Archive
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