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(SB-08-09) NTSB Issues Recommendations On GE Regional Jet Engines

The National Transportation Safety Board today issued recommendations to the Federal Aviation Administration to address a safety concern raised by two engine failures on Bombardier Canadair Regional Jet CRJ-200 aircraft. A flaw during the manufacturing process for fan blades led to the two engine failures, and the Board wants procedures set up to remove these blades before another incident occurs. A companion recommendation was sent to the Canadian government.

Hovering Bats Stay Aloft Using Swirling Vortices

Honey bees and hummingbirds can hover like helicopters for minutes at a time, sucking the juice from their favorite blossoms while staying aloft in a swirl of vortices. But the unsteady air flows they create for mid-air suspension -- which hold the secrets to tiny robotic flying machines -- have also been observed for the first time in the flight of larger and heavier animals, according to USC aerospace engineer Geoff Spedding.

(SB-08-07) NTSB To Hold Safety Forum On Unmanned Aircraft Systems

Washington, D.C. - The National Transportation Safety Board will hold a three-day forum on the safety of unmanned aircraft systems (UAS). The forum will be convened April 29-30 in the NTSB Board Room and Conference Center in Washington. The forum will provide an opportunity for the Board and interested parties to understand the safety implications presented by the growing use of UAS in the National Airspace System.