Word: ntsb
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Dates: during 1990-1999
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...team of investigators have recovered several key pieces of the aircraft, including its control panel, engine, and tail section, Alan Yarman, lead investigator for the National Transportation Safety Board (NTSB), said at a press conference yesterday...
According to NTSB records, the A350B AStar helicopter has been involved in 63 accidents in the United States, killing 57 on-board passengers. It averages 3.5 accidents per 100,000 hours of flight...
...after the International Airline Passenger Association urged its members to avoid commuter aircraft with fewer than 31 seats -- planes the IAPA said have a "significantly higher" accident rate than larger craft. The smaller commuter planes do not have to meet some standards that apply to larger aircraft; the NTSB recommends that the Federal Aviation Administration tighten commuter pilots' training standards, cut the amount of time they can spend in the air and increase safety inspections.Post your opinion on theScience & Technologybulletin board...
...such weights to maintain a separation of 3 nautical miles. If the 727 wake did jostle the 737 sufficiently to contribute to the latter's plunge, it would be a first. While 727s were the lead craft in seven of the 52 wake-vortex encounters documented by the NTSB from 1983 through 1993, all of those incidents -- some merely unsettling, some disastrous -- involved much lighter trailing aircraft...
...Safety Board's most recent warning about wake vortex, issued in February, concentrates on the turbulence stirred by the heavier 757, whose wake has upset or downed seven planes -- among them a 737. The NTSB called upon the FAA to reclassify the 757 so that other craft must follow at greater distances during takeoffs and landings. The FAA has yet to act. Canada, however, upped the classification of the 757 from "large" to "heavy" earlier this year; Britain made a similar change last year by carving out a new category to accommodate...