Introduction: Changes in General Aviation (GA) accident rates, specifically in the go-around phase, are examined by comparing the number of accidents, the proportion of fatal accidents, and the proportion of certain causes of accidents over time.
Methods: Two sets of accidents from 2000 to 2004 and from 2013 to 2017 were extracted from the National Transportation Safety Board (NTSB) online database.
Results: Although the total number of GA accidents per landing significantly decreased over time, the proportion of fatal accidents in the go-around phase increased.
Three strategic games played by the Ju|'hoan-a board, a card, and a gesture game-complicate the rhetorics that suggest an evolutionary or psychological significance of play. They are mostly played by adults, although every individual adult does not necessarily engage in each game. The Ju|'hoan card and board game practices were transmitted through contact across large parts of Botswana and Namibia, while the gesture game n!àì has been known in other San communities.
View Article and Find Full Text PDFAerosp Med Hum Perform
May 2017
Background: To examine the causes and factors of airplane landings on highways and the dangers to occupants of vehicles on the ground.
Methods: The U.S.
The Maldives are an 850 km-long string of atolls located centrally in the northern Indian Ocean basin. Because of this geographic situation, the present-day Maldivian population has potential for uncovering genetic signatures of historic migration events in the region. We therefore studied autosomal DNA-, mitochondrial DNA-, and Y-chromosomal DNA markers in a representative sample of 141 unrelated Maldivians, with 119 from six major settlements.
View Article and Find Full Text PDFAviat Space Environ Med
October 2008
Introduction: Gyroplanes (autogyros) are regarded as a relatively safe and stable type of general-aviation aircraft. The U.S.
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