US Airways American Customer Satisfaction Index by the University of Michigan, US Airways ranked last in customer satisfaction among the major airlines. However, it was making steady ground to bridge its gap with other airlines. In late 2008, US Airways closed its Las Vegas hub, which was part of the America West network. On January 15, 2009, US Airways Flight 1549, under the command of Captain Chesley Sullenberger, flying from New York City's LaGuardia Airport to Charlotte Douglas International Airport, ditched into the Hudson River shortly after takeoff. Multiple bird hits from a flock of Canada geese caused both engines to lose
Flock (birds) call of the ground squirrel requires the ability of the animal to first recognize that there is danger present and then to react. This type of behaviour is also seen in some birds. It is important to note that by making an alarm call to signal members of the flock one is providing the predator with an acoustical cue to the location of a possible prey. The benefit here is if the members of the flock are genetically related to one another. If this is true, even if the bird that signalled the flock were to die its fitness would