Chesley Sullenberger 29 to 31, 2007. On January 15, 2009, Sullenberger was the captain of US Airways Flight 1549, an Airbus A320 taking off from LaGuardia Airport in New York City. Shortly after takeoff, the plane struck a large flock of birds (Canada geese) and lost power in both engines. Quickly determining he would be unable to reach either LaGuardia or Teterboro airport, Sullenberger piloted the plane to a water landing on the Hudson River. All 155 people on board survived and were rescued by nearby boats. Sullenberger said later: "It was very quiet as we worked, my copilot Jeff Skiles and
Flock (birds) to find a reliable food source will alert the flock and the entire group may benefit by this finding. While this is an obvious benefit of the information-sharing model, the cost is that the social hierarchy of the flock may result in subordinate birds being denied food by those that are dominant. Another cost is the possibility that some individuals may refuse to contribute in the search of food and instead simply wait for another member to find a food resource. These individuals are known as producers and scroungers, respectively. An intricate hunting system can be seen in the Harris's