NTSB/AAR-09/05 PB2009-910405 This report describes the crash of a Cessna 500 about 2 minutes after takeoff from Wiley Post Airport in Oklahoma City, Oklahoma. The airplane impacted one or more large birds, which likely damaged the airplane's wing structure. The safety issues discussed include airframe certification standards for bird strikes, inadequate Federal Aviation Administration (FAA) enforcement of wildlife hazard assessment requirements for airports located near wildlife attractants, the lack of published information regarding aircraft operational strategies for pilots to minimize bird-strike damage to aircraft, and inadequate FAA detection of and intervention in improper charter operations. Safety recommendations concerning these issues are addressed to the FAA.