Three people have died after two helicopters collided in midair near a small airport in Oregon, officials said.The collision between a Robinson R22 and an Airbus helicopter occurred near McMinnville Municipal Airport on Thursday afternoon, with both aircraft crashing in a field adjacent to a highway, the sheriff's office said.Police said the deceased include a 22-year-old flight instructor from Texas, and a student pilot from the United Kingdom. The sole occupant of the other helicopter was also killed in the crash.The Federal Aviation Administration (FAA) and the National Transportation Safety Board responded to the scene and are leading the ongoing investigation.