Editor's note: Authorities said that Wednesday afternoon that four people who were originally thought to be missing after the plane crash in Wichita, Kan., may actually have been the same four people who were confirmed dead earlier in the day. - Jillian
Editor's note: Local media, citing a 'long-time air traffic control worker,' is reporting that the pilot is among those killed when a plane flew into a building at Wichita, Kan., airport. We're watching for more. - Jillian
Editor's note: To recap, officials say four people died, five people are injured and four people are unaccounted after a plane crash at Mid-Continent Airport in Wichita, Kan. Of those injured, one is in serious condition, three are in good condition and one is in fair condition. The airport says only one person was on the plane. - Stephanie
Air travel is a form of travel in vehicles such as airplanes, helicopters, hot air balloons, blimps, gliders, hang gliding, parachuting, or anything else that can sustain flight. Use of air travel has greatly increased in recent decades - worldwide it doubled between the mid-1980s and the year 2000.