CHICAGO (WLS/CNN/CNN Newsource/WKRC) - A United Airlines flight returned to the airport after striking a coyote during takeoff. A United Airlines flight was forced to return to Chicago O'Hare Airport on Sunday after the aircraft struck a coyote during takeoff.

A United Airlines flight struck a coyote on the runway during takeoff from Chicago O’Hare International Airport, forcing the jet to return to the airport.

"The two principal safeguards against collisions are air traffic controllers and pilots. This article will discuss the legal issues that arise when these lines of defense fail."

Here are images of the two aircrafts involved in the crash, taken from airline websites and directly manufacturers.

Hundreds of rescuers were searching the frigid waters of the Potomac River for any survivors of the plane crash.

Canyonlands Regional Airport will resume daily non-stop flights between Moab and Denver International Airport starting April 1, according to a press release issued by the airport.

Passengers aboard the flight that collided with an Army helicopter and crashed into the Potomac River included figure skaters returning from the U.S. Figure Skating Championships.

Authorities were searching for survivors after a plane with 64 people aboard crashed into an Army helicopter near Reagan Washington National Airport.

An American Airlines jet carrying 60 passengers and four crew members has collided with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

Authorities were searching for survivors after a plane with 64 people aboard crashed into an Army helicopter near Reagan Washington National Airport.

An airplane collided with a helicopter while trying to land at the Ronald Reagan Washington National Airport on Wednesday night, officials said.

A multi-agency search and rescue operation is underway in the Potomac River after a small American Airlines aircraft collided with an Army helicopter near Reagan National Airport, authorities confirmed.