17 fatalities

United Air Lines Flight 297: 1962 Bird Strike Accident (N7430)

Ellicott City, United States of AmericaFlight

On November 23, 1962, a Vickers Viscount (registration N7430) operated by United Airlines was involved in an aviation accident near Ellicott City, United States of America in flight. 17 people were killed. Investigators recorded the probable cause as: The Board determines that the probable cause of this accident was a loss of control following separation of the left horizontal stabilizer which had been weakened by a collision with a Whistling Swan. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 2 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

United Air Lines Flight 297, a Vickers-Armstrong Viscount Model 745D (N7430), crashed in Maryland on November 23, 1962, after a bird strike. All 17 people on board were killed.

Accident Overview and Loss of Life On November 23, 1962, United Air Lines Flight 297, a Vickers-Armstrong Viscount Model 745D with registration N7430, crashed in a wooded area six miles west-southwest of Ellicott City, Maryland, at approximately 1224 e.s.t. The aircraft was en route from Newark, New Jersey, to Washington, D.C. All thirteen passengers and four crew members were fatally injured in the accident. ## Bird Strike and Structural Failure The flight was operating at an assigned altitude of 6,000 feet when it apparently penetrated a flock of Whistling Swans. At least two of the birds were struck by the aircraft. One swan collided with the right horizontal stabilizer, inflicting only superficial damage. The other bird punctured the left horizontal stabilizer, traveled through the structure, and dented the elevator as it exited. The weakened structure failed in this area, rendering the aircraft uncontrollable and resulting in the aircraft striking the ground in a nose-low inverted attitude.

Probable cause

The Board determines that the probable cause of this accident was a loss of control following separation of the left horizontal stabilizer which had been weakened by a collision with a Whistling Swan.