A Frontier Airlines aircraft was recently inspected by authorities at Washington Dulles International Airport due to noise coming from its cargo hold. Any unusual sound coming from an unidentified source in an aircraft can be unnerving for the passengers and crew.

A plane that was isolated on the taxiway and searched at Washington Dulles International airport after a beeping sound was heard coming from the cargo hold has been cleared by police and the incident is closed,

A Frontier Airlines flight that landed at Dulles Airport was held on the arrival runway for an investigation into a beeping noise heard in its cargo hold.