One person was on board and was not injured, said airport Executive Director Charles R. Everett.
Fire and emergency crews about 4:30 p.m. Sunday responded to the crash. The plane, a white, six-seat 1976 Beech 58P, crashed on runway 31, one of two runways at the airport. Everett said the crash did not hamper airport operations.
The plane is owned by JSMGT LLC of Chemung County in the south-central part of New York state, according to Federal Aviation Administration records.
Everett said he did not have a flight plan for the plane and was unsure where the plane was coming from or heading to.
At least a dozen emergency vehicles were on the scene at the airport in Hanover Township, Lehigh County.
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Emergency crews respond to a crash Sunday afternoon on the runway at Lehigh Valley International Airport.
Emergency personnel respond to reports of a plane crash at Lehigh Valley International Airport. 
