LIBERTY, PA. -- A small aircraft that went missing Saturday on a flight from Richmond International Airport in Virginia to St. Catherine/Niagara District Airport in Canada was found late Monday night.

A Federal Aviation Administration spokesperson said a Canadian-registered Piper PA-28 aircraft with three people aboard was discovered near Liberty, Pa. late Monday night. A Civil Air Patrol spokesperson said the plane was found in Potter County, Pa.

Officials have not released any information on the plane passengers' conditions.

The FAA says it lost contact with the flight as it was over Potter County at 7 p.m. Saturday. The FAA then issued a notice to air traffic facilities, pilots and airports to let them know about the missing aircraft.

The National Transportation Safety Board (NTSB) will be in charge of the investigation to determine the cause of the plane's disappearance, the FAA spokesperson said.