MILLVILLE, NJ (CBS) – Officials have confirmed that a small plane has crashed in Millville, NJ.

The plane touched down at Millville Municipal Airport, located just south of the Route 47and 49 intersection in Cumberland County, and was reported to have crashed at about 2:35 p.m. on Wednesday.

According to a witness, the aircraft bounced several times on the runway, veered off into the grass, then traveled about 600 feet before flipping over.

PHOTOS: From The Scene

Two men were airlifted to Cooper Medical Center for treatment. Their conditions are unknown.

The plane is a Beechcraft Baron Twin engine aircraft, according to Jim Salmon, a spokesman for the Delaware River and Bay Authority.

Millville Airport is open again after briefly closing, but the accident scene, including Runway 14-32 and Taxiway C, remains closed.