CHATHAM, Mass. (AP) — Rescue workers say the pilot and a passenger were not hurt when their small plane that was flying over Cape Cod suffered mechanical failure and made an emergency landing into a small lake.

Chatham Fire Capt. Kate Hansen says the plane sunk into Lover’s Lake after landing there Saturday afternoon.

Emergency responders checked the pilot and a passenger at the scene and released them.

There was no immediate information on the identities of the pilot and passenger, the origin of their flight and their destination.

Authorities are investigating the incident.

The incident was first reported by the Cape Cod Times.

Copyright 2012 The Associated Press.