Locator signal detected in Colo. airplane search

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WESTCLIFFE, Colo. (AP) — Search teams say they've picked up an emergency locator signal in the southern Colorado mountains where a small plane disappeared.

Air traffic controllers lost contact with the single-engine, six-seat Piper Malibu on Sunday over the Sangre de Cristo range about 50 miles west of Pueblo. It departed from Phoenix.

Lt. Col. Mike Daniels of the Colorado Civil Air Patrol said Monday that two helicopters, two airplanes and 16 people on foot are searching.

Daniels says air and ground crews picked up a signal from an airplane emergency locator transmitter, which is designed to activate after a crash.

The plane is registered to a Waterloo, Iowa, address. Authorities don't know how many people were on board and haven't released any names.