Federal officials are investigating another airline incident

Southwest Flight Drops to 150 Feet Over Florida Water in Third Low-Altitude Incident

Another Southwest Airlines flight is under investigation for flying at dangerously low altitudes, on its way to Tampa, Fla.,

According to flight tracking data, the plane dropped to within 150 feet of the water off the coast before increasing thrust and regaining altitude.

The pilots skipped over the Tampa airport and landed instead at Fort Lauderdale, 200 miles away.

This is the third incident in the past four months.

The Federal Aviation Administration said Monday that it is investigating the incident.