On July 4th, 2011 at approximately 11 PM CDT, a Pinnacle Airlines Canadair Regional Jet 200 Series aircraft being operated on behalf of Delta Airlines as flight DL3997 from Minneapolis, Minnesota to Brainerd, Minnesota with 18 passengers and 3 crew, was rolling out on Brainerd’s runway braking through about 100 knots when the aircraft struck two deer that were on the runway. No injuries occurred to the occupants of the aircraft, the two deer were killed.
The airline said the return flight the following morning had to be cancelled due to damage to the aircraft’s landing gear doors and flaps.