The Federal Aviation Administration confirmed two passengers were on board a single-engine Mooney M20 plane that crashed Wednesday in Watertown, WI, at approximately 9 a.m. The aircraft crashed at Brandt Quirk Park near a residential area. A park that one neighbor described as a part of her backyard. Beth Ktratzer, another witness, described the moment when the nearby crash was heard and felt from inside their homes. "We heard a huge bang.