Incident Overview
On a planned formation flight, the pilots of two Cessna aircraft, N73857 (a Cessna 172) and N521ST (a Cessna 305), arranged to fly a 'missing man' formation with two other aircraft. The pilot of N73857 was instructed to fly to the left rear of the lead aircraft, N521ST.
Pilot Report
The pilot of N521ST reported that he observed N73857 overtaking his aircraft from the left rear position. He stated that he was unable to maneuver his aircraft away quickly enough to avoid a collision. According to the lead pilot, his aircraft was the lead, and the pilot of N73857 was responsible for maintaining the rearward position.
Aircraft and Registration
The incident involved two aircraft: a Cessna 172, registration N73857, and a Cessna 305, registration N521ST. The source does not specify the date, location, number of occupants, injuries, or damage.