Bombardier Challenger 600, Snow Hill, Va., July 21, 2004–According to the NTSB, excessive maneuvering was the cause of an incident that resulted in a flight attendant’s falling and breaking her ankle. Following a traffic advisory from the Challenger’s traffic alert and collision avoidance system and an aural resolution advisory warning to climb, the copilot turned off the autopilot and started to climb at 1,500 fpm. The captain announced he was taking the controls and pitched the airplane up to 2,500 fpm. The traffic was an MD-80, 1.54 nm and 1,500 feet away, climbing at 2,000 fpm and 433 knots.