A 10-YEAR HISTORY OF AIR FORCE MOTORCYCLE MISHAPS

(Fiscal 2000 to fiscal 2009)

2,170 total mishaps
144 Airmen dead
73 percent staff sergeant or below
44 percent killed in springtime
42 percent occurred at night
27 average age of mishap cyclist
23 killed in April, making it the deadliest month for riders
17 percent were not wearing their helmet
15 percent involved alcohol

-- Air Force Safety Center