Private Pilot Flight Training and Instruction Flight Training Article Library | Back To 4VFR.COM Non-IFR Pilot 1 accident in 12,186 hours in IFR conditions 1 accident in 94,819 hours in VFR conditions. An instrument pilot is most vulnerable with less than 100 hours instrument time. In 28% of fatal accidents the pilots had instrument ratings. Written by Gene Whitt Flight Training Article Library | Back To 4VFR.COM