Private Pilot Flight Training and Instruction Flight Training Article Library | Back To 4VFR.COM About Accidents Use of shoulder harnesses in all seats will reduce major injuries by 88% and fatalities by 20%. Retro-fit harness kits are available, not cheap but affordable. The FAA has not made installation easy. Not wearing an available harness is a violation of FAR 91.107 40% of the mechanical failures had to do with failed parts. 28% had to do with fuel/air problems. 8% had to do with ignition/electrical problems. 16% were from other causes such as controls Written by Gene Whitt Flight Training Article Library | Back To 4VFR.COM