A Passenger Jet Dropped 10 Stories in 7 Seconds. Space Particles May Be to Blame.

High-energy cosmic rays errors possibly created a soft error, known as a "bit flip," in the onboard avionics of the Airbus 320. 

Popular Mechanics
Passenger Jet Carrying 200 Flies for 10 Minutes with No Pilot After Copilot Faints in Cockpit: Report

A Lufthansa plane flew for 10 minutes with no pilot and over 200 on board after the copilot fainted while alone in the cockpit, a report has stated.

People.com