Air Planes Ranking as per Flying to Crash Ratio   Below Air plains ranked from bad to worse in terms of reliability measured according to crashes vs flying hours 1-McDonnell Douglas MD-11 Range: 12,670 km Wingspan: 52 m Cruise speed: 876 km/h Top speed: 945 km/h Length: 61 m Unit cost: 150,000,000–200,000,000 USD (2013) Produced            …