Hamburg-based Jet Airliner Crash Data Evaluation Centre (JACDEC) annually ranks the safest and most unsafe 60 largest airlines in the world based on the number of accidents and incidents over the past 30 years - compared with passenger miles. It also factors in international safety benchmarks, such as the IOSA Audit and the USOAP country factor to calculate its rankings.
This is their top 10 of the airlines with the worst records - as well as who's safest.
Saudi Arabian Airlines
GOL Transportes Aereos
Thomson's Boeing 787 Dreamlines
Air New Zealand