To improve air safety in Europe the European Commission decided to ban airlines found to be unsafe from operating in European airspace. The current list is online, although you probably won’t have heard of many of them. This is really for adventurous travellers who may book flights while already travelling.
The IATA Operational Safety Audit (IOSA)
This program is an evaluation system designed to assess the operational management and control systems of an airline.
Do not visit if you are nervous about flying. Since 1998 AirSafe.com have been providing the aviation safety community and the general public with factual and timely information on events that involve the deaths of airline passengers. It also provides fatal event information by airline and aircraft model, as well as information about current aviation safety issues.