In order to keep all crewmembers up-to-date and ready to react correctly to any kind of emergency, weekly drills and training units are carried out. Crew drills of any kind are compulsory for everybody and maybe exempted only by the Supervisor and must be approved by the Safety Officer. Date, location, and the topic of the respective training unit can be found in the Weekly Safety Training Schedule displayed on the notice board in the crew area. Crewmembers have also the obligation to carry out Computer Based Training (CBT) on designated training computers or other electronic devices.