The mandatory reporting system covers the following groups of persons:
The following natural persons shall report the occurrences referred through the system established by the organisation which employs, contracts or uses the services of the reporter or, failing that, through the system by the State which issued the pilot's licence.
- the pilot in command of an aircraft registered in a Member State or an operator established in the Union;
- a person engaged in designing, manufacturing, continuous airworthiness monitoring, maintaining or modifying an aircraft, or any equipment or part thereof;
- a person who signs an airworthiness review certificate, or a release to service in respect of an aircraft or any equipment or part thereof;
- a person who performs a function as a staff member of an air traffic service provider related to air navigation services or as a flight information service officer;
- a person who performs a function connected with the safety management of an airport;
- a person who performs a function connected with the installation, modification, maintenance, repair, overhaul, flight-checking or inspection of air navigation facilities;
- a person who performs a function connected with the ground handling of aircraft, including fuelling, loadsheet preparation, loading, de-icing and towing at an airport.
The persons listed shall report occurrences within 72 hours of becoming aware of the occurrence, unless exceptional circumstances prevent this.