Airline crew need to face tougher monitoring, the European aviation safety watchdog has recommended in a report to the EU.
The report, assessing air safety and security rules, follows the apparently deliberate crashing of Germanwings flight 4U 9525 in March.
It endorses the "rule of two", where there should never be fewer than two people in the cockpit.
And it proposes improved medical and psychological checks on crews.
The European Aviation Safety Agency (Easa) has delivered six recommendations for action to the European Commission:
- The principle of 'two persons in the cockpit at all time' should be maintained.
- Pilots should undergo a psychological evaluation before entering airline service.
- Airlines should run a random drugs and alcohol programme.
- Robust programme for oversight of aeromedical examiners should be established.
- A European aeromedical data repository should be created.
- Pilot support systems should be implemented within airlines.
The European Commission will review the recommendations, taking into account advice received from other sources such as the independent accident investigation led by the French Civil Aviation Safety Investigation Authority (Bureau d'Enquêtes et d'Analyses (BEA)).
Where legislative action is to be taken, EASA will be requested to develop concrete proposals, which will then be included in EU aviation safety regulations.
EASA will also be asked to produce non-legislative deliverables such as guidance material and practical tools for information sharing, and to monitor actions taken by Member States and industry.