Article 139: Aircraft Accident and Incident Investigation

  1.         The Member States undertake to conduct effective and comprehensive investigations into aircraft accidents and incidents with a view to enhancing the technical conditions for the safe delivery of air transport services.
  1.         The Member States shall, to the extent practicable, make available appropriate equipment,  facilities and personnel to assist in the investigation of aircraft accidents or incidents which occur within the Community and take effective measures to protect the property of victims, relevant evidence and the crash site from interference and unauthorised entry.
  1.         The Member States shall collaborate with third States and competent international organisations in the conduct of aircraft accident investigations.