ECAC guidance and codes of conduct Posted in Documents ECAC guidance Title Download Guidance note on conducting investigations during a pandemic (December 2020) ECAC Air Accident and Incident Investigation Group of Experts (ACC) Guidance on the Preparation for Investigations in Extreme and Challenging Environments (November 2015) ECAC Air Accident and Incident Investigation Group of Experts (ACC) Guidelines for the Noise Measurement of Homebuilt Aircraft (7 May 2013) ANCAT ad hoc Group on Noise Measurement of Homebuilt Aircraft Guide de mesure du bruit des aéronefs de construction amateur (7 Mai 2013) - French ANCAT Groupe ad hoc sur la mesure du bruit des aéronefs de construction amateur Guidance on the Underwater Location and Recovery of Aircraft Wreckage and Flight Recorders (November 2012) ECAC Codes of Conduct Title Download Code of Conduct on Cooperation in the Field of Civil Aviation Accident/Incident Investigation (December 2016) ECAC Code of Conduct - Ground Handling for Persons with Reduced Mobility (2003) ECAC Code of Conduct for Computer Reservation Systems (CRS) (2000)