The use of auxiliary power units (APUs) prior to departure has been reconsidered following the coronavirus outbreak.

Самолёты на фотографии: Aircrafts on the photo: Boeing Boeing 777 - СШАUSA - 1994

Previously, major incidents including the loss of Air France flight 447 on June 1, 2009 have been responded to with changes to standard operating procedures.

Самолёты на фотографии: Aircrafts on the photo: Airbus A330 - InternationalInternational - 1992

Standard operating procedures are an integral part of commercial aviation operations.

Самолёты на фотографии: Aircrafts on the photo: Airbus A320neo - InternationalInternational - 2014