Two planes made contact with each other on two separate occasions, 15 February 2019 and 9 July 2019, during a pushback manoeuvre. The ISMS partners investigated the accident on 15 February. The investigation into the accident on July 9 is still ongoing. We set up a task force to develop measures to prevent this type of accident in the future and implements short term actions. The task force will review the recommendations from the joint investigation, and also take other measures into consideration.