Passengers requiring oxygen therapy during the flight can carry an oxygen tank together with their hand luggage free of charge. Liquid oxygen tank is not permitted. The request for the carriage of the oxygen tank shall be made through the Customer Care of the airline at least 48 hours before departure. You shall to specify:
• The manufacturer and the model of the device;
• Type of disposable or rechargeable batteries used by the device;
• Whether the device is required continuously or intermittently.
When requesting via e-mail, it is also recommended to send photos of the device, as well as relevant scanned documents.