BARLESS TOWING
(a)Barless towing should be based on the applicable SAE ARP (Aerospace Recommended Practices), i.e. 4852B/4853B/5283/5284/5285 (as amended).
(b)Pre- or post-taxi positioning of the aeroplanes should only be executed by barless towing if one of the following conditions are met:
(1)an aeroplane is protected by its own design from damage to the nose wheel steering system;
(2)a system/procedure is provided to alert the flight crew that damage referred to in (b)(1) may have or has occurred;
(3)the towing vehicle is designed to prevent damage to the aeroplane type; or
(4)the aeroplane manufacturer has published procedures and these are included in the operations manual.