Northern Territory Consolidated Regulations Northern Territory Consolidated RegulationsThe air pressure in each air brake reservoir in a B-double or road train must recover to at least 420 kilopascals within 1 minute after 3 full brake applications have been made within a 10 second period if, before the 3 brake applications have been made:
(a) the engine is running at maximum speed; and
(b) the governor cut-in pressure is no higher than:
(i) the pressure specified by the vehicle's manufacturer; or
(ii) if there is no manufacturer's specification – 550 kilopascals; and
(c) the air pressure in the storage tanks of the vehicle is not under:
(i) the average of the maximum and minimum pressures in the operating pressure range specified by the vehicle's manufacturer; or
(ii) if there is no manufacturer's specification – 650 kilopascals.