Jesmond's Sapphire stock often gets utilised on other more demanding routes when required (particularly the Pulsar's), sure enough today 1513 was out on the 685, it was then swapped for a Sapphire E400 to perform the double decker booked 12:45 685 off Newcastle (chances are it spent half the morning parked in Eldon Square), in addition to those two being missing, 1479 was out on the X16.
