4SP5, hauled by NR102 and another NR class unit powers over the crest of the long grade from Wirappa into Pimba, to cross GWA's 4DA2 service, hauled by GWU003 and GWU005 sitting in the 'hole'.
Pimba is 272km North West from the start of the TAR at Coonamia.
The Trans Australian Railway operates on Train Authority Safeworking, with SP5 soon to recieve it's next order to proceed a further 100km West to Kultanaby, for a cross with PN train 4PM6.
