NJS once upon a time plied the shuttle route with a Chieftan but in '99 in a cost cutting exercise gave that up to ASA .. those pilots being absorbed into the NJS system. Since that time NJS have flown ADL- Moomba with a Dash.
But, a zillion years ago when Wazza actually kicked off the NJS concept it was with a 146QT .. (ADL-Moomba during daylight and freight by nightlight) so, perhaps it is simply a return to the days of yore ...