More HSTs appear to be in their intended diagrams than in November.
43139 leads 1A55 09:28 Edinburgh - Aberdeen ...
... with 43177 on the tail.
43126 running southwards with 1B18 09:04 Aberdeen - Edinburgh (earlier seen in 2013).
43140 on the rear.
At night, 43141 passing with 1B43 17:15 Aberdeen - Edinburgh ...
... with 43168 on the rear.