In order of arrival
DUKE17 15-20743 (this was the one not plotting on ADSB)





DUKE64 15-20754 (arrived in the overhead first but headed out past Nairn before turning back)

with DUKE32 behind


DUKE32 15-20745



DUKE59 10-20272





L to R DUKE59/32/64/17

I had a feeling that they weren't going to stay long at Inverness Airport and sure enough all four had relocated into Cameron Barracks by 1615, with some spectacular flying over the City, hopefully a taster for the next couple of weeks