Originally Posted by
audioguy
Near the end of the video there is a sequence crossing Rannoch Moor in the highlands with the helicopter very close to the locomotive. At about 57:16 you can see the reflection of the white helicopter in the loco windows and to my untrained eye it looks like a Squirrel?
That is definitely a Squirrel of some variety. The chin window and the tip of the skid are the giveaways.