Mossend-Inverness-Aberdeen-Inverness?

[Norther Monkey]

Curious as to purpose of this service RTT Link if anyone can help with my curiosity.

 

[BigB]

This was the monthly PLPR (plain line pattern recognition) scheduled run 1Q77 with 37219 and 37116.
It then runs 1Q78

Realtime Trains - FRGT 1312 Inverness Millburn C.Rail to Inverness Millburn C.Rail

Realtime Trains is an independent source of live realtime running information for the Great British railway network.

www.realtimetrains.co.uk

Then 1Q79 back to Mossend

Realtime Trains - FRGT 1452 Inverness Millburn C.Rail to Mossend Down Yard

Realtime Trains is an independent source of live realtime running information for the Great British railway network.

www.realtimetrains.co.uk

It's always a welcome visitor up here!

 

[Norther Monkey]

This was the monthly PLPR (plain line pattern recognition) scheduled run 1Q77 with 37219 and 37116.
It then runs 1Q78

Realtime Trains - FRGT 1312 Inverness Millburn C.Rail to Inverness Millburn C.Rail

Realtime Trains is an independent source of live realtime running information for the Great British railway network.

www.realtimetrains.co.uk

Then 1Q79 back to Mossend

Realtime Trains - FRGT 1452 Inverness Millburn C.Rail to Mossend Down Yard

Realtime Trains is an independent source of live realtime running information for the Great British railway network.

www.realtimetrains.co.uk

It's always a welcome visitor up here!

Thank you.

 

[Freightmaster]

...if anyone can help with my curiosity.

Further to BigB's informative reply above,
this is what the train looks like:

37175 - Dalmarnock

37175 and 37254 are seen heading north past Dalmarnock Farm with the 4 weekly PLPR test train running as 1Q77 Mossend to Inverness

www.flickr.com

MARK

 

[Norther Monkey]

Thanks all, explains why the noise coming through the bedroom window was different from the usual 158/170/HST!

 

[BigB]

This was late running from Perth on Monday, and so did not get looped at Linlithgow, which meant when the crew drop off was done, it stormed out of the station to make some time up heading for Fife, with both engines making sweet evening music.