50015 was new to 40A in late 2/57.
Withdrawn from passenger use in 7/89 and converted to parcels car 55929.
Then went into departmental use as 977775 paired with 977776 (56015). Used as an Advanced Passenger Train development and training coaches, then became route learning and inspection saloon vehicles, and finally they were used as an Automatic Train Protection Test Unit.
 |
This set of photos shows some of the work done in conversion to the ATP unit. This one 2/8/91, showing the floor area in the former van.. All by John Reddyhoff |
|
 |
Left: Looking in the same direction as above. Right: Looking from the former van area towards the cab. These two 8/11/91 |
 |
 |
Two on 6/3/92. Left: The completed front end, right, a cab instrument. |
 |
 |
The vehicle is seen here as 977775, paired with its departmental partner 977776 (56015). Warrington Arpley, 7th August 1996. Paul Moxon. |
It was passed into EWS ownership, and spent a while stored at Thornaby until sold by tender to the Midland Railway Trust Railcar Group.