Please does anyone have some sample formation (actual vehicle numbers) for the locomotive hauled First Great Western services which operated around 2000-2003 using Mk2e/f air-cons? In those days normally hauled by their own pool of Class 47's (811, 815, 816, 830, 846 and others) and trial Porterbrook livery 57601 as their own four 57602-605 came later.
Online research suggests they typically ran as 7 cars, formed BSO, TSO, TSO, TSO, TSO, FO?, FO but one of the FO's had a modified window layout and contained a "micro buffet" positioned at the standard class end of the vehicle. What was the classification of these and/or does anyone know a typical vehicle number, were they just RFB vehicles in the 12xx series or their own varient? Some of them were extended to 9 cars by the addition of two modified GUV vehicles in use as Motorail but I'm not trying to model those.
Some, but certainly not all, BSO were modified with a disabled toilet and had the first full window bay reduced to half-sized, I could do with a number for the ones which did get that modification. #9488 which was at Barrow Hill for some years after is an example of a modified BSO, I've found photos of "regular" FO's but none of the buffet added FO other than within formations.