TOPS Code/Class: | NQA | Previous | Next | |
TOPS Category: ?This is my own (unofficial) means to categorise TOPS codes based on what they relate to and whether they are long (4 characters, i.e. including sub-codes) or short (3 characters) | SC - Short Code, Coaching Stock | In selection ?This works on your last-used TOPS selection, including any filters and sort orders. Buttons will not show if the current TOPS code was not in your last selection, or if you are at the beginning or end of the data set. | ||
TOPS GENKOC: ?The first character of a TOPS code is known as the GENKOC and indicates the general type of rolling stock (e.g. 1xx are DMUs). | N - Non-Passenger-Carrying Coaches | Overall ?This works on the overall TOPS code list without any filtering or sorting applied. | ||
TOPS BRAKTY: ?The third character of many TOPS codes is the BRAKTY, indicating the type of braking equipment fitted (e.g. A indicates air brakes). | A - Air brakes | |||
Description: | High Security Brake Van | |||
Numbers: ?Numbers are only shown where the ranges were limited. Otherwise, refer to the listings section below. The letter r after the numbers indicates this is a range, with not all numbers in the sequence used. | 94500-94538r | |||
Status: | Defunct | |||
Date On: | c2001 | |||
Origins: | Recoded from NBA/NIA | |||
Date Off: | c2006 | |||
Destiny: | Withdrawn | |||
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Design | Class | Series | Description | Status |
NQ503 | NQA | BR TOPS Carriage Diagram | High Security Brake Van | Defunct |
NQ503.0A | NQA | BR TOPS Carriage Design Code | High Security Brake Van | Defunct |
Note added Sun 24/01/2021 by Thomas Young Category: Classification/Coding TOPS code NQA was used for High-Security Brake Vans (ex NBA) modified for 110mph operation and for use with class 90/2 locos that were fitted with composition brake blocks. Source: BR Locomotives & Coaching Stock 2005 (Platform 5) |