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LTSV > Rail Data > Data > Codes > TOPS List > NQA
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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Destiny: Withdrawn
Key Photo:
Icon:
Sub-codes ?If this code had any sub-codes, they will be listed here.
None found
Designs/Diagrams ?Design codes and diagrams related to this code (and any sub-codes where relevant) are listed here.
2 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).
DesignClassSeriesDescriptionStatus
NQ503 NQA BR TOPS Carriage Diagram High Security Brake Van Defunct
NQ503.0A NQA BR TOPS Carriage Design Code High Security Brake Van Defunct
Batches ?Batches of numbers built or converted to this TOPS code are listed below. Note that only codes that were wholly to this code will appear, otherwise refer to the listings section for other numbers.
There are no batches recorded as being wholly to this TOPS code (including any sub-codes).
Profiles ?Profiles provide an overview of the histories of various types of train. Profiles that are relevant to this TOPS class/code are listed below. If no profiles are shown, try looking under the parent code (in main details section above)
Photos - Internal
There are no photos of this type.

Photos - External
No external photos of this item yet.
Listings
There are 12 listings (with 9 distinct numbers) for this TOPS code/class (including any sub-codes).


Notes
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)

Related Information
To be added
Dimensions ?Dimensions are normally recorded against design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available.
There are no dimensions recorded for this TOPS code.
Drawings ?Drawings are normally referenced to specific design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available. If no drawings are listed here, try looking at related designs/diagrams (above).
There are no drawings referenced for this TOPS code.
Data History
Record added 24/01/2021 by Thomas Young
This item has not been edited.