NFIRS 5.0 Element: ‘Automatic Extinguishment System (AES) Operation’

Définition : The operation and effectiveness of the automatic extinguishing system relative to the area of fire origin.
Purpose : Knowing the usage, reliability, and effectiveness of AESs is important to the understanding of fire control and life safety in buildings with and without extinguishing equipment.
Entry : Check or mark the box that indicates if the AES operated and was or was not effective. Effective does not necessarily mean complete extinguishing, but the system must at least contain and control the fire until the fire department can complete extinguishment.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 1
Element Type Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.


Here are the NFIRS codes for the ‘Automatic Extinguishment System (AES) Operation’ element

Automatic Extinguishment System (AES) Operation  Code 
System Operated And Was Effective 1
System Operated And Was Not Effective 2
Fire Too Small To Activate System 3
System Did Not Operate 4
Operation Of Aes, Other 0
Undetermined U

Relational Edit Rules for ‘Automatic Extinguishment System (AES) Operation’

NFIRS defines relational edit rules to ensure data consistency and accuracy in its database. These are the rules for ‘Automatic Extinguishment System (AES) Operation’

Rule Group  Overview 
Relational Edit Rule 79 relational edit rule 79.
Relational Edit Rule 80 relational edit rule 80.
Relational Edit Rule 81 relational edit rule 81.

Transactions containing ‘Automatic Extinguishment System (AES) Operation’

The value of this element is captured by the following transaction :

Need more NFIRS help?

Here are some other useful ressources to learn more about NFIRS.

NFIRS Codes Cheat SheetNFIRS CodingNFIRS ExamplesFDIDsPOCsNFIRS TransactionsNFIRS ModulesNFIRS ElementsNFIRS RulesNFIRS ReferenceNFIRS Compliant ?

You can also read this NFIRS 5.0 Complete Reference Guide, and NFIRS 5.0 Design Documentation in order to have a deeper understanding of NFIRS 5.0. Here are also NFIRS 5.0 Forms ready for you to download and use.

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Last Updated on April 27, 2023