ETHANE stands for:2: 9
In the event of this being used for a major incident, the reporting first on scene officer would not usually get involved with the rescue work, but act as a co-ordinator on scene for arriving emergency vehicles. This may be achieved by the first vehicle on scene leaving its lightbar running, whilst all others turn theirs off on arrival, to make identifying the incident officer easier.
Joint Emergency Services Interoperability Principles website http://www.jesip.org.uk ↩
Russell, RJ (February 2000). "The Approach to a Major Incident". Journal of the Royal Army Medical Corps. 146 (1): 8–12. doi:10.1136/jramc-146-01-02. PMID 15241977. http://jramc.bmj.com/content/146/1/8 ↩