Definition of Alerting service

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Alerting service Definition from Business & Finance Dictionaries & Glossaries
BTS Transportation Expressions
A service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid and assist such organizations as required. (FAA4) 
By the Bureau of Transportation Statistics.
Alerting service Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
(*) A service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid, and assist such organizations as required.
  
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )