Notifier Develops Robust, Reliable Fire Protection for Marine Applications; Three Major Marine Testing Agencies Approve NOTIFIER Systems. NOTIFIER by Honeywell has announced a line of fire alarm systems that deliver robust, reliable fire protection for a broad range of marine applications, supported by a worldwide network of experienced Engineered Systems Distributors (ESDs). Following a rigorous series of tests, NOTIFIER's Marine ONYX® systems have approval for Marine applications from USCG (U.S. Coast Guard), Lloyd's Register, and ABS (American Bureau of Shipping).