Alerting Unit

Sea Marshall® PLB8-MS Submarine Rescue Alerting Unit


Miniature, highly effective, low cost personal protection for the whole crew…depth rated to 300 metres!
1. Submarine in normal operation and gets into difficulty.

2. Crewman wearing PLB8-MS Submariner Alerting Unit exits submarine (with Alerting Unit around his neck, his hands are free) Alerting Unit automatically activates after 5 seconds immersion as crewman rises to surface.

3. Crewman reaches surface with Alerting Unit already transmitting. The 121.5 MHz signal and ‘SOS’ light signal from each crewman wearing a AU is tracked by rescue teams and the Crewman is recovered.
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Disclaimer: Sea Marshall® Alerting Units/MSLDs are an 'Aid to rescue only', they do not guarantee your safety. The Sea Marshall® MSLDs will dramatically increase the chances of detection and location of a Man Over Board. Personal safety remains at all times the sole responsibility of the individual. It is the responsibility of the individual to inform their local Coast Guard, their senior personnel/crew members and or family of their intended location/destination and estimated duration of journey. It is also the responsibility of the individual to notify these people of the type of safety equipment they will be carrying. In the case of accidental activation the user should de-activate the unit and notify the appropriate Search And Rescue Authority.

ISOQAR - 9001 Certifcation COSPAS-SARSAT Phase-Out of 121.5MHz?
New!! Alerting Unit
© Marine Rescue Technologies Ltd
Units 3 & 4, Front Street Court
Middleton On The Wolds
Driffield, East Yorkshire
Y025 9TZ, United Kingdom
Tel: 00 44 (0)1377 219 560
Fax: 00 44 (0)1377 219 561
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