Man Overboard 'self managed' alert & locate systems
...for commercial shipping & Yachts
Lone Worker 'man down' man overboard monitoring systems
...for Jetty workers, Fishfarms, Reservoirs, Lakes and Landfill sites
Click for range distances
Sub-sea - personal locator beacons and self-managed locating systems
...for sport & professional divers & submariners
Helicopter Transit Personal Locator Beacons
...for the offshore flight industry

…unlike other systems the Sea Marshall® Man Overboard system continuoulsy monitors all your crew, 24/7…if a crewmember fell overboard, or drifted our of sight on a dive they could be unconscious…it could be night time, they might be out of sight…how would you know…how would you find them…??? A Sea Marshall® Maritime Survivor Locating Device gives you peace of mind to know that your crew are safely covered. For the time it took you to read this, a Sea Marshall® Man Overboard/Lost Diver Locating system/Lone worker could have potentially saved your life.

…click on one of the images below which matches your activity or select a button from the navigation bar to find out more.

HELICOPTER TRANSIT
A new helicopter transit long range tracking digital beacon will be providing safety cover for offshore helicopter passengers.

COMMERCIAL
Marine and Fishing (the Sea Marshall® system has been adopted by the Spanish Fishing Fleet as part of its legislation for MOB on all fishing vessels).
OIL & GAS
The Intrinsically Safe version of the Sea Marshall® system is used extensively throughout the oil & gas industry worldwide.

DIVE
Commercial and Leisure, a growing number of dive operators are using the pressure proof version of the alerting unit as part of their lost diver alert & locate systems.
AQUACULTURE
We are pleased to say that Marine Harvest are amongst the first of the safety conscious fish farm operators to be using the Sea Marshall® unmanned man overboard monitoring system.
RENEWABLE ENERGY
Offshore windfarm operators are using the Sea Marshall® system on a daily basis.



SUBMARINE ESCAPE
The Sea Marshall® submarine escape Alerting Unit (tested to 300m depth) is used by a number of the worlds navies.


YACHTING
The Sea Marshall® MOB alert & locate system is used amongst a number of the worlds superyachts and sport and leisure sailors.


COMPANY OVERVIEW
The Sea Marshall® brand derives its name from David Marshall the man who invented the concept of Personal Locator Beacons for commercial use back in the early 1970s. Marine Rescue Technologies Ltd. today retains it links and is a thriving family owned enterprise which manufactures and sells the award winning Sea Marshall® Maritime Survivor locating devices worldwide.