What if a crewmember fell overboard...they could be unconscious...it could be night time...they might have drifted out of sight...how would you know...how would you find them? A Sea Marshall® Man Overboard System gives an immediate warning of a Man Overboard and the ability to very quickly track and locate the missing person.

   1.   Crew member wearing Sea Marshall® Man Overboard Alerting Unit falls overboard.

   2.   Sea Marshall® Man Overboard Alerting Unit auto activates after 5 seconds immersion.

   3.   Self Managed Rescue...Crewguard Man Overboard Alarm raises the alarm on the installation. A fast rescue
        craft fitted  with a Sea Marshall® SARfinder Man Overboard Locator unit is immediately deployed to track
        and locate the missing person.
        Coast Guard Assisted Rescue...Local Coast Guards are radioed and requested to locate a Man Overboard
        who is lost and wearing a Sea Marshall® Man Overboard Alerting Unit 121.5MHz 'SOS' homing transmitter.

Self-managed MOB ALERT/LOCATING System
Fitted to the Platform...
Crewguard CG-121 MKII Man Overboard Alarm
  • Automatic immediate Audio and Visual Alerting of MOB (Loud audio alarm combined with flashing hyper bright LED MOB warning lights on display) /li>
  • Easy to operate with user friendly controls
  • Approximate range indicator - near or far
  • Waterproof IP-66 display
  • Test & Trials Frequencies 121.65MHz & 121.775MHz 12/24V
  • External Siren/Alarm included for loud audio MOB alerting
  • Optional High Gain external antenna for extended coverage on large platforms (Price on Application)
Worn by each of the following Deck worker, Overside worker, Crew in helicopter transit… Fitted to the Stand by vessel And Fast Rescue Craft…
ISPLB8X (ATEX) Intrinsically Safe Man Overboard Alerting Unit
 SARfinder® 1003 MKII Man Overboard Locator/Alarm
Click to Enlarge
  • No limit to the number of Alerting Units used in the system
  • Intrinsically Safe Ex ATEX
  • No limit to vessel size
  • Fully Automatic activation with manual over ride
  • Splash activation prevention technology
  • Easy to use and maintain
  • Miniature size
  • User replaceable 5 year battery
  • Fully waterproof and robust
  • Self Test facility
  • Battery Status Indicator
  • Unique Electroluminescent Detachable Antenna Necklace
  • Easily Integrated into lifejacket
  • 121.5MHz Integrates with SAR services
  • Test Frequencies 121.65 MHz and 121.775 MHz available
  • Automatic immediate Audio and Visual Alerting of MOB (Loud audio alarm combined with flashing hyper bright LED MOB warning lights on display)
  • Immediate Locating of an MOB on the LED compass style display
  • Approximate range indicator
  • Easy to operate with user friendly controls
  • Shows direction of MOB relative to ships head on clear
  • LED compass style display
  • Approximate range indicator – near or far
  • MOB collision avoidance warning indicator
  • High quality construction
  • Antenna includes 16m cable and brackets as standard
  • External MOB Siren included
  • Mounting brackets for the antenna and display included
  • Waterproof IP-66 display (fully sealed IP-67 version available)
  • IP-67 Antenna
  • Test & Trials Frequencies 121.65MHz & 121.775MHz
  • 12/24V power supply
  • Option for Sea Marshall® CREWFIX® NMEA GPS output

Low cost ... used by professional operators worldwide
Alerting Unit Approx Range Distances

‘As used by professionals the world over!’


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