Imagine surfacing from your Dive only to discover that the dive boat has left without you or that you have drifted out of sight…!!! Protect yourself and people Diving from your boat with the Sea Marshall® Lost Diver Locating System.

Patented Sea Marshall® PLB8-LD ’SOS®’ Oil Filled Lost Diver Alerting Unit/ Pressure Proof to 100m depth

  1. Diver wearing Sea Marshall lost diver Alerting Unit dives.
     
  2. Diver drifts out of sight of dive boat during dive, realises they are lost and activates their Sea Marshall® PLB8-LD ’SOS®’ lost diver Alerting Unit.
     
  3. Self Managed Rescue...Sea Marshall® SARfinder Locator unit fitted to the boat immediately alerts the crew of an ‘SOS’ signal from a lost diver and is used to track and locate the missing person.
    Coast Guard Assisted Rescue...
    Local Coast Guards are radioed and requested to locate a lost diver who is wearing a Sea Marshall® Lost Diver Alerting Unit 121.5MHz 'SOS'




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PLB8-LD ’SOS®’ lost diver alerting unit

  • Pressure proof to 100m depth (oil filled)
  • 5 year life and built in battery status indicator
  • Robust design
  • Test Frequency Units 121.65MHz & 121.775MHz
  • 121.5 MHz, integrates with SAR services
  • PLB8-LD ’SOS®’ can be used on its own or as part of the lost diver locating system
  • Comes supplied with a small card which says ‘I AM CARRYING A 121.5MHz PLB’ in multiple languages, this can be given to the crew of the boat you are diving from on each dive as an added safety measure
  • Neoprene carry pouch available
  • SMB/PLB8-LD ’SOS®’ combination available to give increased ‘SOS’ signal range

The Sea Marshall® Diver Alerting Unit has a 5 year operating life after which time the unit will need to be replaced. We are offering a discount on a new unit to existing customers, return your old unit to the manufacturer at the address on the front of the site to receive a 10% discount from the cost of a new unit. The same discount replacement offer applies if you use your unit in a live emergency rescue within the 5 year period.


Optional locator unit fitted to dive boat
SARfinder1003 MKII locator unit

  • Automatic immediate Alerting & Locating of a lost diver
  • Easy to operate with user friendly controls
  • Shows direction of lost diver relative to ships head on clear LED compass style display
  • Approximate range indicator - near or far
  • Lost diver collision avoidance warning indicator
  • High quality construction
  • Antenna (includes 16m cable & brackets)
  • External Siren/Alarm included for loud audio lost diver alerting
  • Waterproof IP-66 display (fully sealed IP-67 version available), IP-67 Antenna
  • Test & Trials Frequencies 121.65MHz & 121.775 MHz 12/24V power supply
  • Option for Sea Marshall® CREWFIX® NMEA GPS output
  • Low cost... used by professional operators worldwide


Surface Mounted

Flush Mounted

Bracket Mounted

Antenna

PLB8-LD ’SOS®’/SMB combination
Sea Marshall® 'SOS®' SMB (surface marker bouy)

By combining your Sea Marshall® PLB8-LD ’SOS®’ lost diver Alerting Unit with an SMB the ‘SOS’ signal range is increased by approx. 500%.

With the addition of a line to the SMB the PLB8-LD ’SOS®’ can be used to clearly indicate the position of an incident on the sea bead.
Alerting Unit Approx Range Distances

‘As used by professionals the world over!’