MARINE SYSTEMS                    (Light Commercial, Recreational)

 INNOVATIVE DEVICES
Marine systems have changed little during the past sixty years and present a prime opportunity to apply sensor, data trending and actuating technology. Many situations which affect vessel safety or management have been tolerateded due to slow adoption of technology developed for land use and slow owner acceptance of new products.

ISLAND SENSORS has developed and tested solutions to problems familiar to captains, vessel owners and insurers. In short-handed situations or where crew are tending multiple tasks, instrumentation coupled with local alarms or actuators enhances safety and productivity without extensive vessel modification or capitol investment.
Brief descriptions of selected devices are provided below.

SELECTED PRODUCTS

NOTE: Most devices require minimal vessel modification and may be self-installed.

Most of these devices are not available from any other source.

** An ANCHOR ALARM notifies crew via coded radio signal if ground tackle moves beyond a user-set radius on the seabed. A pager or mast strobe are activated to alert crew or nearby vessels if anchor drags as little as two feet.

** A ROLL/LOADING SENSOR provides an alarm on fishing trawlers to indicate adverse loading or instability, by detecting differences in metacentric height/cg. Many vessels have been lost due to unevaluated trim conditions resulting from structure modification or inattention to hatch loading combinations even in mild sea states.

** MAN-OVERBOARD and DOCKSIDE CHILD MONITOR sensors alarm when crew or guests enter water undetected. The unit may be programmed to deploy rescue strobe/PFD, dye pack, mark GPS coordinates, or secure engines automatically. Dockside the sensor may be attached to children to alarm if they fall into the water or wander beyond a set radius from the ship-mounted or pager-style receiver. Optional tracking transmitters may also be worn by crew for easy offshore location and retreival.

** A calibrated BILGE MONITOR measures and compares water inleakage to a pre-set standard. Slow loss of onboard fresh water or increase in shaft log leakage (or other external inleakage) are measured and alarmed so crew may begin source investigation before bilge pumps are challenged. High bilge water alarms are not effective and do not provide adequate warning.

** NAVIGATION LAMP FAILURE MONITOR signals when a navigation lamp fails. An audible (or visual)signal alerts crew to a specific lamp failure or operates as an aid to checking lamps not normally visible in direct sun (such as mast top anchor)Prevents misleading lamp display if failures occur underway.

** A UNIQUE ELECTRICAL DISTRIBUTION design provides increased lightning protection for sensitive electronics, reduces terminal count by more than 60%, wire useage by 40-70% and improves reliability. Any device may be controlled from any location in the vessel by coded RF or IR link.

** An ALARM PAGER dials a cell phone (to ANY location, activates a local pager (5 mile range) or sends an SMS to notify of alarm conditions aboard at anchor or dockside. Intrusion, high bilge level, low battery voltage, dragging anchor (or break from mooring), freezer failure, fire or any variable may be monitored for instant notification. May be used offshore, while dockside or at a mooring or anchorage.

** An ASYMMETRIC/RECONFIGUREABLE KEEL has been designed and tested. The keel camber/section may be changed while underway (or automatically in response to yaw)to provide improved upwind performance and sailplan balancing. ALso functions well as a development tool since moveable surfaces are banned under most race rules.

** REMOTE MAST INSPECTION ROBOTS have been built to inspect masttop hardware without climbing the mast (even while underway). One model climbs the mast slide, the other climbs the backstay to provide video inspection or to reeve a new halyard without leaving the deck. May also be used to replace halyards underway or hoist a camera or other equipment to the mast top for an over-the-horizon or reef-seeking view.

** A DATA PACKAGE monitor has been designed to monitor all parameters necessary for performance evaluation. Meteorlogical, position, speed, attitude, sea state ,etc may all be recorded for later evaluation and performance improvement.

** A SKIER-CONTROLLED THROTTLE for water skiers allows limited control of the tow boat throttle for advanced acrobatic or precision maneuvers. Only simple modifications to the outboard throttle linkage are required.

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