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JRC

JBN-95A

JRC JBN-95A is identified in the source list as a bnwas (bridge navigational watch alarm). It is installed on the bridge and connected to the vessel's steering, heading and navigation interfaces appropriate to the system. Its purpose is to support bridge watchkeeping or automatic steering according to the function identified by the category. The existing database record provides no additional model-specific operating figure beyond the listed designation and category. The exact sensors, control algorithms, alarms and steering interfaces depend on the installed model and vessel configuration. The exact model designation identifies the control architecture and connected functions; capabilities and limits must be confirmed from approved system documentation.

Components & Design

Component data being added…

Technical Data

equipment category bnwas

solas approved True

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Common failures & inspection points

●Heading or navigation-input failure caused by sensor or network faults, resulting in alarms or unstable automatic operation

●Control-unit or display failure caused by power, hardware or software faults, resulting in frozen controls or loss of function

●Steering-interface fault caused by wiring, actuator or follow-up problems, resulting in poor response or inability to control the rudder

●Alarm or watchkeeping-sensor failure caused by defective buttons, sensors or configuration, resulting in missing or nuisance alarms

●Power-supply or backup failure caused by breaker, converter or wiring faults, resulting in system shutdown or repeated resets

Service & Maintenance

Verify valid heading and navigation inputs and compare commanded behavior with actual vessel response using approved test procedures. Inspect bridge controls, alarms, power supplies and data interfaces for faults or loose connections. Function-test changeover between automatic and manual steering where applicable and confirm that loss of input produces the expected alarm or fallback behavior. For watch-alarm systems, test reset devices and alarm escalation according to the vessel procedure. Back up configuration before approved software or hardware changes. Refer to manufacturer and bridge-system documentation for exact adjustment, test and commissioning procedures.

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Replacement Parts

Keep fuses, control switches, selected interface or power-supply modules and manufacturer-recommended electronic spares. For critical steering interfaces, replacement control units or sensors may be part of the vessel's strategic spare plan. Preserve approved software and configuration data.

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Equipment Model #67599 · ✓ still in production