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Before tracks are marked on the chart the clearing distance from the no go areas needs to be considered. When a fixed is plotted on a chart it invariably represents the position of a certain part of the ships bridge at the time of the fix. With large ships, although the plotted fixed at a [...]
Posts Tagged ‘bridge’
Margin of Safety
Posted by author on September 2nd, 2008
Posted in Team Management 
Tags: bearings, bridge, buoys, circumstances, disastrous results, margin of safety, safety margin, ships 
No Comments »Operation and Maintenance of DP System
Posted by author on August 30th, 2008
As Dynamic Positioning is a vessel functions rather than a specific piece of equipment, it can be described as an integration of a variety of components such as Position Reference System (PRS), gyro compasses, computers, propulsion systems and the vessels power plant. DP systems are controlled by means of an Operator Station, usually located on [...]
Posted in (DP)DYNAMIC POSITIONING Tags: alarms, automatic rejection, best fit, bridge, conventional navigation, dp systems, dynamic positioning, failure scenarios, gyro, input data, joystick, navigational control, operator station, position reference, power plant, propulsion systems, prs, redundancy, reference system, reference systems, system laser, taut wire, typical position, underwater systems, watchkeeper, wind sensors 6 Comments »EPIRBs: False Alert and Guard Receiver
Posted by author on July 18th, 2008
An EPIRB should be mounted in an exposed location so that it may float free of obstruction if a vessels sink. EPIRBs are normally visible from the bridge if an EPIRB is dislodge or falls into the sea and it may transmit its distress message without those onboard being aware that it has done so. [...]
Posted in Communication Tags: battery replacement, bridge, bulkhead, circumstances, distress message, distress situation, epirb, epirbs, flights, heavy burden, helicopters, long distance, maintenance checks, rcc, routine maintenance, sar organizations, ships, volunteers, wheelhouse, wing aircraft No Comments »Emergency Steering from the Bridge and Engine Room
Posted by author on June 23rd, 2008
Emergency steering from bridge.
Give rudder order by the emergency steering tiller.
Start additional steering gear pump
Reduce speed (propeller pitch)
Inform Master and Chief Engineer.
Emergency steering in steering-gear room
On receiving order from the bridge for emergency steering, duty engineer shall immediately proceed to the steering gear room.
Start steering-gear pump nr 2 (stb), supplied via emergency switchboard.
Make contact with [...]
Posted in Navigation Tags: bridge, chief engineer, duty engineer, emergency switchboard, propeller pitch, rudder, speed propeller, stb, tiller, walkie talkie No Comments »BLACKOUT – LOSS OF POWER
Posted by author on June 23rd, 2008
In the case of a blackout, the ship is without power during a maximum of 30 seconds before the stand-by generator automatically takes over the provision of electrical current.
When power supply is re-established
Put Pith propeller-handle in 0 (zero) position.
Reset bridge control.
Check auto steering.
Inform the Captain.
Inform the Chief Engineer.
All alarm controls on bridge are supplied by [...]
Posted in Navigation Tags: blackout, bridge, check auto, chief engineer, pith, power supply, propeller, provision, stand by generator No Comments »
