Voyage Data recorder operation, VDR capsule, Data recorded

Voyage Data recorder operation, VDR capsule, Data recorded

VDR
Data recording system.
Collect data from various sensors.
Store the collected data in an externally mounted unit. (Capsule)
Capsule is tamper proof – fire, explosion, collision, sinkage.

SVDR
Simplified voyage data recorder.
Collect normal ship data.
Lower Cost.

VDR capsule
Capsule is tamper proof – fire, explosion, collision, sinkage.
Storage unit.
Fixed or float free unit.
Retrievable.
Store data for at least 12 hours.

VDR operation or principle
Two unit: Data collection unit, Data recorder unit.
DCU: Collect data from various sensors.
DRU: Store the collected data in an externally mounted unit. (Capsule). Capsule is tamper proof – fire, explosion, collision, sinkage. Fitted at monkey island.
The battery power supply to the DCU for at least 2 hours in case of power failure.

What are the Data recorded
GPS – date, time, position, speed, heading
Audio – bridge audio, VHF audio
RADAR data
ECDIS data
AIS data
Echo Sounder
Alarms
Wind speed, direction
Watertightness, fire door
Hull opening
Hull stress