The Navigation Echo Sounder is operated by ship's command only.

Summary

The navigation echo sounder delivers depth information in order to avoid grounding and ensure save ship navigation.


Manufacturer Wärtsilä ELAC Nautik GmbH
Model LAZ 5100
Serial No. n/a
Type not assigned


Transducer Frequency: 

50, 150 kHz

Contacts

Name Institution Role
Reederei Laeisz Reederei Laeisz Engineer In Charge

Components

The system consits of transducers located in box keel and the electronics and control panel, which are located on bridge.

Subdevices

Name Model Type
Nav_Lot_150Hz transducer LAZ5100 not assigned
Nav_Lot_50Hz transducer LAZ5100 not assigned

Position

Origin Description:xyz-position calculated from Alignment Survey Report RV Polarstern (2016), transducers located in box keel, electronics located on bridge
X:78.095 m
(X-0 is at the center of der rudder (ref. design drawing of the vessel), positive X-axis is forward and along vessel centerline )
Y:0.627 m
(Y-0 at centerline, positive Y-axis is portside )
Z:0.014 m
(Z-0 is set to the lowest point of the keel, positive Z-axis is upwards)

Data logging, storage and archiving

Logged parameters

Parameter Sensor Output Type Unit
depth depth m

Central geographical ship's position and time standard

Time synchronising via DShip.
Geographical ship's position via DShip.

Rawdata storage on board 

Data storage in DShip system.

Dship

Uncorrected measurement data.


|| Device name | navigation sounder || 
|| Parameters| depth \[m\] ||

Data archiving on land 

After the cruise the DShip data set can be extracted from https://dms.awi.de.


|| File format(s) | *.txt || 
|| Calibration certificates | NO ||