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SCOPE

No doubt, that despite of the modern technologies, Vessel Owners, Vessel Operators, Masters, Officers,, Coastal Pilots and Industry Organizations are recognizing the importance of non-digital Conventional equipment like magnetic compasses and the need to maintain deviation within acceptable limits in accordance with SOLAS V/19.2.1 and IMO Res. A.382(X) requirements

OBJECTIVE

Adjustment of deviation of magnetic compass is requiring assistance of qualified professionals most of the times

Sea Harmony in cooperation of IACA are offering the service of such professionals. Our team consist of exsea going Masters who were additionally trained and are qualified Compass Adjusters certified by ABS Class.

INTRODUCTION

The unique feature of our service that we can conduct adjustment of deviation of vessel’s magnetic compass remotely, providing clear instructions and guiding Officers on board via by e-mail.

Our remote adjustment will considerably reduce the cost, do not require delay the vessel, expensive boat services for embarking and disembarking Adjustor or restrictions in coastal sailing for Compass swing. It can be done while vessel is underway towards her next port of call.

It is not necessary to make full turn 360 degrees for verifying deviation. We carry out compass adjustment based on one quadrant of deviation data.

All required is Officers cooperation and following the instructions in the process of remote magnetic compass adjustment.

PREPARATION

Initial preparation.
It will require the following basic data:

  • AA) Copy of ship particulars
  • BB) Copy of the last certificate with residual deviation table
  • CC) Magnetic compass maker and type
  • DD) Magnetic compass bowl condition: Is any bubble in the compass bowl? Is the compass card moving smoothly? Any deterioration of compass card?
  • EE) Current ship position and next port of call with ETA.

Further preparation and check up
Next, we would require ship’s Navigating Officer to advice what is magnetic compass correcting tools condition and obtain deviation data after receiving of first information.

  • AA) Correcting tools condition
  • BB) Deviation data. Reporting sample is following: Magnetic compass heading dial/Gyro compass heading dial/Ship position.

Example:

  • 090/083/35.0 N, 140.3 E
  • 135/128/same as above
  • 180/173/same as above

ADJUSTING PROCEDURE

After receiving of deviation data, we will analyze each coefficient based on those figures, and recommend setting correcting tools accordingly. We request to take again deviation data after adjustments to verify results and produce a certificate.

We repeatedly do the same until all adjustments have been done properly (in accordance with SOLAS requirements).

CERTIFICATE FOR COMPASS ADJUSTMENT

Upon completion of the compass adjustment, you will receive appropriate certificate endorsed by qualified Compass adjustor

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