Compass adjustment

Compass adjusting sea-going vessel

Magnetic compasses should be adjusted when:

• they are installed for the first time
• they have become unreliable
• repairs or structural alterations have been made to the ship that could affect its permanent and/or induces magnetism
• electrical or magnetic equipment close to the compass is added, removed or altered
• the recorded deviations are excessive or when the compass shows physical defects
• at any time deemed necessary by the master of the safety or navigation.

Adjustments will be carried out by a qualified compass adjuster.

Article No. 9.17.0005