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Licensed Hong Kong Marine Compass Adjuster
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' (852) 9061 1186 ► Make enquiry or request quotation
We attend ocean going & coastal ships, high speed craft, local & visiting yachts & any vessel requiring magnetic compass adjustment and issuance of deviation card.
Our experienced compass adjuster holds a full licence issued by the Austrailian Maritime Safety Authority, which is recognised by the Hong Kong Marine Department & marine authorities worldwide, has adjusted magnetic compasses on many hundred vessels of all types & sizes & has installed new compass systems on fishing trawlers, sailing & motor yachts, merchant vessels & warships.
► Request a quotation .
► 羅 盤 自 差 補 償 及 校 正 .
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A reliable & accurate magnetic compass is required on sea going vessels for safe navigation. |
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Merchant vessels are often subject to costly detentions by Port/State Control authorities should they fail to comply with this requirement. |
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Compass deviation error must not exceed 5 degrees on any heading. |
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After adjustment/calibration, we will issue certification & deviation curve/table, enabling vessels to meet all local & international requirements with regard to the magnetic compass, including those of:
- Marine Department Hong Kong - ► Click here for requirements
- IMO (SOLAS 74 Convention & HSC Code)
- Port/State Control inspections
- All Flag State administrations
- Classification societies
- Yachting federations
- Insurers, etc
- ISO 25862
- Good seamanship
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How often should a magnetic compass deviation card be issued?
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SOLAS vessels at 2 year maximum intervals* (annually if transiting the Panama Canal) & ALL vessels when any of the following apply:
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On a new vessel |
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After periods of lay up |
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A new compass is installed |
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Deviation exceeds 5 degrees on any heading |
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After trauma, such as lightning strike, grounding, fire, etc |
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Compass performance is unsatisfactory or unreliable |
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A record of compass deviation has not been kept |
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After alterations & additions to vessel's structure & equipment |
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Repairs involving welding, cutting, grinding, etc may affect the compass |
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Electrical or magnetic equipment close to the compass is added, removed or altered |
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Compass deviation does not correspond with that shown on deviation card |
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The validity period of the deviation card set by the national or state marine authority is due to expire |
* Check with Flag State marine authority for any additional requirements.
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