Guidance

MGN 672(M)672 (M) Extended Dry-Dockingdry-docking

Extended dry-docking allows vessels to be inspected out of the water at 7.5 years intervals, rather than 2 inspections in 5 years (no more than 36-month intervals), subject to eligibility.

From:
Maritime and Coastguard Agency
Published
13 August 2025
Last updated
15 August 2025 — See all updates

Documents

MGN 672(M)672 (M) extendedExtended dry-docking

Ref: Rev 08 2025

HTML

MGN 672(M)672 extended(M) Extended dry-docking

Ref: Rev 08 2025

PDF, 190 KB, 7 pages

Annex 1 extended dry docking planning document

Ref: Rev 08 2025

MS Word Document, 94.9 KB

MSF6570 request for entry onto extended dry dock

Ref: Rev 08 2025

MS Word Document, 64.7 KB

MSF6571 extended dry docking company annual survey declaration

Ref: Rev 08 2025

MS Word Document, 86.8 KB

MSF6572 extended dry docking recognised organisation in water declaration

Ref: Rev 08 2025

MS Word Document, 89.3 KB

Details

Notice to all shipowners, masters and UK Recognised Organisations.

This notice should be read in conjunction with:

  • The Merchant Shipping (Survey and Certification) Regulations 2015,
  • Merchant Shipping Notice 1672 (M+F) (as amended),
  • Merchant Shipping Notice 1751(M+F) (as amended) and Marine Guidance Note 546 (M) (as amended).

Updates to this page

Published 13 August 2025
Last updated 15 August 2025 + show all updates

  1. Added spacing to titles.

  2. Updated an incorrect reference number in section 1.2 (MSF1139 to MSF 1142)

  3. First published.

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