Seakeeping standards
General information
One of the challenges in the quantification of the seakeeping performance is establishing acceptable level of motions, accelerations, forces, water on deck etcetera. What should be the criteria in order to ensure a comfortable and even more important a safe ship?

Services & Activities
The MARIN seakeeping knowledge group evaluates the seakeeping performance in their facilities and with dedicated numericall tools. The list below shows a number of regularly applied seakeeping standards:

  • NordForsk (ISBN 87-982637-1-4, 1987), Criteria for merchant ships, criteria for amongst others; vertical and transverse accelerations, roll, slamming and deck wetness
  • Stanag 4154 (NATO, 1998), Criteria for naval ships, Criteria for amongst others; roll, pitch, vertical and transverse accelerations, MII, MSI, slamming, propeller and sonar emergence, deck wetness and helicopter operations
  • Roll at anchor for motor yachts (internal MARIN study, 2006), Evaluation of stabilised and unstabilised roll motions at anchor for a large number of motor yachts
  • Motion induced interruptions (Graham, 1990), MII gives an indication of the number of events in which a standing person will look for support in order to maintain balance
  • Motion Sickness Incidence (O’Hanlon and Mc Cauley, 1974), MSI gives fraction of unadapted people who would suffer from seasickness within 2 hrs
  • Trailer Lashing (Dallinga, R.P., 1994), Criteria for lashings to prevent sliding/tipping of trailers
Facilities & Tools
Not all aspects of the seakeeping behaviour can be quantified numerically, but could be addressed by tests in the following MARIN facilities:

An operability assessment could be performed with the following tools:

In almost all our projects regarding seakeeping, test and/or calculation results are compared to seakeeping standards in order to judge the performance.

Most recent Papers about Seakeeping Standards presented by MARIN:
(complete overview of papers can be found under Publications)

Methodology for the design of LNG terminals in a nearshore environment
Frédérick Jaouën, Olaf Waals, Martijn de Jong, Arne van der Hout, Marios Christou, OMAE ASME 35th International Conference on Ocean, Offshore and Arctic Engineering, Busan, South Korea, 2016, 2016

Performance Measurements of European Inland Ships
M. Godjevac (TUD), K.H. van der Meij (MARIN), European Inland Waterway Navigation Conference, Budapest, 2014

Integrating hydrodynamic and nautical studies for offshore LNG operations
Arjan Voogt, Jaap de Wilde and Johan Dekker, OTC, 2014

Research into the Effects of Motion Simulation on Tugboat Captain Training and Performance in Bridge Simulators
D. ten Hove and M. Roza, HPAS2010: Human Performance At Sea, 2010

Analysis of the Tunnel Immersion for the Busan-Geoje Fixed Link Project Through Scale Model Tests and Computer Simulations
Hans Cozijn (MARIN) and Jin Wook Heo (Daewoo Engineering and Construction, Ltd.), OMAE Conference, Honolulu, 2009

Articles about Seakeeping Standards written for MARIN Report:
(complete overview of articles can be found under Publications)

New C-DRONE - for undisturbed wave spectrum measurements
Thijs Hasselaar, MARIN Report, 2017

Wave buoy measurements on a hexapod
Sanne van Essen, MARIN Report, 2017

FLNG ASV - Bridging engineering to operations
Noël Bovens & Gerrit van der Want, MARIN Report, 2017

Advancements in operability assessment for maintenance on offshore wind turbines
Jorrit-Jan Serraris & Erik-Jan de Ridder, MARIN Report, 2017

Defining the Nautical Safety Profile
Remco Hageman, MARIN Report, 2017

For more information on how MARIN can help your organisation with Seakeeping Standards , please contact the MARIN ships seakeeping knowledge group at

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