Video

Yaw Stability of Ships - Basic Principles by Knud Benedict


published on 18 November 2021 351 -

Found on YouTube. Created by "ISSIMS - Innovative Ship Simulation". Originally published on 2021-08-29.
Yaw Stability is an important element of Ships Manoeuvrability - both for course keeping and turning ability. This first video in a series explains the Basic Principles of stability in steady state equilibrium conditions and the forces / moments involved. The role of the unstable moment due to drift angel and the stabilising damping moment due to rate of turn in the yawing motion will be discussed. Definitions of yaw stability during turning motion and on straight motion will be given. Samples of stable and unstable ship behaviour will be shown by Fast Time Simulation using the SAMMON Planning tool.
The next videos will demonstrate manoeuvres (e.g. Spiral Test, Pull-out Test and Zig-Zag Test) to identify and discuss the stability condition for ships and the different aspects contributing to yaw stability.

Join the conversation...

Login or register to write comments and join the discussion!
FL
Francesco Lo Nostro Italy
on 18 January 2022, 00:07 UTC

Nice explanation on turning and yaw stability. I think it’s important to consider all forces involved to the Pivot point and point of application of external disturbance, which changes according incidence of heading.
0

Read more...

Video How Ship Anchor Works? - Procedure For Anchoring a Ship at Sea

published on 11 July 2020

#Anchor #shipanchor #windlass Anchoring is one of the very frequent operations onboard ships. A number of variables and external factors influence the duration and location of an anchoring operation. While the type of seabed is of utmost importance during anchoring, soft muddy grounds or clay bottoms are best preferred. It should be taken care that the anchoring bottom is free of power lines, submarine cables, pipelines or rocks. Various methods on anchoring include consideration of...

1

Video How port pilot sail out ship from the port? Grimaldi lines catania roro ship

published on 22 April 2022

In this video I will show you Grimaldi Lines Catania RoRo Ship

0

Video ARPA Ground & Sea Stabilisation (Speed over ground & through water) |

published on 11 July 2020

M+ releases it's next interactive video on 'ARPA Ground & Sea Stabilisation; an explanation of 'Speed over ground & Speed through water. Use this video for training crew, enhance safety standards & professional knowledge. Stay tuned for our upcoming series on ECDIS competency, Anchor losses, Incidents, PCS & vetting preparations & Human Elements training. These ‘first of it's kind’ learning videos are based on PSC & vetting observations to provide solutions & enhance your professional...

0

Article New Study on GNSS Interference in the Baltic Sea

by GPSPATRON Sp. z o. o. - published on 12 March 2025

GNSS interference has become a growing challenge in the Baltic Sea, affecting maritime navigation, aviation, and critical infrastructure. While numerous datasets and services, such as gpsjam.org, spoofing.skai-data-services.com, and flightradar24, report high-altitude GNSS interference based on ADS-B data, there is a significant lack of studies focusing on ground-level interference.

3

Video Boston Pilots

published on 29 July 2024

I'm Bradley Jay, long time Boston broadcaster, and I also love to produce videos of interesting people doing interesting things. Meet the Boston Pilots They do one of the the coolest jobs ever .

0

Video SAMMON Intro Ships Manoeuvring Predictions

published on 11 July 2020

SAMMON Introduction into Ships Manoeuvring Prediction
- newly made Video to display the principles of SAMMON

0

Article Future Tug Master Training

by Henk Hensen - published on 11 July 2023

The role of a Tug Master undertaking harbour towage activities is a very specific one. He/she has to, alone or in cooperation with other Tug Masters, assist a ship in a safe and efficient way using his/her tug to the best of its qualities. 

1

Article Rio de Janeiro Pilots have a new president

by Marine-Pilots.com - published on 6 April 2020

Everton Schmidt assumed the position with the commitment to maintain the activities during the new coronavirus pandemic.

0

Video Pilot Talks...! Pilot ki Baat. Episode 6

published on 23 April 2021

Video discussion hosted by Capt. Vijay Sharma, Master Mariner
along with Co-Host Capt.Gajanan Karanjikar, President of AIMPA
Special Guest: Capt. Sajan Varghese.

0