Course Information
Course Instructor
Introduction
Welcome To Your HND / Ad Diploma Stability Tutorials!
Unlimited access to HND/Ad Certificate video tutorials! This membership is perfect for you if you are preparing for HND/Ad Certificate Stability or need to regain foundational knowledge prior to moving on to the Chief Mates SQA preparation section on the website.
Angle of Heel When Turning
Heel Turning explained
Example calculations 1-2
Example calculations 3-4
Example questions with answers
Vessel B example
Possible question with new formula June 2025
Side Bilging
Side Bilging explained
Side Bilging example
Example questions
Example answers 1-2
Example answers 3-4
Example answer 5
End Bilging
Change in LCF explained
Trimming Lever explained
Change in WPA explained
End Bilging – full calculation no watertight flat
End Bilging calculation with watertight flat
Method 2 (movement of LCB) – example 1
Method 2 – movement of LCB – example 2
End Bilging Example questions
Example answers 1-2
Example answers 3-4
Example answers 5-6
Example answers 7-8
Midship Bilging
Watertight flats
Permeability
Calculating the BM
Calculating the KB
Recoverable Buoyancy
Midships bilging example 1
Midship Example 2
Midship Bilging questions
Example answers 1-2
Example answers 3-4
Example answers 5-6
Example answers 7-8
Example answers 9-10
Bilging Theory – GZ curves, countermeasures
GZ curves and Countermeasures
New Lesson
New Lesson
Combined List and Trim
Combined List and Trim explained
Example calculations
Example questions
Example answers
Vessel B example
Dangerous chemicals and liquified gas in bulk
Dangerous Chemicals and Liquified Gas in Bulk
Dry Docking
Dry Docking explained
Dry Dock ‘P’ force
Dry Dock sketches for loss of GM
Calculations explained
Vessel A GM at CI
Vessel A – required trim
Example questions
Example answers
Vessel B example – GM
Vessel B example – Trim
Draft Survey
Draft Survey explained
Draft Survey questions
Draft Survey- answers
New Lesson
Free Surface Effect
Free Surface Effect explained
FSE formula
Example questions
Answers to example questions
Grain
Grain Theory and Intact Criteria
Max permissible Grain Heeling Moments
Grain calculation involving GZ curve
Grain Questions
Grain Answers 1
Grain Answers 2
Vessel B example
GZ Curve
GZ curves explained and Loss of GZ due to cargo shift
Simpson’s Rules
Calculating and Drawing the GZ curve
Stages of Equilibrium
Assorted GZ Curves
GZ curves-introduction
GZ curves 1
GZ curves 2
GZ curves 3
GZ curves 4
Loll GZ curve corrected
GZ curves calculating compliance
Calculating Compliance
Load Line questions
Example 1 answer
Example 2 answer
Example 3 answer
Example 4 answer
Vessel B example
Inclining Experiment
Theory
Example Questions
Answers to Questions 1-2
Answers to questions 3-4
Vessel B example
Example Calculation
Interpolation
Interpolation Vessel A
Interpolation Vessel B
List
List explained
Calculating initial listing moments
Factors changing list angle
Discharging single weight
Loading a single weight
Set angle of list with two weights
Set angle of list with one weight
Loading weights to finish upright
Example list questions
Example 1 – answer
Example 2 – answer
Example 3 – answer
Example 4 – answer
Example 5 – answer
Example 6 – answer
Example 7 – answer
Example 8 – answer
Example 9 – answer
Vessel B example – one weight
Vessel B example – two weights
Loll
Loll explained
Loll calculation – box-shaped vessel
Loll calculation – using tables
Example Loll questions
Answers to Loll questions
Loll GZ curve corrected
Vessel B example
Longitudinal basics explained
Initial explanation
AMD and TMD
LCF
Calculating initial LCG
Trim and Large weights-basic calculation
Longitudinal – Air Draft
Air Draft explained
Air Draft example
Example questions
Example answers
Vessel B example
Longitudinal -Draft and Density
Change of draft with density explained
Example questions
Example answers 1-2
Example answers 3-4
Vessel B example
Longitudinal – Two Hold
Basic two hold problem explained
Two Hold example
Two Hold – Loading to finish with a specific trim
Loading at a set distance foap
Two Hold – more complex problem
Vessel B example 1 – set trim
Vessel B example 2 – set distance to load
Vessel B example 3 – maximum weight to lad for even keel
Vessel B examples 4- finish even keel
Longitudinal – Worksheets
Worksheet explained
Example questions 1-2
Example questions 3-4
Example answers 1-2
Example answers 3-4
Worksheet Vessel B
Passenger
Passenger Ships
Stockholm Agreement
Rolling
Rolling Theory
Synchronism
Parametric Rolling
Broaching
Surf Riding and Dead Ship
Pure Loss of Stability
Shear Force and Bending Moments
Theory and example
Example 1
Example 2
Example 3
SIB and Ice
Stability Information Booklet
Pre-worked conditions
Icing Allowance
Simplified Stability
Simplified Stability – Maximum KG
New Lesson
Specialized Vessels – alternative criteria
Specialized Vessels- Alternative Criteria
Specialised Vessels
Off-Shore Supply Vessels
Ro-Ro Vessels
Towing Vessels
Lifting and Anchor Handling Operations
New Lesson
New Lesson
Stability Instruments
Stability Instruments
Surveys
Surveys
Tabular – Basic – Assigned
T – B – A
Timber
Timber Theory
Example Timber questions
Example Timber questions
Vessel B example
Type A and B
Type A and B Intact criteria
New Lesson
Wall Sided Formula
Wall sided theory
Example questions
Example question
Wind Heeling
Vessel A example
Wind Heeling – Intact Stability Criteria
Wind Heeling Vessel B
Short questions to check your knowledge!
1
2
3
New Lesson