STABILITY AND TRIM FOR THE SHIP'S OFFICER, 4th Edition by William E. George
Chapter 2: What is Stability?
Focus on:

1. Definition of Stability: The abilityof a vessel to return to its original position after being inclined by an outside fiorce.
2. Measurment Thresholds: I
   1. Initial Stability is measured by GM for Small Angles up to 8 degrees.
   2. Greater than 8 degrees Large Angle Stability is measured with GZ or Righting Moment.
3. Mathmatical Derivation: GM = KM - KG
4. States of Stability: Positive, Neutral and Negative
5. Negative GM and Angle of Loll

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