Is it safe for Timber ships to sail with a low GM??

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This is an important video for students preparing for oral examination. In this video, I explain the stability criteria (GM) for timber ships and how it affects the safety o the vessel.

Students are advised to watch the previous videos (links below) before watching this video.
Ship Stability
1) Ship Stability (Volume, Mass, and Density):    • Ship stability basics - volume, mass,...  
2) Ship Stability (Pressure and Thrust):    • Ship Stability Basics  - Pressure and...  
3) Ship Stability (Displacement and Under-water volume):    • Ship Stability - Displacement, under ...  
4) Ship Stability (Deadweight, TPC, and Reserve Buoyancy):    • Ship Stability -  Deadweight, TPC, an...  
5) Ship Stability (Load lines, effect of density on draft and displacement):    • Ship Stability - Load lines, effect o...  
6) Ship Stability (Shift in the centre of gravity and KG calculation):    • Ship Stability  - Shift in the centre...  
7) Ship Stability (Centre of Buoyancy):    • Ship Stability - Center of Buoyancy (...  
8) Transverse statical stability of ships:    • Transverse statical stability of ship...  
9) Equilibrium of ships and Angle of Loll:    • Ship Stability - Equilibrium of ships...  
10) Calculate free surface correction on ships:    • Ship Stability - Calculation of free ...  
11) Calculation and correction of ship’s list:    • Ship Stability - Calculation and corr...  
12) Extra questions on ship’s list calculation and correction:    • Ship Stability - Extra questions on l...  
13) Hydrostatic tables (Part 1):    • Ship stability - The use of hydrostat...  
14) Hydrostatic tables (Part 2):    • Ship Stability  - The use of hydrosta...  
15) Hydrostatic draft:    • Ship Stability - Calculation of Hydro...  
16) KM and BM calculation:    • Ship stability for Mates and Masters ...  
17) KM curves drawing and calculation:    • Ship Stability for Mates and Masters ...  
18) Simpson’s First Rule:    • Advanced Ship Stability - Simpson's F...  
19) Simpson’s Second Rule:    • Ship Stability - Simpson's Second Rule  
20) Combination of Simpson’s First and Second Rule:    • Ship Stability - Combining Simpson's ...  
21) Simpson’s Third Rule:    • Ship Stability - Use of Simpson's Thi...  
22) Calculate volume using Simpson’s Rules:    • Using Simpson's Rules to calculate vo...  
23) Fresh water allowance:    • Fresh water allowance (FWA) - What is...  
24) Angle of Loll:    • Angle of Loll calculations  
25) Calculate centroid using Simpson’s Rules:    • Using Simpson's Rules to calculate th...  
26) Curve of Statical Stability:    • Curve of Statical Stability  - Theory...  
27) Cross Curves of Statical Stability:    • Cross Curves of Statical Stability - ...  
28) KN curves:    • Using KN Curves to construct a GZ cur...  
29) Trim Problems (Part 1):    • Trim Problems (Part 1) - Advanced Shi...  
30) Trim Problems (Part 2):    • Trim Problems (Part 2) - Advanced Shi...  
31) Trim Problems (Part 3):    • Trim Calculations -  Part 3 (Advanced...  
32) Angle of loll correction:    • Correcting an Angle of Loll - Advance...  
33) Increase in draft due to list:    • Increase in draft due to ship's list ...  
34) Combined list and trim:    • Combined list and trim question - Adv...  
35) Combined list and trim:    • Combined List and Trim Problems in Ad...  
36) Drydocking Problem 1:    • Drydocking (Problem 1) - Advanced Shi...  
37) Drydocking Problem 2:    • Drydocking (Problem 2) - Advanced shi...  
38) Drydocking Problem 3:    • Drydocking (Problem 3) - Advanced shi...  
39) Bilging Amidships (Theory and Numerical):    • Bilging Amidships - Ship Stability (T...  
40) Bilging amidships (Example 2):    • Bilging Amidships - Ship Stability (E...  
41) Permeability (Theory and numerical):    • Permeability of bilged compartment  -...  
42) Permeability (Example 2):    • Permeability of bilged compartment - ...  
43) Vessel’s heel due to turning:    • Calculate vessel's heel due to turnin...  
44) Application of moment of inertia:    • Application of moment of inertia and ...  
45) Stability of passenger ships in damaged condition:    • Stability of passenger ships in damag...  
46) Severe wind and rolling period diagram:    • Severe Wind and Rolling Period Diagra...  
47) GM by rolling period tests:    • Metacentric Height by Rolling Period ...  
48) Calculate GM by means of rolling period tests:    • Calculate GM by means of rolling peri...  
49) Passenger vessel requirement for turning:    • Passenger vessel requirement for turn...  
50) Inclining experiment:    • Inclining Experiment - Advanced Ship ...  
78) Effect of bilging on ship stability:    • What is the effect of bilging on ship...  
79) Q24 (Ex 11) Ship Stability (List):    • Ship Stability - Question related to ...  
80) Q25 (Ex 11) Ship Stability (List):    • Capt Subramaniam's Ship Stability (Ex...  
81) Q21 (Ex 11) Ship Stability (List):    • Ship Stability - List (Ex 11, Q21) Ca...  
82) Q22 (Ex 11) Ship Stability (List):    • Ship Stability - List (Capt Subramani...  
83) Q23 (Ex 11) Ship Stability (List):    • Ship Stability (List) from Capt Subra...