In all questions, liquids are assumed to be
equalised between P & S tanks, partially full tanks subject to FSE..
QUESTION CONDITION A
–You load 8 Tonnes of ice on deck amidships. Its K.G.=3.47Mtr, L.C.G.=0,
F.S.N.=4. Is your vessel
safe?
|
(Information supplied courtesy Marine
Safety, WA Department for Planning and Infrastructure. Extracts by Ranger
Hope © 2008). |
||||||
Item
|
Tonnes
|
V.C.G. |
Vert.
Moment
|
L.C.G. +/-
|
Long.
Moment
|
F.S.N. |
|
Fresh water |
8.9 |
2.06 |
18.33 |
+5.05 |
+44.95 |
|
|
Fwd FO P&S |
9.0 |
1.78 |
16.02 |
+3.45 |
+31.05 |
|
|
Fwd D/B FO P&S |
13.10 |
1.17 |
15.33 |
+1.25 |
+16.38 |
|
|
Aft D/B FO P&S |
12.80 |
1.20 |
15.36 |
-1.78 |
-22.78 |
|
|
ER Wing FO P&S |
12.60 |
2.40 |
30.24 |
-4.83 |
-60.86 |
|
|
Lub Oil |
0.55 |
2.50 |
1.38 |
-7.90 |
- 4.35 |
|
|
Crew & Effects |
1.00 |
4.00 |
4.00 |
+6.00 |
+6.00 |
|
|
Stores |
4.00 |
3.00 |
12.00 |
- |
- |
|
|
Provisions |
2.00 |
2.00 |
4.00 |
+7.00 |
+14.00 |
|
|
Ice |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Deadweight
|
|
|
|
|
|
|
Lightship
|
148.46 |
3.48 |
516.61 |
-0.65 |
-96 |
- |
Displacement
|
|
|
|
|
|
|
|
K.G |
|
L.C.G. |
|
F.S.N. |
|
|
Kgf |
|
Has the vessel SAFE or
UNSAFE K.G.fluid AND L.C.G in this loading condition?
Show me the Curves of limiting KG &
LCG. Answers
QUESTION CONDITION B
–You land 8Tonnes of fish on deck. Its K.G.=5.00Mtr, L.C.G.=
-7.00, F.S.N.=5. Is your vessel safe?
Item
|
Tonnes
|
V.C.G. |
Vert.
Moment
|
L.C.G. +/-
|
Long.
Moment
|
F.S.N. |
|
Water tank |
1.78 |
1.26 |
2.24 |
+4.88 |
+8.69 |
1.30 |
|
Fuel P&S |
9.50 |
2.25 |
21.37 |
-4.77 |
-45.32 |
0.88 |
|
Lub Oil |
0.10 |
2.50 |
0.25 |
-7.90 |
-0.79 |
0.18 |
|
Crew & Effects |
1.00 |
4.00 |
4.00 |
+6.00 |
+6.00 |
- |
|
Stores |
2.00 |
3.00 |
6.00 |
- |
- |
- |
|
Provisions |
0.40 |
2.00 |
0.80 |
+7.00 |
+2.8 |
- |
|
Brine Tank |
3.00 |
4.40 |
13.20 |
-5.50 |
-16.50 |
- |
|
Cod end load |
0.50 |
11.40 |
5.70 |
-5.50 |
-2.75 |
- |
|
Catch |
4.80 |
2.60 |
12.48 |
+0.50 |
-2.40 |
- |
|
Fish on deck |
|
|
|
|
|
|
Deadweight
|
|
|
|
|
|
|
Lightship
|
148.46 |
3.48 |
516.61 |
-0.65 |
-96 |
- |
Displacement
|
|
|
|
|
|
|
|
K.G |
|
L.C.G |
|
F.S.N. |
|
|
Kgf |
|
Has the vessel SAFE or
UNSAFE K.G.fluid AND L.C.G in this loading condition?
Show me the Curves of limiting KG &
LCG Answers
–You land 10 Tonnes
of fish on deck. Its K.G.= 6.00Mtr,
L.C.G.= -4.00,
F.S.N.=5. Is your vessel
safe?
Item
|
Tonnes
|
V.C.G. |
Vert.
Moment
|
L.C.G. +/-
|
Long.
Moment
|
F.S.N. |
|
Water tank |
1.78 |
1.26 |
2.24 |
+4.88 |
+8.69 |
1.30 |
|
Fuel P&S |
9.50 |
2.25 |
21.37 |
-4.77 |
-45.32 |
0.88 |
|
Lub Oil |
0.10 |
2.50 |
0.25 |
-7.90 |
-0.79 |
0.18 |
|
Crew & Effects |
1.00 |
4.00 |
4.00 |
+6.00 |
+6.00 |
- |
|
Stores |
2.00 |
3.00 |
6.00 |
- |
- |
- |
|
Provisions |
0.40 |
2.00 |
0.80 |
+7.00 |
+2.8 |
- |
|
Brine Tank |
3.00 |
4.40 |
13.20 |
-5.50 |
-16.50 |
- |
|
Cod end load |
0.50 |
11.40 |
5.70 |
-5.50 |
-2.75 |
- |
|
Catch |
4.80 |
2.60 |
12.48 |
+0.50 |
-2.40 |
- |
|
Fish on deck |
|
|
|
|
|
|
Deadweight
|
|
|
|
|
|
|
Lightship
|
148.46 |
3.48 |
516.61 |
-0.65 |
-96 |
- |
Displacement
|
|
|
|
|
|
|
|
K.G |
|
L.C.G
KMGM |
|
F.S.N. |
|
|
Kgf |
|
Has the vessel SAFE or
UNSAFE K.G.fluid AND L.C.G in this loading condition?
Show me the Curves of limiting KG &
LCG Answers
–You land 3 Tonnes of
fish on deck. Its K.G.= 2.50Mtr,
L.C.G.= -4.00, F.S.N.=3. Is your vessel safe?
Item
|
Tonnes
|
V.C.G. |
Vert.
Moment
|
L.C.G. +/-
|
Long.
Moment
|
F.S.N. |
|
Water tank |
1.78 |
1.26 |
2.24 |
+4.88 |
+8.69 |
1.30 |
|
ER Wing FO P&S |
4.75 |
2.05 |
9.74 |
-4.70 |
-22.33 |
0.88 |
|
Lub Oil |
0.10 |
2.50 |
0.25 |
-7.90 |
-0.79 |
0.18 |
|
Crew & Effects |
1.00 |
4.00 |
4.00 |
+6.00 |
+6.00 |
- |
|
Stores |
2.00 |
3.00 |
6.00 |
- |
- |
- |
|
Provisions |
0.40 |
2.00 |
0.80 |
+7.00 |
+2.8 |
- |
|
Catch |
4.80 |
2.60 |
12.48 |
+0.50 |
-2.40 |
- |
|
Fish on deck |
|
|
|
|
|
|
Deadweight
|
|
|
|
|
|
|
Lightship
|
148.46 |
3.48 |
516.61 |
-0.65 |
-96 |
- |
Displacement
|
|
|
|
|
|
|
|
K.G |
|
L.C.G
KMGM |
|
F.S.N. |
|
|
Kgf |
|
Has the vessel SAFE or
UNSAFE K.G.fluid AND L.C.G in this loading condition?
Show me the Curves of limiting KG &
LCG Answers
QUESTION CONDITION E
–You land 4 Tonnes of
fish on deck. Its K.G.= 3.00Mtr
L.C.G.= -5.00,
F.S.N.=4. Is your vessel
safe?
Item
|
Tonnes
|
V.C.G. |
Vert.
Moment
|
L.C.G. +/-
|
Long.
Moment
|
F.S.N. |
|
Water tank |
1.78 |
1.26 |
2.24 |
+4.88 |
+8.69 |
1.30 |
|
ER Wing FO P&S |
4.75 |
2.05 |
9.74 |
-4.70 |
-22.33 |
0.88 |
|
Lub Oil |
0.10 |
2.50 |
0.25 |
-7.90 |
-0.79 |
0.18 |
|
Crew & Effects |
1.00 |
4.00 |
4.00 |
+6.00 |
+6.00 |
- |
|
Stores |
2.00 |
3.00 |
6.00 |
- |
- |
- |
|
Provisions |
0.40 |
2.00 |
0.80 |
+7.00 |
+2.8 |
- |
|
Catch |
4.80 |
2.60 |
12.48 |
+0.50 |
-2.40 |
- |
|
Fish on deck |
|
|
|
|
|
|
Deadweight
|
|
|
|
|
|
|
Lightship
|
148.46 |
3.48 |
516.61 |
-0.65 |
-96 |
- |
Displacement
|
|
|
|
|
|
|
|
K.G |
|
L.C.G
KMGM |
|
F.S.N. |
|
|
Kgf |
|
Has the vessel SAFE or
UNSAFE K.G.fluid AND L.C.G in this loading condition?
Show me the Curves of limiting KG &
LCG Answers