Page 14
Copyright
W
ORKSHEET
8: P
OSITION
FIXING
Complete each of the table below to determine a ship's position, in latitude and longitude (to 0.1') for each of
the following fixes? In each case the course and deviations are given.
Q1: Course = 80
o
Deviation = 5
o
E
Bearing to
C
D
M
V
T
Solder I
272
o
C
5
o
E
Coffin It
209
o
C
5
o
E
Sounding
10 m Latitude:
Longitude:
Q2: Course = 190
o
Deviation = 4
o
W
Bearing
C
D
M
V
T
Allonby hill
275
o
C
4
o
W
Finger and thumb
027
o
C
4
o
W
Hill 323 Brampton I
128
o
C
4
o
W
Latitude:
Longitude:
Q3: Course = 10
o
Deviation = 4
o
E
Bearing
C
D
M
V
T
Coffin It
100
o
C
4
o
E
Allonby I
226
o
C
4
o
E
Solder I
178
o
C
4
o
E
Latitude:
Longitude:
Water depth:
Q4: Plot a course home from Latitude: 20
o
43.6' S Longitude: 149
o
12.4' E to Waypoint 01 Maryport Bay
a. Locate Waypoint 01 Maryport Bay (see previous exercise), look for hazards and draw line of position
b.Locate the true course:
________
c. Identify the chart variation
_______
and calculate the magnetic course
_________
d. Identify the deviation (the ship's head is 120
o
C ) D =
3.5
o
E Correct Yes or No
e. Describe the compass course to steer
_________________________________
f. Identify the distance to be travelled
_______________________________
g. If the ships speed is 6 knots calculate the time for the voyage. _______________________________
Q5: After 28 mins, you notice the ship's head is 130
o
C (deviation = 3
o
E) and take the following bearings
Bearing
C
D
M
V
T
Coffin It
343
o
C
3
o
E
Maryport It
71
o
C
3
o
E
Skiddaw Peak (Brampton)
93
o
C
3
o
E
What is your Latitude ?
Longitude ?
Water depth ?
