Worksheet 201 · Skill 4
Two-bearing fix
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At 0845 you take two bearings with a hand-bearing compass: Kittle water tank bears 150°M and Mill stack bears 221°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Gannet Rock daybeacon to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Gannet Rock daybeacon: ________ °T Distance: ________ nm
At 1335 you take two bearings with a hand-bearing compass: Westfield church spire bears 316°M and Gannet Rock daybeacon bears 082°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Green can "1" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Green can "1": ________ °T Distance: ________ nm
At 1700 you take two bearings with a hand-bearing compass: Mill stack bears 206°M and Gannet Rock daybeacon bears 087°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Green can "3" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Green can "3": ________ °T Distance: ________ nm
At 1600 you take two bearings with a hand-bearing compass: Heron Point Light bears 211°M and Gannet Rock daybeacon bears 103°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Red nun "2" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Red nun "2": ________ °T Distance: ________ nm
At 0905 you take two bearings with a hand-bearing compass: Heron Point Light bears 236°M and Mill stack bears 182°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Red nun "2" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Red nun "2": ________ °T Distance: ________ nm
At 1255 you take two bearings with a hand-bearing compass: Heron Point Light bears 263°M and Mill stack bears 185°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Red nun "2" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Red nun "2": ________ °T Distance: ________ nm
At 1325 you take two bearings with a hand-bearing compass: Kittle water tank bears 153°M and Mill stack bears 214°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Gannet Rock daybeacon to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Gannet Rock daybeacon: ________ °T Distance: ________ nm
At 1715 you take two bearings with a hand-bearing compass: Westfield church spire bears 278°M and Mill stack bears 202°M.
Variation is 7°W (from the rose); a hand-bearing compass held away from the boat's steel is taken to have no deviation. Convert to true, plot the two lines of position, and give the fix as the true bearing FROM Green can "3" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Green can "3": ________ °T Distance: ________ nm
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Bearing from Gannet Rock daybeacon: 280 °T Distance: 1.00 nm | No. 201001 (worked solution) |
| 2 | Bearing from Green can "1": 189 °T Distance: 0.89 nm | No. 201002 (worked solution) |
| 3 | Bearing from Green can "3": 143 °T Distance: 1.68 nm | No. 201003 (worked solution) |
| 4 | Bearing from Red nun "2": 297 °T Distance: 1.38 nm | No. 201004 (worked solution) |
| 5 | Bearing from Red nun "2": 046 °T Distance: 1.13 nm | No. 201005 (worked solution) |
| 6 | Bearing from Red nun "2": 135 °T Distance: 1.58 nm | No. 201006 (worked solution) |
| 7 | Bearing from Gannet Rock daybeacon: 307 °T Distance: 1.55 nm | No. 201007 (worked solution) |
| 8 | Bearing from Green can "3": 073 °T Distance: 1.29 nm | No. 201008 (worked solution) |