Worksheet 93 · Skill 4
Two-bearing fix
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At 1435 you take two bearings with a hand-bearing compass: Heron Point Light bears 225°M and Gannet Rock daybeacon bears 102°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 1135 you take two bearings with a hand-bearing compass: Mill stack bears 220°M and Kittle water tank bears 150°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 0700 you take two bearings with a hand-bearing compass: Heron Point Light bears 193°M and Gannet Rock daybeacon bears 117°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 Westfield church spire to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Westfield church spire: ________ °T Distance: ________ nm
At 1540 you take two bearings with a hand-bearing compass: Heron Point Light bears 230°M and Westfield church spire bears 302°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 1100 you take two bearings with a hand-bearing compass: Mill stack bears 185°M and Westfield church spire bears 281°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 0735 you take two bearings with a hand-bearing compass: Mill stack bears 165°M and Gannet Rock daybeacon bears 096°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 1525 you take two bearings with a hand-bearing compass: Heron Point Light bears 242°M and Mill stack bears 181°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 1500 you take two bearings with a hand-bearing compass: Heron Point Light bears 264°M and Mill stack bears 177°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
Practice Sheet No. 1
Answer key
| No. | Answers | Problem |
|---|---|---|
| 1 | Bearing from Green can "1": 007 °T Distance: 1.07 nm | No. 93001 (worked solution) |
| 2 | Bearing from Gannet Rock daybeacon: 283 °T Distance: 1.07 nm | No. 93002 (worked solution) |
| 3 | Bearing from Westfield church spire: 066 °T Distance: 2.59 nm | No. 93003 (worked solution) |
| 4 | Bearing from Red nun "2": 252 °T Distance: 0.81 nm | No. 93004 (worked solution) |
| 5 | Bearing from Red nun "2": 045 °T Distance: 1.46 nm | No. 93005 (worked solution) |
| 6 | Bearing from Green can "3": 238 °T Distance: 1.85 nm | No. 93006 (worked solution) |
| 7 | Bearing from Red nun "2": 074 °T Distance: 0.82 nm | No. 93007 (worked solution) |
| 8 | Bearing from Red nun "2": 149 °T Distance: 1.48 nm | No. 93008 (worked solution) |