Worksheet 366 · Skill 4
Two-bearing fix
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At 1040 you take two bearings with a hand-bearing compass: Heron Point Light bears 200°M and Westfield church spire bears 265°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 1705 you take two bearings with a hand-bearing compass: Westfield church spire bears 224°M and Heron Point Light bears 173°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 1240 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 122°M and Heron Point Light bears 234°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 Tern Island tower to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Tern Island tower: ________ °T Distance: ________ nm
At 0920 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 126°M and Heron Point Light bears 206°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 1335 you take two bearings with a hand-bearing compass: Mill stack bears 184°M and Westfield church spire bears 254°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 Tern Island tower to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Tern Island tower: ________ °T Distance: ________ nm
At 0855 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 265°M and Kittle water tank bears 204°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 Bell buoy "HS" to the fix, and the distance.
Tolerance: 2° and 0.15 nm (or 4 % of the distance).
Bearing from Bell buoy "HS": ________ °T Distance: ________ nm
At 1115 you take two bearings with a hand-bearing compass: Mill stack bears 192°M and Heron Point Light bears 276°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 0700 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 117°M and Westfield church spire bears 245°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 Red nun "2": 324 °T Distance: 2.49 nm | No. 366001 (worked solution) |
| 2 | Bearing from Green can "1": 316 °T Distance: 4.21 nm | No. 366002 (worked solution) |
| 3 | Bearing from Tern Island tower: 239 °T Distance: 1.82 nm | No. 366003 (worked solution) |
| 4 | Bearing from Green can "3": 317 °T Distance: 2.90 nm | No. 366004 (worked solution) |
| 5 | Bearing from Tern Island tower: 296 °T Distance: 2.43 nm | No. 366005 (worked solution) |
| 6 | Bearing from Bell buoy "HS": 175 °T Distance: 3.29 nm | No. 366006 (worked solution) |
| 7 | Bearing from Red nun "2": 145 °T Distance: 2.36 nm | No. 366007 (worked solution) |
| 8 | Bearing from Red nun "2": 318 °T Distance: 3.52 nm | No. 366008 (worked solution) |