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Worksheet 557 · Skill 4

Two-bearing fix

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  1. At 1035 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 115°M and Heron Point Light 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 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  

  2. At 1230 you take two bearings with a hand-bearing compass: Westfield church spire bears 247°M and Gannet Rock daybeacon bears 133°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  

  3. At 1615 you take two bearings with a hand-bearing compass: Mill stack bears 191°M and Westfield church spire bears 293°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  

  4. At 1425 you take two bearings with a hand-bearing compass: Mill stack bears 172°M and Gannet Rock daybeacon bears 115°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  

  5. At 1325 you take two bearings with a hand-bearing compass: Mill stack bears 167°M and Heron Point Light bears 223°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  

  6. At 0710 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 027°M and Heron Point Light bears 278°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 Kittle water tank to the fix, and the distance.

    Tolerance: 2° and 0.15 nm (or 4 % of the distance).

    Bearing from Kittle water tank: ________ °T   Distance: ________ nm  

  7. At 0830 you take two bearings with a hand-bearing compass: Gannet Rock daybeacon bears 127°M and Westfield church spire bears 244°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  

  8. At 1245 you take two bearings with a hand-bearing compass: Mill stack bears 196°M and Heron Point Light bears 268°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

Practice Sheet No. 1 with the starting fixes of this worksheet 34 41 22 38 29 18 27 44 12 21 19 N VAR 7°W (invented) Heron Sound Heron Point Tern Island Westfield Kittle Gannet Rock Fl W 4s 52ft 14M TR TANK SPIRE STACK Dbn 1 2 3 HS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Border scale: nautical miles (1 nm = 10 ticks) PRACTICE SHEET No. 1 · HERON SOUNDInvented for practice · NOT FOR NAVIGATION · Plotroom

Answer key

No.AnswersProblem
1Bearing from Red nun "2": 329 °T
Distance: 2.28 nm
No. 557001 (worked solution)
2Bearing from Green can "3": 330 °T
Distance: 3.23 nm
No. 557002 (worked solution)
3Bearing from Green can "3": 173 °T
Distance: 1.16 nm
No. 557003 (worked solution)
4Bearing from Red nun "2": 352 °T
Distance: 1.65 nm
No. 557004 (worked solution)
5Bearing from Red nun "2": 331 °T
Distance: 0.84 nm
No. 557005 (worked solution)
6Bearing from Kittle water tank: 292 °T
Distance: 2.34 nm
No. 557006 (worked solution)
7Bearing from Green can "3": 316 °T
Distance: 3.54 nm
No. 557007 (worked solution)
8Bearing from Red nun "2": 131 °T
Distance: 2.08 nm
No. 557008 (worked solution)