Hover or tap underlined Spanish terms to see their translation and exam tip.
Hallar nuestra situación simultánea más aproximada siendo la distancia al Faro Cabo Trafalgar de 2 millas y la demora verdadera al Faro de Cabo Espartel de 170º.At a distance of 2 miles from Cape Trafalgar lighthouse while Cape Spartel lighthouse bears 170º true, find your simultaneous position:
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Correct answer: a) l = 36º 10.0' N; L = 006º 00.0' W.
Why it is correct
Plotting the reciprocal bearing 350º from Cape Spartel lighthouse (35º 47.5′ N, 005º 55.5′ W) and intersecting it with a 2-mile range arc centred on Cape Trafalgar lighthouse (36º 11.0′ N, 006º 02.0′ W) gives l = 36º 10.0′ N, L = 006º 00.0′ W.
Why the others are not
- b) Does not match the intersection of Dv(Spartel) = 170º and the 2-mile arc from Cape Trafalgar.
- c) Does not match the intersection of Dv(Spartel) = 170º and the 2-mile arc from Cape Trafalgar.
- d) Does not match the intersection of Dv(Spartel) = 170º and the 2-mile arc from Cape Trafalgar.
How to work it out in the exam
- Plot the reciprocal bearing 350º from Cape Spartel lighthouse.
- Intersect it with a 2-mile arc from Cape Trafalgar: 36º 10.0′ N, 006º 00.0′ W.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PY Test 1 · question 38 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PY Test 2 · question 39 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.