Hover or tap underlined Spanish terms to see their translation and exam tip.
Hallar nuestra situación simultánea más aproximada estando situados en la oposición del Faro de Punta de Gracia y la punta del espigón norte del Puerto de Tánger observando el Faro de Punta Paloma con una demora verdadera=070º.On the opposition line of Punta de Gracia lighthouse and Tangier port north breakwater head while observing Punta Paloma lighthouse at Dv = 070º, find your simultaneous position:
Show the answer
Correct answer: d) 36º 02.5' N; 005º 48.4' W.
Why it is correct
Joining Punta de Gracia lighthouse (36º 05.4′ N, 005º 48.6′ W) to Tangier north breakwater head (35º 47.4′ N, 005º 48.2′ W) and intersecting that line with the reciprocal bearing 250º from Punta Paloma (36º 04.0′ N, 005º 43.2′ W) gives 36º 02.5′ N, 005º 48.4′ W.
Why the others are not
- a) Does not match the intersection of the Punta de Gracia–Tangier opposition with Dv(Paloma) = 070º.
- b) Does not match the intersection of the Punta de Gracia–Tangier opposition with Dv(Paloma) = 070º.
- c) Does not match the intersection of the Punta de Gracia–Tangier opposition with Dv(Paloma) = 070º.
How to work it out in the exam
- Draw the opposition line between Punta de Gracia lighthouse and Tangier breakwater.
- Intersect it with the reciprocal bearing 250º from Punta Paloma: 36º 02.5′ N, 005º 48.4′ W.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de diciembre · PY Test 1 · question 34 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2022 · Convocatoria de diciembre · PY Test 2 · question 32 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.