Hover or tap underlined Spanish terms to see their translation and exam tip.
Calcular la situación verdadera de una embarcación que se encuentra situada en la zona de precaución del sistema de organización del tráfico del Estrecho de Gibraltar, a 8 millas del faro de Punta Almina y a 7 millas del faro de Punta Europa.Calculate the true position of a vessel located inside the precautionary area of the Strait of Gibraltar TSS at 8 miles from Punta Almina lighthouse and 7 miles from Punta Europa lighthouse:
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Correct answer: d) l = 36º 00.0' N L = 005º 23.3' W.
Why it is correct
Swinging an 8-mile arc from Punta Almina (35º 54.0′ N, 005º 16.5′ W) and a 7-mile arc from Punta Europa (36º 06.5′ N, 005º 20.7′ W), the western intersection inside the TSS precautionary area is l = 36º 00.0′ N, L = 005º 23.3′ W.
Why the others are not
- a) Does not match the intersection inside the TSS precautionary area west of the Europa–Almina line.
- b) Does not match the intersection inside the TSS precautionary area west of the Europa–Almina line.
- c) Does not match the intersection inside the TSS precautionary area west of the Europa–Almina line.
How to work it out in the exam
- Swing an 8-mile arc from Punta Almina and a 7-mile arc from Punta Europa.
- Select the intersection inside the TSS precautionary area: 36º 00.0′ N, 005º 23.3′ W.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de abril · PER Test 3 · question 45 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de abril · PER Test 5 · question 42 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.