Hover or tap underlined Spanish terms to see their translation and exam tip.
Navegando al Este del meridiano de la isla de Tarifa, tomamos simultáneamente la distancia de 5 millas al Faro de isla Tarifa y de 6,8 millas al Faro de Punta Cires. Hallar nuestra situación.Sailing East of the meridian of Isla de Tarifa, you simultaneously measure radar distances of 5 miles to Isla de Tarifa lighthouse and 6.8 miles to Punta Cires lighthouse. Find your position:
Show the answer
Correct answer: a) l = 36º 01.3' N; L = 005º 30.4' W.
Why it is correct
East of the Tarifa meridian (005º 36.6′ W), the 5-mile range arc from Isla de Tarifa (36º 00.0′ N, 005º 36.6′ W) and the 6.8-mile arc from Punta Cires (35º 54.7′ N, 005º 28.8′ W) intersect at l = 36º 01.3′ N, L = 005º 30.4′ W.
Why the others are not
- b) Does not match the intersection east of Tarifa of the 5′ arc from Tarifa and 6.8′ arc from Cires.
- c) Does not match the intersection east of Tarifa of the 5′ arc from Tarifa and 6.8′ arc from Cires.
- d) Does not match the intersection east of Tarifa of the 5′ arc from Tarifa and 6.8′ arc from Cires.
How to work it out in the exam
- Swing a 5-mile arc from Isla de Tarifa east of its meridian.
- Intersect it with a 6.8-mile arc from Punta Cires: 36º 01.3′ N, 005º 30.4′ W.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de abril · PER Test 2 · question 42 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2026 · Convocatoria de abril · PER Test 4 · question 45 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.