Hover or tap underlined Spanish terms to see their translation and exam tip.
Nuestra embarcación está en la enfilación de los Faros de Punta Carnero y Punta Europa. En ese momento obtenemos una demora de aguja (Da) a Punta Europa = 240º y una demora de aguja a Punta Carbonera = 322º. ¿Cuál será su situación más aproximada en dicho instante?While on the leading line (enfilación) of Punta Carnero and Punta Europa lighthouses, you take compass bearings Da Punta Europa = 240º and Da Punta Carbonera = 322º. What is your position?
Show the answer
Correct answer: a) l = 36º 09.2' N; L = 005º 13.7' W.
Why it is correct
North-east of Punta Europa, the Punta Europa–Punta Carnero leading line bears 244º true (Dv = 244º), so Ct = 244º − 240º = +4º. The true bearing to Punta Carbonera is Dv = 322º + 4º = 326º, intersecting the leading line at l = 36º 09.2′ N, L = 005º 13.7′ W.
Why the others are not
- b) Does not match the intersection of the Carnero–Europa leading line and true bearing 326º to Punta Carbonera.
- c) Does not match the intersection of the Carnero–Europa leading line and true bearing 326º to Punta Carbonera.
- d) Does not match the intersection of the Carnero–Europa leading line and true bearing 326º to Punta Carbonera.
How to work it out in the exam
- Find Ct = 244º − 240º = +4º on the Europa–Carnero alignment and correct Dv(Carbonera) = 322º + 4º = 326º.
- Intersect the leading line with 146º from Punta Carbonera: 36º 09.2′ N, 005º 13.7′ W.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PER Test 1 · question 43 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PER Test 3 · question 44 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.