Hover or tap underlined Spanish terms to see their translation and exam tip.
A HRB=0830, en situación l: 35º50’N y L: 006º10’W, con velocidad 12 nudos, se pone Rumbo verdadero a Tarifa. Calcular la situación a las 0930.At HRB 0830 in position l: 35º 50' N and L: 006º 10' W at 12 knots, you set true course directly for Tarifa lighthouse. Calculate your position at 0930:
Show the answer
Correct answer: c) 35º 54.1' N - 005º 56.2' W
Why it is correct
Joining the starting position 35º 50′ N, 006º 10′ W to Isla de Tarifa lighthouse (36º 00.0′ N, 005º 36.6′ W) on the chart gives true course Rv = 070º. Measuring 12 miles (1 hour at 12 knots from 08:30 to 09:30) along that line reaches 35º 54.1′ N, 005º 56.2′ W.
Why the others are not
- a) Runs in the opposite direction (SW instead of ENE towards Tarifa).
- b) Runs in the opposite direction (SW instead of ENE towards Tarifa).
- d) Runs in the opposite direction (SW instead of ENE towards Tarifa).
How to work it out in the exam
- Join 35º 50′ N, 006º 10′ W with Isla de Tarifa lighthouse (Rv = 070º).
- Measure 12 miles (1 h at 12 knots) towards Tarifa: 35º 54.1′ N, 005º 56.2′ W.
Where this question comes from
- Región de Murcia · 2026 · 1ª convocatoria · PY Tipo 1 · question 32 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.