Hover or tap underlined Spanish terms to see their translation and exam tip.
El día 27 de enero de 2025 a bordo del yate La Savina se toma Azimut de Aguja de la estrella Polar N 07º W (supuesta en el Polo), navegando al Rumbo verdadero 090º: Calcular Rumbo de aguja.On 27 January 2025 on board the yacht La Savina the compass azimuth of Polaris is N 07º W (taken as at the Pole), sailing on true course 090º. Calculate the compass course.
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Correct answer: b) Ra= 083º
Why it is correct
Polaris is at true north: true azimuth 000º, compass 353º. Total correction +7º. Compass = 090º − 7º = 083º.
Why the others are not
- a) That is the compass azimuth.
- c) It applies the correction the wrong way.
- d) No correct calculation gives this.
How to work it out in the exam
- Polaris: total correction = true azimuth − compass azimuth.
- Compass = true − total correction.
Where this question comes from
- Región de Murcia · 2025 · 1ª convocatoria · PY Tipo 1 · question 31 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.