Hover or tap underlined Spanish terms to see their translation and exam tip.
En situación l= 35º-59,0´N L= 006º-15,0´W se tiene corriente Rc= E Ihc= 3 nudos, Ra= 070º Vhb= 6 nudos. Desvío= 5 NE dm= 3 NW. Calcular el Ref y Vef.At l= 35º-59.0´N L= 006º-15.0´W there is a current setting E at 3 knots, compass course 070º, speed 6 knots. Deviation= 5 NE, variation= 3 NW. Calculate the course and speed made good.
Show the answer
Correct answer: b) Course 078º, 8.8 knots
Why it is correct
True 072º. Boat: 1.9 N and 5.7 E. Adding 3 knots east: 1.9 N and 8.7 E. Course 078º, about 8.9 knots, and the nearest option is 8.8.
Why the others are not
- a) The speed does not match.
- c) The current moves the course east, not north.
- d) The speed does not match.
How to work it out in the exam
- Add the boat and current vectors.
Where this question comes from
- Junta de Andalucía · 2015 · 1ª convocatoria · PY Módulo de navegación · question 15 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.