Hover or tap underlined Spanish terms to see their translation and exam tip.
Calcular la distancia recorrida y el rumbo directo para navegar desde la situación 43° 50,5´N; 005° 45,0´W hasta la situación 44° 02,8´N; 005° 38,6´W.Calculate the distance run and the direct course to sail from 43° 50.5´N; 005° 45.0´W to 44° 02.8´N; 005° 38.6´W.
Show the answer
Correct answer: a) d=13.1´; R=20.5°
Why it is correct
Difference of latitude: 12.3′ N. Departure: 6.4′ × cos 43º56′ = 4.6′ E. Distance: 13.1 miles. Course: arctan(4.6 / 12.3) = 20.5º.
Why the others are not
- b) The distance does not match.
- c) The distance does not match.
- d) We are going east, not west.
How to work it out in the exam
- Find the difference of latitude and the departure.
- Distance: root of the sum of squares. Course: arctan(departure / Δlat).
Where this question comes from
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de diciembre · PY Test 1 · question 35 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2021 · Convocatoria de diciembre · PY Test 3 · question 33 Official paper · Official answer key
Try it: Navigation calculations
Pending instructor review. Machine translation, not reviewed.