PY Módulo de navegación, Andalucía 2020

Junta de Andalucía · 3ª convocatoria · 20 questions

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• About meridians:
• On a GNSS unit, the position of a person overboard is shown by:
• We can work out the total correction:
• Which statement is FALSE?
• For the best picture on a radar screen we should adjust:
• On updating magnetic variation:
• Vector charts:
• On the Isla de Tarifa–Punta Alcázar opposition and due West true of Punta Cires lighthouse, you head to pass 5 miles off Punta Almina with a SE wind causing 15º leeway (variation 5º NW, deviation +10º). Calculate Ra:
• At HRB 16:00, 3 miles due East true of Punta Almina lighthouse, you set course for Algeciras port (red entrance light) in a current setting SW at Ihc = 3 knots (variation 3º NW, deviation –5º) to arrive at HRB 20:00. Find Ra:
• At ship’s clock 13:00 we are at 35º 50.0′ N, 006º 20.0′ W. We sail at 6 knots on compass course 089º. There is a current setting SE at 3 miles an hour and a NW wind giving 10º of leeway. Variation = 3º NW and deviation = –6º (minus). Calculate the dead reckoning position at 14:30.
• When due South true of Punta Camarinal lighthouse with Isla de Tarifa lighthouse bearing Dv = 070º, you head for Barbate landfall light at 7 knots in a SW current of Ihc = 3 knots (variation 4º NE, deviation +8º). Find Ra:
• From 38º 20′ N, 179º 05′ E, we set course for 35º 42′ N, 178º 38′ W. Calculate the direct course (to the nearest half degree).