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Range from a mark — Navigation A — Coastal, Mashit 30

A range as a position line or a circle, a tangent to it included. 21 questions need it — 21 sub-questions in all.

All Navigation A — Coastal questions

Fixes and compass error

  1. Question 16 — At 13:30 the light at the end of the Hadera coal jetty and the light at the end of the western breakwater of Hadera harb (part b)
  2. Question 20 — At 09:30 a true bearing of the light at the end of the Ashdod Marina breakwater, taken at the exact moment it rose above (part b)
  3. Question 30 — At 19:15 the north and west cardinal buoys at FROGS ISLAND were in transit. A compass bearing of them was 039°. At the s (part b)
  4. Question 37 — At 07:40 Haifa University (charted as University Tower) and the light vessel with the characteristics Fl.G.3s were in tr (part a)
  5. Question 38 — At 20:00 the light vessel NOA and the buoy with the characteristics Fl(5)Y.15s were in transit. Their compass bearing wa (part b)
  6. Question 39 — At 17:12 the light at the western end of the Coal Jetty at Hadera and the buoy south-west of the jetty, Fl(3).W.23s, wer (part b)
  7. Question 47 — At 20:00 the west and south cardinal buoys marking the fish farm off Ashdod were in transit. Their compass bearing was 1 (part a)
  8. Question 56 — Height of eye above the water is 4 metres. At 08:00 a true bearing was taken of the light on the Ashdod Marina breakwate (part a)
  9. Question 67 — At 08:00 a true bearing was taken of the light at the end of the Herzliya Marina breakwater just as it rose above the ho (part a)

Planning a route in several courses

  1. Question 13 — At 07:00 your vessel is at 32°27.8'N 034°50.6'E. From this position she must reach a point 1 cable north of the western (part a)
  2. Question 23 — At 08:00 your vessel is 5 miles south of the YONATHAN ISLAND lighthouse. From this position she must reach Tel Aviv Mari (part a)
  3. Question 34 — At 09:00 your vessel is at the entrance to Haifa Harbour (the breakwater head). From this position she must pass the buo (part a)
  4. Question 36 — At 07:00 your vessel is at the entrance to Jaffa harbour. She must pass the lighthouse on ARIK Island abeam at a range o (part a)
  5. Question 43 — At 08:05 your vessel's position by GPS is 32°40'N 034°20'E. She must reach Tel Aviv Marina. Her speed is 6 knots. The pa (part a)
  6. Question 51 — At 12:00 your vessel is at 32°50'N 034°50'E. From this position you must sail to Akko anchorage (between the two entranc (part a)
  7. Question 66 — At 14:00 your vessel is 10 miles west of the Herzliya Marina light. From this position she must sail to the pilot boardi (part a)

Current

  1. Question 27 — At 09:30 your vessel is at the north-west corner of closed area No. 30 (near Atlit). True course (TC) 000°, speed throug (part a)
  2. Question 42 — At 08:00 your vessel is due west of the west cardinal buoy at FROG ISLANDS, and the range of the buoy at that time was 1 (part a)
  3. Question 45 — At 09:30 your vessel is at 32°20'N 034°40'E. True course (TC) 200°, log speed 5 knots (SOW). At 11:30 a true bearing of (part a)
  4. Question 57 — At 21:00 your vessel is at 32°28'N 034°51'E. True course (TC) 015°, speed through the water (SOW) 3 knots. At 21:20 a tr (part a)
  5. Question 64 — At 22:30 your vessel is at 32°40'N 034°20'E. True course (TC) 000°, speed through the water (SOW) 4 knots. At 03:00 the (part a)

More Navigation A — Coastal topics