Navigation Workbook 1210 Tr: For Power-driven and Sailing Vessels by Brandt Larry & Burch David

Author:Brandt, Larry & Burch, David [Brandt, Larry]
Language: eng
Format: epub
Publisher: Starpath publications
Published: 2014-08-11T16:00:00+00:00

CHAPTER 11 – NAVIGATION PLANNING AND PRACTICE

This chapter includes exercises that review topics covered in earlier chapters, presented sequentially along two boat trips. Use information from the Resources section of this workbook as needed. With sequential problems that rely to some extent on previous answers, it might be best to check the solutions as you proceed, rather than working through all of them before looking at the solutions. There is no specific order to the three trips. You might look over each to decide which would be the best to start with.

Trip 1.

The following are examples of questions asked on USCG deck license exams. There is no order to the presentation. Variation is 15.0 W.

11-1. Your eye height is 25 feet (7.6 meters). The visibility is 5.5 nmi. (A) What is the luminous range of Buzzards Bay Entrance Light (use the charted light description ). (B) As an aside, compare the charted height and nominal range of this light with the modern values given in the Light List.

11-2. (A) What chart gives the most detail for Point Judith Harbor? (B) What is its scale? (C) Is this considered a LARGE scale or a SMALL scale chart?

11-3. Near Buzzards Bay Buoy BB you see two dashed lines emanating from the lighted Buoy VS. What do these lines indicate?

(A) Fish trap area.

(B) Prohibited anchoring.

(C) Underwater cable area.

(D) Light obscured boundaries.

11-4. You are on course 090 M. Your speed is 7.0 kts. You passed close abeam of Pt Judith Buoy 2 at 2010. It is now 2053. You see a bright white light on your port beam. (A) What is the name of this light? (B) Approximately how far off is it?

11-5. What kind of bottom is found in the center of Sippican Harbor? (A) Hard, (B) Muddy, (C) Rocky, (D) Sandy.

11-6. You are on course 270 M and Buoy 2 south of Nomans Land is dead ahead. Gay Head Light bears 340 M. What is your Lat-Lon? (B) Proceeding on toward the buoy on the same course sometime later you notice that Gay Head Light disappears. What is your approximate Lon when that happens?

11-7. At 0725 your position is 41°20.3’N, 71°18.7’W. What is the range and true bearing to Pt. Judith Light?

11-8. At 1425 you are heading 054 T and Pt Judith Light is abeam to port at 3.1 nmi. The current is 135 T at 1.8 kts. (A) At a knotmeter speed of 8.0 which true course must you steer to make good 048 T? (B) What is the corresponding compass course?

11-9. At 1130 you are located between Buoy 3 and Buoy 4 headed south along the Cleveland Ledge Channel. Your course is 195 T. You take a bearing to Nyes Neck of 127 T. What is the relative bearing to that point?

(A) 292 R.

(B) 142 R.

(C) 068 R.

(D) 277 R.

11-10. At 0825 your position is 41° 24.5’N, 71° 10.0’W and your heading is 350 T. You see a buoy at a relative bearing of 340 R. What does this buoy mark?

11-11.

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