The true course between two points is 057°. Your gyrocompass has an error of 3° east and you make an allowance of 1° leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?

Question

The true course between two points is 057&deg;. Your gyrocompass has an error of 3&deg; east and you make an allowance of 1&deg; leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?

Accepted Answer

Option B: 053&deg;pgc. To make good a true course of 057° with 3°E gyro error and 1° leeway from a north-northwest wind (pushing the vessel to starboard), the helmsman must correct the course, yielding 053°pgc.

The true course between two points is 057&deg;. Your gyrocompass has an error of 3&deg; east and you make an allowance of 1&deg; leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?

The true course between two points is 057°. Your gyrocompass has an error of 3° east and you make an allowance of 1° leeway for a north-northwest wind. Which gyro course should be steered to make the true course good?