Star Azimuths Flashcards
On 15 October your 0325 zone time DR position is LAT 26° 51.0’ N, LONG 138° 17.0’ W. At that time, you observe Canopus bearing 167° pgc. The chronometer reads 00h 25m 36s, and the chronometer error is 00m 20s slow. The variation is 2° E. What is the gyro error?
A. 1.3 W
B. 3.2 W
C. 3.2 E
D. 4.1 W
October (A)
On 25 August your 1926 zone time DR position is LAT 24° 17.0’ S, LONG 05° 47.0’ W. At that time, you observe Fomalhaut bearing 117° psc. The chronometer reads 07h 26m 52s, and the chronometer error is 00m 15s fast. The variation is 1.5° E. What is the deviation of the standard magnetic compass?
A. 0.2 W
B. 0.4 E
C. 1.3 W
D. 2.8 W
August (D)
On 28 July your 1937 zone time DR position is LAT 26° 13.0’ N, LONG 78° 27.0’ E. At that time, you observe Deneb bearing 048.7° pgc. The chronometer reads 02h 37m 42s, and the chronometer error is 00m 15s fast. The variation is 4° W. What is the gyro error?
A. 2.4 W
B. 2.8 E
C. 3.6 W
D. 3.6 E
July and April (B)
On 22 April your 0344 zone time DR position is LAT 21° 16.0’ N, LONG 107° 32.0’ W. At that time, you observe Spica bearing 236° psc. The chronometer reads 10h 45m 16s, and the chronometer error is 00m 25s fast. The variation is 7.5° E. What is the deviation of the standard compass?
A. 1.1 W
B. 5.2 E
C. 5.2 W
D. 6.1 W
July and April (B)
On 15 October your 0325 zone time DR position is LAT 26° 51.0’ N, LONG 138° 17.0’ W. At that time, you observe Canopus bearing 167° pgc. The chronometer reads 00h 25m 36s, and the chronometer error is 00m 20s slow. The variation is 2° E. What is the gyro error?
A. 1.3 W
B. 3.2 W
C. 3.2 E
D. 4.1 W
October (A)
On 1 March your 2135 zone time DR position is LAT 23° 54.0’ N, LONG 63° 22.0’ W. At that time, you observe Schedar bearing 328° psc. The chronometer reads 01h 35m 16s, and the chronometer error is 00m 07s slow. The variation is 3.5° E. What is the deviation of the standard compass?
A. 2.3 E
B. 2.5 W
C. 3.2 W
D. 4.2 E
March and June (C)
On 5 June your 0420 zone time DR position is LAT 26° 47.0’ N, LONG 133° 19.5’ W. At that time, you observe Vega bearing 298.1° psc. The chronometer reads 01h 21m 17s, and the chronometer error is 02m 25s fast. The variation is 3.5° E. What is the deviation of the standard compass?
A. 1.8 E
B. 5.2 E
C. 1.8 W
D. 5.2 W
March and June (C)
On 16 June your 0430 zone time DR position is LAT 29° 24.0’ S, LONG 36° 16.0’ E. At that time, you observe Vega bearing 341.0° psc. The chronometer reads 02h 32m 06s, and the chronometer error is 01m 54s fast. The variation is 20.5° W. What is the deviation?
A. 3.2 E
B. 3.2 W
C. 2.4 W
D. 2.8 E
March and June (C)
