1101) If the hourly change of the S.H.A of the sun is found by 360 degrees divided by length of the tropical year in hours" it means that the sun has a direct motion relative to the fixed stars at. 2.46 per hour
1102) It is the interval of time which lapses between two successive transit of the true or apparent sun mean solar day
1103) It is the interval of time which elapses between two successive transit of the true or apparent sun mean solar day
1104) The position of the earth closest to the sun is otherwise known as perihelion
1105) The position of the earth closest to the sun is otherwise known as perihelion
1106) The point in the earth's orbit where it is nearest to the sun Perihelion
1107) The central body of the solar system sun
1108) The central body of the solar system sun
1109) One solar day is physically expressed as . one rotation relative to the sun
1110) One solar day is physically expressed as _________ one rotation relative to the sun
1111) The point in the earth's orbit farthest from the sun _____________. Aphelion
1112) The position of the body on its orbit when it has the same celestial longitude as the sun conjunction of a body
1113) The position of the body on its orbit when it has the same celestial longitude as the Sun conjunction of a body
1114) The primary or central body of the solar system __________.______ Sun
1115) It is the declination of the sun 23.5 south and the vertical rays of the sun at time of water solstice, this is about December 21 __________.__ Tropic of Capricorn
1116) A parallax correction is NOT applied to observations of the __________. stars
1117) Given are the courses and speeds of 4 vessels. The navigator of which vessel would be required to know the actual time of meridian transit in order to take an accurate observation at LAN? C 166°T, Sp 24 knots
1118) The correction tables in the Nautical Almanac for use with Moon sights do NOT include the effects of __________. instrument error
1119) In the daily pages of the almanac, which of the following is not found on the left hand pages? GHA of the sun
1120) It is in the yellow pages of the Nautical Almanac which is used for the interpolation of the difference go GHA and declination Increment corrections
1121) A correction for augmentation is included in the Nautical Almanac corrections for __________. the Moon
1122) Given are the courses and speeds of 4 vessels. The navigator of which vessel would be required to know the actual time of meridian transit in order to take an accurate observation at LAN? C 162°T, Sp 27 knots
1123) The difference (measured in degrees) between the GHA of the body and the longitude of the observer is the __________. meridian angle
1124) The GHA of the first point of Aries is 315° and the GHA of a planet is 150°. What is the right ascension of the planet? 11 hours
1125) The phase correction should be applied to sights of Venus and Mars __________. during twilight observations only
1126) When determining compass error by an azimuth of Polaris, you enter the Nautical Almanac with the __________. LHA Aries
1127) A phase correction is applied to observations of __________. planets
1128) Given are the courses and speeds of 4 vessels. The navigator of which vessel would be required to know the actual time of meridian transit in order to take an accurate observation at LAN? C 192°T, Sp 23 knots
1129) The values of the Greenwich hour angle and declination, tabulated in all almanacs, are for the __________. centers of the various celestial bodies
1130) What is the major limitation in using the Sight Reduction Tables for Air Navigation Volume I (Pub. No. 249) for star sights? Only certain stars are included and sights must be limited to those stars.
1131) Is the difference between the actual change of GHA in one hour and a constant value used in the interpolation tables? correction and increments
1132) Is the change of declination in one hour d correction
1133) In the daily pages of the almanac, which of the following is NOT found on the right hand pages GHA of the Aries
1134) When the equation of time is taken from the Nautical Almanac for use in celestial navigation, it is used to determine _____________? time of local apparent noon
1135) The LMT of LAN is 1152. Your longitude is 73 15E. What time would you used to enter the Nautical Almanac to determine the declination of the sun at Lan? 0659
1136) Given are the courses and speeds of 4 vessels. The navigator of which vessel would be required to know the actual time of meridian transit in order to take an accurate observation at LAN ? C 349°T, Sp 25 knots
1137) The correction tables in the front of the Nautical Almanac for use with sun sights do NOT include the effects of __________. irradiation
1138) Moon correction table at Nautical Almanac stated that all corrections are to be ______ to apparent altitude, but 30 mins is to be subtracted from the altitude of the upper limb. added
1139) Moon correction table at Nautical Almanac stated that all corrections are to be __________ to apparent altitude, but 30 mins is to be subtracted from the altitude of the upper limb. added
1140) Is the change of declination in one hour correction and increments
1141) Are given at the front and back of the almanac tables for the sun, stars and planets and a dip table. sextant altitude correction
1142) The symbol 3 of the Nautical Almanac, foot note section of Standard Times denotes__________. all of the options
1143) Which of the following is not seen on the left hand page of the Nautical Almanac? GHA of the Sun
1144) A buoy bears 176°T at 3000 yards. What is the course to make good to leave the buoy 100 yards to starboard? 174°T
1145) You are enroute to assist vessel A. Vessel A is underway at 4.5 knots on course 233°T, and bears 346°T at 68 miles from you. What is the course to steer at 13 knots to intercept vessel A? 328°
1146) You are enroute to assist vessel A. Vessel A is underway at 5 knots on course 063°T, and bears 136°T at 78 miles from you. What is the course to steer at 13 knots to intercept vessel A? 114°
1147) You are enroute to assist vessel A. Vessel A is underway at 5.5 knots on course 033°T, and bears 248°T at 64 miles from you. What is the course to steer at 13 knots to intercept vessel A? 262°
1148) You are underway at 10 knots. At 1800 you note a radar contact dead ahead at a range of 10 miles. At 1812 the contact is dead ahead at a range of 8 miles. The estimated speed of the contact is __________. dead in the water
1149) The "head of the bend" is the __________. top or upstream beginning of a bend
1150) You are inbound in a channel marked by a range. The range line is 309°T. You are steering 306°T and have the range in sight as shown. The range continues to open. What action should you take? Alter course to the left until the range closes then steer to the left of 306°T.
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