Under the IALA-B Buoyage System, when entering from seaward, a buoy that should be left to port will be __________.?
A) black B) red C) green D) yellow E)NULL
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Information about direction and velocity of rotary tidal currents is found in the __________.?
A) Tide Tables B) Nautical Almanac C) Tidal Current Tables D) Mariner’s Guide E)NULL
Apparent altitude is sextant altitude corrected for __________.?
A) parallax and personal error B) inaccuracies in the reading and reference level C) visibility and magnitude D) All of the above are correct E)NULL
You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on the PPI display?
A) Starting with a dash and extending radially outward from the target B) As a broken line from center of PPI to the target C) Starting with a dot and extending radially inward from the target D) Starting with a…
Which instrument is used to predict the approach of a low pressure system?
A) Anemometer B) Fathometer C) Barometer D) Thermometer E)NULL
Which condition(s) is(are) necessary for the formation of dew?
A) Clear skies B) Calm air C) Earth’s surface cooler than the dew point of the air D) All of the above E)NULL
You should plot your dead reckoning position __________.?
A) from every estimated position B) from every fix or running fix C) every three minutes in pilotage waters D) only in pilotage waters E)NULL
On 13 November 1981 you observe a back sight of the lower limb of the Sun as seen through the sextant’s scope. The sextant altitude (hs) is 109°26.3′. The height of eye is 66 feet, and the index error is 2.0′ on the arc. What is the observed altitude (HO)?
A) 70°56.6′ B) 70°38.0′ C) 70°27.2′ D) 70°23.2′ E)NULL
Which publication would NOT be used on a voyage from Houston to New York?
A) Coast Pilot B) Light List C) Radio Navigational Aids D) Sailing Directions (Enroute) E)NULL
The velocity and direction of the tidal current at Port Morris, NY, at 1135 DST (ZD +4) on 13 May 1983 will be __________.?
A) negligible at 220°T B) 3.1 knots at 045°T C) 1.2 knots at 220°T D) 1.0 knot at 045°T E)NULL