What U.S. agency is responsible for NAVAREA warnings?
A) Coast Guard B) National Oceanic and Atmospheric Administration C) National Ocean Service D) National Imagery and Mapping Agency E)NULL
Arşivler Sorular
A great circle crosses the equator at 127°W. It will also cross the equator at what other longitude?
A) 127°E B) 53°E C) 27°E D) 27°W E)NULL
You are navigating in pilotage waters using running fixes. The maximum time between fixes should be about __________.?
A) 4 hours B) 1 hour C) 30 minutes D) 5 minutes E)NULL
All straight lines represent great circle tracks on a chart based on a(n) __________.?
A) Mercator projection B) polyconic projection C) orthographic projection D) gnomonic projection E)NULL
You want to transit Hell Gate on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.5 knot?
A) 0939 to 0957 B) 0943 to 0953 C) 0844 to 0852 D) 0348 to 0356 E)NULL
The true wind is from 330°T, speed 6 knots. You want the apparent wind to be 30 knots from 10° on your port bow. To what course and speed must you change?
A) Cn 240°, 28.0 knots B) Cn 270°, 28.0 knots C) Cn 180°, 30.0 knots D) Cn 090°, 32.5 knots E)NULL
If the sky was clear, with the exception of a few cumulus clouds, it would indicate __________.?
A) rain B) hurricane weather C) fair weather D) fog setting in E)NULL
The point where the vertical rise or fall of tide has stopped is referred to as __________.?
A) slack water B) the rip tide C) the stand of the tide D) the reverse of the tide E)NULL
The difference of latitude (l) between the geographic position (GP) of a celestial body and your position, at the time of upper transit, is represented by __________.?
A) colatitude B) codistance C) zenith distance D) altitude E)NULL
The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the __________.?
A) set B) frequency C) period D) function E)NULL