Chart Plotting Practice Test

Running fix from a single object

• A navigator obtains a bearing on a lighthouse at 0900 and cannot obtain a second simultaneous LOP. At 0930 …
• A navigator advances a 0600 LOP along the DR track to 0700 and crosses it with a 0700 LOP to obtain a runni…

Course to steer to compensate for current

• A vessel is steering 090°T at 10 knots. The current has a set of 180° and a drift of 2 knots. Which term co…
• Set, as a component of current, is correctly defined as which of the following?

Passing distance and CPA from chart plot

• According to the Navigation Rules, if the compass bearing to an approaching vessel remains constant and the…
• A vessel equipped with ARPA is required by 33 CFR §164.40 to also carry a device to indicate speed and dist…

Leeway allowance in plotting

• A navigational error arises from which of the following sources, according to Bowditch?
• A navigator obtains a single line of position (LOP) at 0800 and advances it along the DR track to intersect…

Plot true course and distance between two charted points

• On a Mercator projection chart, rhumb lines appear as which of the following?
• When measuring distance on a Mercator chart, the mariner should use which scale?

Plotting with variation and deviation (T-V-M-D-C)

• Variation printed inside a chart's compass rose represents the angle between which two references?
• When measuring distance on a Mercator chart, a mariner should use which scale?