Navigation Questions
100 questions
Easy
42
Medium
41
Hard
17
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One degree of latitude is equal to approximately:
Lines of longitude converge at the:
The Prime Meridian passes through:
A great circle is:
Which of the following is a great circle?
A rhumb line is a line that:
The maximum difference between a great circle and rhumb line track occurs:
One minute of arc of latitude measured along a meridian equals:
One degree of longitude at the equator is equal to approximately:
The length of one degree of longitude at 60°N is approximately:
A Lambert Conformal Conic projection is most accurate along the:
On a Lambert Conformal Conic chart, a straight line approximates a:
A Mercator projection is most accurate near the:
On a Mercator chart, a straight line represents a:
A Polar Stereographic projection is used for charts covering:
On a Polar Stereographic chart, a straight line is approximately a:
Meridians on a Mercator chart appear as:
On a Lambert Conformal Conic chart, meridians appear as:
Dead reckoning navigation uses:
Groundspeed equals:
UTC is based on time at the:
Local Mean Time (LMT) at 15°E is:
How many degrees of longitude does the Earth rotate in one hour?
If UTC is 1200, the LMT at 90°W is:
Sunrise occurs earliest at the most:
Magnetic variation is the angle between:
Compass deviation is caused by:
To convert from true heading to magnetic heading, you:
An isogonal is a line on a chart joining points of equal:
The agonic line is where:
At the magnetic poles, a freely suspended magnetic needle would:
At the magnetic equator, a freely suspended magnetic needle would be:
The triangle of velocities consists of:
Drift angle is the angle between:
An aircraft flying with a heading of 090° and experiencing 10° starboard drift has a track of:
If track required is 180° and the wind causes 8° port drift, the heading to steer is:
An aircraft with a TAS of 240 kt and a 40 kt headwind has a groundspeed of:
An aircraft flying at a groundspeed of 180 kt covers how many NM in 20 minutes?
1 nautical mile equals approximately:
An aircraft at FL350 with an OAT of -55°C and IAS of 250 kt will have a TAS that is:
The Point of Equal Time (PET) is the point from which:
With a headwind on the outbound leg, the PET will be:
The formula for PET distance from departure is:
The Point of Safe Return (PSR) is the last point from which an aircraft can:
With zero wind, the PSR is located:
Convergency is the angle of inclination between:
The formula for convergency between two meridians is:
Conversion angle is:
At the equator, the convergency between any two meridians is:
At the poles, the convergency between two meridians equals:
The shortest distance between two points on Earth is along a:
In the Northern Hemisphere, a great circle track between two points at the same latitude will:
A great circle track from A (40°N 020°W) to B (40°N 060°W) will initially track:
When is a rhumb line the same as a great circle?
On an aeronautical chart, a blue airport symbol typically represents:
The scale 1:500,000 means that 1 cm on the chart represents:
On a 1:1,000,000 chart, a distance of 54 NM (100 km) on the ground would measure:
RNAV (Area Navigation) allows aircraft to fly:
A waypoint in RNAV is defined by:
A fly-by waypoint requires the aircraft to:
A fly-over waypoint requires the aircraft to:
Mach number is the ratio of:
The speed of sound decreases with:
If an aircraft has a TAS of 480 kt, a track of 090°, and experiences a wind of 360°/60 kt, the drift is approximately:
The 1-in-60 rule states that:
An aircraft is 5 NM off track after flying 120 NM. Using the 1-in-60 rule, the track error is:
The International Date Line roughly follows the:
When crossing the International Date Line from west to east, you:
The antipodal point of 30°N 045°W is:
The circumference of the Earth at the equator is approximately:
To convert statute miles to nautical miles, multiply by approximately:
When accelerating on an easterly or westerly heading in the Northern Hemisphere, a direct-reading compass will indicate a turn toward:
When turning through north in the NH, a direct-reading compass will:
Scale on a Mercator chart:
The scale factor on a Lambert chart is exact at the:
ETA stands for:
If an aircraft departs at 0830 UTC and the flight time is 3 hours 45 minutes, the ETA is:
An aircraft with a groundspeed of 150 kt needs to fly 300 NM. The flight time is:
Track Made Good (TMG) is:
The departure formula for east-west distance is:
The distance along a meridian from 25°N to 37°N is:
The distance along the equator from 010°W to 025°E is:
If GS outbound is 400 kt, GS homebound is 500 kt, and total distance is 1800 NM, the PET is at:
The PSR formula is:
An aircraft departs position 45°N 030°E at 0900 UTC and flies for 4 hours. Sunrise at destination 45°N 060°E is at 0430 LMT. At what UTC time is sunrise there?
On ICAO charts, the symbol for a VOR is:
Spot heights on a topographical chart indicate:
Contour lines on an aeronautical chart that are close together indicate:
The great circle bearing from A to B differs from the rhumb line bearing by:
The convergency between meridians 020°W and 040°E at latitude 30°N is:
If planned GS was 180 kt but actual GS is 200 kt, and the planned time for a leg was 30 minutes, the revised time is:
An aircraft flying at Mach 0.82 at FL370 where the temperature is -56.5°C has a TAS of approximately:
A compass swing is performed to:
A deviation card is placed near the compass to show:
Which chart projection is best suited for equatorial regions?
On a Gnomonic projection, a straight line represents:
On a direct Mercator chart, a great circle (other than the equator or a meridian) appears as a:
If wind velocity is 270/30 and the aircraft track is 270, the wind effect is:
If wind velocity is 090/30 and the aircraft track is 270, the wind effect is:
The distance along the 60°N parallel between 010°W and 020°E is: