quiz test

What is the approximate compression of the Earth?

The following rhumb line tracks and distances are flown; starting from E in latitude 50°N.

E to F 000°(T) 300 NM

F to G 090°(T) 300 NM

G to H 180°(T) 300 NM

What is the rhumb line bearing and distance of H from E?

An aircraft flies for 1000 nm along a rhumb line track of 090°(T) from C at 36°00’N 174°45’E to D. What is the longitude of D?

A flight is to be made along the parallel of latitude from A at 48°00’N 04°00’W to B at 48°00’N 02°27’E. Calculate the distance

An aircraft at position 2700N 17000W travels 3000 km on a track of 180°(T), then 3000 km on

a track of 090°(T), then 3000 km on a track of 000°(T), then 3000 km on a track of 270°(T).

What is its final position?

A and B are both in the Southern hemisphere and the convergency of their meridians is 8°. The initial great circle track from A to B is 094°(T).

If the position of B is 23°00’S 20°00’W, what is the position of A?

Calculate the convergency between positions A (55°30’N 04°35’W) and B  (64°00’N 22°37’W).

Position X 64°00’S 11°50’W. Position Y 64°00’S 05°10’W.

Give:

The approximate initial great circle track from Y to X.

A and B are in the same hemisphere.

The initial great circle track from B to A is 268°(T) and the initial great circle

track from A to B is 092°(T).

i)In which hemisphere are A and B?

ii)What is the rhumb line track from A to B?

In what latitude is the convergency between two meridians on the Earth

equal to twice their convergency in latitude 20°N?

The great circle track from A to B measures 227°(T) at A and 225°(T) at B.

What is the convergency of the meridians through A and B and in which

hemisphere are they?

The great circle bearing of position B in latitude 30°00’S from position A (30°00’S

165°00’E) is 100°(T).

What is:

a. The great circle track from B to A?

b.The longitude of position B ?

The convergency of the meridians through M and N which are in the Southern

hemisphere is 12°.

If the rhumb line track from M to N is 249°(T), what is the great circle track:

from M to N?

An aircraft flying VFR using visual navigation crosses two parallel roads at right

angles to the track. For what purpose could that information be used?

Which of the following would be most useful as a visual checkpoint when

planning a flight?

refer to Appendix A. What is the symbol for an unlighted

obstacle?

You are flying a VFR route and have become uncertain of your position. Which is

the best course of action?

You are flying an airway with a centre line QDM of 137 °(M) towards VOR/DME ‘A’.

Your RMI reads 141°(M)/DME 90 NM.

Are you left or right of centre line?

On the approach to London Heathrow runway 27, glide slope 3°, you reduce speed

from 150 kt to 120 kt. What change should you make to your ROD to maintain glide

slope?

You are approaching Innsbruck, Austria on a glide slope of 3.5°. What height (QFE)

should you be at 2 miles range

An aircraft is flying due South. At 1000 hrs, point P bears 267°(T) from the aircraft.

At 1006 hrs, point P bears 275°(T) from the aircraft. If the aircraft has a ground

speed of 120 kt, estimate the range of the aircraft from point P.

Approaching London City airport (glide slope 5.5°), you reduce ground speed from 120 kt to

110 kt. What change should you make to your ROD to maintain the glide slope?

Approaching London Heathrow (3° glide slope), an aircraft decreases speed from 140 kt to 120

kt. What change in the ROD must be made to maintain the glide slope?

An aircraft is flying from Oxford to Cambridge, planned track 074°(M), distance

70 NM, heading 065°(M). Having flown 30 NM, the pilot ‘pinpoints’ the aircraft

position overhead Cranfield, 4 NM left of planned track

What was the expected drift?

An aircraft leaves A to fly to B, 95 NM distance. Having flown 35 NM, the aircraft

position is found from a ‘pinpoint’ (a geographical point over which the aircraft has

flown); the pinpoint is 7 NM right of track.

What alteration of heading is required to fly direct to B?

If an aircraft is 2 miles off required track at a range of 40 NM, what is the angle off

track (track error)?

If an aircraft is 3° off required track at a range of 120 NM, how far in nautical miles

(NM) is the aircraft off required track?

You are flying from S to T, which is a required track of 272°(T). You find that your

position is 50 NM from T and 5 NM right of the required track. What track must you

fly to arrive overhead T?

You are flying from Q to R, which is a required track of 125°(T). You find that your

position is 40 NM from R and 2 NM left of the required track. What track must you

fly to arrive overhead R?

You are flying an instrument approach to an airfield and the required glide slope

angle is 2.5°. You are correctly on the glide slope and you are passing a height of

1000 feet QFE. What is your range from the touchdown point? (Assume 1 NM =

6000 feet).

You are flying an instrument approach to an airfield and the required glide slope

angle is 3.00°. What height should you be passing when you are exactly 2 nautical

miles from the touchdown point? (NOTE: For this question, assume 1 NM = 6000

feet).

A surveyor places himself 660 metres from a mast and measures an elevation angle

of 4° to the top of the mast. What is the height of the mast?

You are flying from N to P, which is a required track of 315°(T). You find that your

position is 40 NM outbound from N and 6 NM left of the required track. What is

your track made good?

You are flying from L to M, which is a required track of 220°(T). You find that your

position is 45 NM outbound from L and 3 NM right of the required track. What is

your track made good?

You are flying from J to K, which is a required track of 045°(T). You find that your

position is 80 NM outbound from J and 4 NM left of the required track. What is

your track made good?

You are flying from G to H. You find that your position is 30 NM outbound from G

and 4 NM left of the required track. What is your track error angle?

You are flying from E to F. You find that your position is 90 NM outbound from E

and 6 NM right of the required track. What is your track error angle?

You are flying from C to D. You find that your position is 120 NM outbound from C

and 8 NM right of the required track. What is your track error angle?

You are flying from A to B. You find that your position is 60 NM outbound from A

and 7 NM left of the required track. What is your track error angle?

On a particular take-off, you can accept up to 10 knots tailwind. The runway QDM

is 047, the variation is 17°E and the ATIS gives the wind direction as 210. What is

the maximum wind strength you can accept?

If variation is West, then:

What is a line of equal magnetic variation?

What is the dip angle at the South Magnetic Pole?

What is the maximum possible value of dip angle?

Isogonal lines converge as follows:

The value of magnetic variation on a chart changes with time. This is due to:

The angle between True North and Magnetic North is known as:

The agonic line:

The value of variation:

Where is a compass most effective?

Which of these is a correct statement about the Earth’s magnetic field?

At the magnetic equator:

What is the definition of magnetic variation?

The sensitivity of a direct reading magnetic compass is

A Rhumb Line cuts all meridians at the same angle. This gives:

Any Meridian Line is a:

You are at position A at 54°20’N 002°30’W. Given a ch.lat of 16°20’N and a ch.long

of 20°30’W to B, what is the position of B?

What is the difference in nautical miles from position A (41°25’N)

to position B (79°30’N)? Both are on the same meridian.

Given that the compression value of the Earth is 1/297 and that the semi-major

axis of the Earth, measured at the axis of the Equator, is 6378.4 km, what is the

semi-minor (i.e. radius) axis of the Earth measured at the axis of the Poles?

A great circle has its North vertex at 70N 130E. What is the position of its South

vertex?

A Graticule is the name given to:

Your position is 5833N 17400W. You fly exactly 6 NM eastwards. What is your new

position?

An aircraft is flying around the Earth eastwards along the 60N parallel of latitude

at a ground speed of 240 knots. At what ground speed would another aircraft

have to fly eastwards along the Equator to fly once round the Earth in the same

journey time?

An aircraft departs a point 0400N 17000W and flies 600 NM South, followed by

600 NM East, then 600 NM North, then 600 NM West. What is its final position?

An aircraft at position 50N 006E travels 300 NM due South, then travels 300 NM

due East, then 300 NM due North and then 300 NM due West. What is the

aircraft’s final position relative to its start point?

An aircraft starts at position 0410S 17822W and heads true north for 2950 NM,

then turns 90 degrees left, and maintains a rhumb line track for 314 kilometres.

What is its final position?

Aircraft S leaves position 36°N 10°E at 1522 hours, and flies a rhumb line track of

090°(T) at ground speed 470 kt until it reaches the 13°E meridian when it turns

onto a track of 180°(T) at a ground speed of 460 kt.

Aircraft T leaves position 30°N 10°E at 1522 hours and flies a rhumb line track of

090°(T) at ground speed 150 kt,

1.  Which aircraft reaches position 30°N 13°E first?

Aircraft Q, ground speed 301 kt flies parallel of latitude 46°N through 10° of

longitude. Aircraft R, ground speed 364 kt flies between the same meridians in the

same time as aircraft Q.

What is the latitude of the track of aircraft R?

An aircraft leaves position L in latitude 37°S and makes good the following tracks

and ground speeds:

L to M 270°(T) 310 kt M to N 180°(T) 280 kt N to P 090°(T) 250 kt

P is due south of L

M is reached 80 minutes after leaving L

P is reached 93.5 minutes after leaving N

Calculate the distance and time from M to N.

At which latitude is the departure in NM. between two points equal to:

i.

At Equator

their difference in longitude in minutes?

An aircraft leaves J (36°00’S 130°14’E) at 0946 UTC, flying a rhumb line track of 270°

at Flight Level 100, temperature 0°C, Mach No. 0.81, wind component 35 kt tail.

What is the aircraft’s position at 1004 UTC?

In which latitude is a difference in longitude of 44°10’ the equivalent of a

departure of 2295 NM?

What is the track and distance measured along the parallel of latitude of 80°S from

176°15’W to 179°45’E?