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?

An aircraft is flying at FL200, the OAT is 0°C. When the actual air pressure on an

airfield at MSL is placed on the subscale of the altimeter the indicated altitude is 19 300 ft. What is the aircraft’s True Altitude?

An aircraft at position 8500N 02000E flies a rhumb line track of 075°(T). What will be its path over the Earth?

An aircraft homing to a VOR/DME loses 2500 feet in 11.1 NM change of DME range.

What is the gradient of the slope?

The orbit of the Earth round the Sun is elliptical. An ellipse has 2 foci. Which of the following is a correct statement?

The distance A to B is 90 NM in a straight line. You are 60 NM from A when you fix

your position 4 NM to the left of track. What correction do you need to make to arrive at B?

How many nautical miles are travelled in 1 minute 45 seconds at a ground speed of 135 knots?

Given: FL350, Mach 0.80, OAT -55°(C), calculate values for TAS and LSS

Given: Position A is 60N 020W, Position B is 60N 021W, and Position C is 59N 020W, what are, respectively, the distances from A to B and from A to C?

Fuel flow per hr is 22 US.gal, total fuel on board is 83 imp.gal. What is the endurance?

Given:

TAS = 485 kt, OAT = ISA +10°C, FL410. Calculate the Mach Number.

The rhumb line distance between points A (60°00’N 002°30’E) and B (60°00’N 007°30’W) is:

The angle between the true great circle track and the true rhumb line track joining

the following points: A (60S 165W) and B (60S 177E) at the place of departure A?

During a low level flight 2 parallel roads are crossed at right angles by an aircraft. The time between these roads can be used to check the aircraft:

Given: True course 300°

Drift 8°R

Variation 10°W

Deviation -4°

Calculate the compass heading.

The distance between two waypoints is 200 NM.

To calculate compass heading the pilot used 2°E magnetic variation instead of 2°W.

Assuming that the forecast W/V applied, what will the off track distance be at the second waypoint?

Given:

IAS 120 kt

FL80

OAT +20°(C)

What is the TAS?

On a direct Mercator chart, a rhumb line appears as a

Isogonals are lines of equal:

A compass swing is performed in order to correct for:

What is the meaning of the term ‘standard time’?

What rate of descent is required to maintain a 3.5° glide slope at a ground speed of 150 knots?

On the Polar Stereographic projection, a great circle appears as:

What is the formula for conversion angle?

You are at FL150 and the SAT is -5°(C). You are over an airport with an elevation of 720 feet. The QNH is 1003. Assume 27 feet = 1 hPa. What is your true height?

On which chart projection is it not possible to show the North Pole?

On a Lambert’s chart the constant of the cone is 0.80. A is at 53N 04W. You plan

to fly to B. The initial Lambert’s chart straight-line track is 070(T) and the rhumb line track from A to B is 080(T). What is the longitude of B?

On a Lambert chart, the convergence factor is .78585. What is the parallel of tangency?

Lines of latitude on a chart are always

Given: Runway direction 083°(M), Surface W/V 045/35 kt. Calculate the effective headwind component.

On a conformal chart, the standard parallels are 41° 20’N and 11° 40’N. What is the constant of the cone?

What is the shortest distance between Point ‘A’ (3543N 00841E) and Point ‘B’ (5417N 17119W)?

What is the duration of civil twilight?

An aircraft flies 100 stat.m in 20 minutes. How long does it take to fly 215 NM?

What is the diameter of the Earth?

Given: Heading 165(M), Variation 25W, Drift 10°R, G/S 360 knots. At ‘A’ your

relative bearing to an NDB is 325R. Five minutes later, at ‘B’, the relative bearing is 280(R). What is the true bearing and distance from ‘B’ to the NDB?

At 0422 you are 185 NM from a VOR at FL370. You need to descend at a mean

descent rate of 1800’/min to be at FL80 overhead the VOR. Your ground speed in

the level cruise is currently 320 knots. In the descent your mean G/S will be 232 knots. What is the latest time to commence descent?

What is the chart convergence factor on a Polar Stereographic chart?

Please refer to Appendix A. What does symbol 9 represent?

How do rhumb lines (with the exception of meridians) appear on a Polar Stereographic chart?

On a chart, meridians at 45N are shown every 10 degrees apart. This is shown on the chart by a distance of 14 cm. What is the scale?

Given that the value of ellipticity 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 axis of the Earth measured at the axis of the Poles?

An aircraft at position 0000N/S 16327W flies a track of 225°(T) for 70 NM. What is its new position?

A Lambert conformal conic chart has a constant of the cone of 0.80.

A straight line course drawn on this chart from A (53°N 004°W) to B is 080° at A; course at B is 092°. What is the longitude of B?

TAS = 240 knots. Track is 180°(T). The relative bearing from an NDB is 315(R) at 1410. At 1420 the bearing has changed to 270(R). What is your distance from the NDB at 1420?

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

The chart that is generally used for navigation in polar areas is based on a:

Convert 80 metres/sec into knots.

Given: Aircraft height = 2500 feet, ILS GP angle = 3°, at what approximate distance from the threshold can you expect to intercept the glide-path?

At what times of the year does the length of the hours of daylight change most rapidly?

At what latitude does the maximum difference between geodetic and geocentric latitude occur?

If variation is East, then

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

at a ground speed of 360 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 island is observed to be 15°(T)o the left.

The aircraft heading is 120°(M), variation 17°(W).

The bearing (°T) from the aircraft to the island is:

Given: Track 198°, Heading 184°, TAS 427 kt and GS 453kt, what are the W/V and Drift Angle?

Please refer to Appendix A.

What is the chart symbol for a lightship?

What is the effect on the Mach number and TAS in an aircraft that is climbing with constant CAS?

What is the rhumb line track from A (4500N 01000W) to B (4830N 00500W)?

What is the reason for seasonal changes in climate?

What is a line of equal grivation?

What is the dip angle at the North Magnetic Pole?

Civil Twilight occurs between:

An aircraft’s compass must be swung:

An aircraft is at 5530N 03613W, where the variation is 15W. It is tuned to a VOR located at 5330N 03613W, where the variation is 12W. What VOR radial is the aircraft on?

You leave A to fly to B, 475 NM away, at 1000 hours. Your ETA at B is 1130. At

1040, you are 190 NM from A. What ground speed is required to arrive on time at B?

What is the weight in kilograms of 380 US Gallons at a Specific Gravity of 0.78?

Given: For take-off an aircraft requires a headwind component of at least 10 kt

and has a cross-wind limit of 35 kt. The angle between the wind direction and the runway is 45°. Calculate the maximum and minimum allowable wind speeds.

Given: Runway direction 083°(M), Surface W/V 035/35 kt. Calculate the effective crosswind component.

Given:

Magnetic heading 311°

Drift is 10° left

Relative bearing of NDB 270. What is the magnetic bearing of the NDB measured from the aircraft?

What is the maximum possible value of Dip Angle at either Pole?

At 1000 hours an aircraft is on the 310 radial from a VOR/DME, at 40 nautical miles

range. At 1015 the radial and range are 040/40 NM. What is the aircraft’s track and ground speed?

An aircraft departs a point 0400N 17000W and flies 240 NM South, followed by 240 NM East, then 240 NM North, then 240 NM West. What is its final position?

Position A is 55N 30W. Position B is 54N 20W. The great circle track from A to B, measured at A, is 100°(T). What is the rhumb line bearing from A to B?

Isogonal lines converge as follows:

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

Position A is at 70S 030W, position B is 70S 060E. What is the great circle track of B from A, measured at A?

The angle between the plane of the Equator and the plane of the Ecliptic is:

An aircraft is at 10°N and is flying North at 444 km/hour. After 3 hours the latitude is

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

What is the highest latitude on the Earth at which the Sun can be vertically overhead?

On a particular direct Mercator wall chart, ‘the full length of the parallel of latitude at 53N is 133 cm long. What is the scale of the chart at 30S?

You fly from 49N to 58N along the 180 E/W meridian. What is the distance in kilometres?

A rhumb line is:

You are homing to overhead a VORTAC and will descend from 7500 QNH to be

1000 AMSL by 6 NM DME. Your ground speed is 156 knots and the ROD will be 1000 feet/min. At what range from the VORTAC do you commence the descent?

An aircraft at FL370 is required to commence descent at 120 NM from a VOR and to

cross the facility at FL130. If the mean GS for the descent is 288 kt, the minimum rate of descent required is:

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?

Ground speed is 540 knots. 72 NM to go. What is time to go?

The relative bearing to a beacon is 090°R. Three minutes later, at a ground speed

of 180 knots, it has changed to 135°R. What was the distance of the closest point of approach of the aircraft to the beacon?

You are on an ILS 3-degree glide slope which passes over the runway threshold at

50 feet. Your DME range is 25 NM from the threshold. What is your height above

the runway threshold elevation? (Use the 1 in 60 rule and 6000 feet = 1 nautical mile)

How does scale change on a normal Mercator chart?

The pressure alt is 29 000 feet and the SAT is -55°(C). What is density altitude?

What is the highest latitude listed below at which the Sun will rise above the horizon and set every day?

In which month does aphelion occur?

At 65 NM from a VOR you commence a descent from FL330 in order to arrive over the VOR at FL80. Your mean ground speed in the descent is 240 knots. What rate of descent is required?

On a 5% glide slope your groundspeed is 150 kt. What should be your rate of descent to maintain the glide slope?

The agonic line:

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?

Your pressure altitude is FL55, the QNH is 998, and the SAT is +30°(C). What is density altitude?

You are heading 345°(M), the variation is 20°E, and you take a radar bearing of 30° left of the nose from an island. What bearing do you plot from the island?

Heading is 156°(T), TAS is 320 knots, W/V is 130/45 and the Variation is 10°W. What is your magnetic track?

The scale on a Lambert’s conformal conic chart

On a direct Mercator chart, great circles are shown as

On a chart, 90.74 km is represented by 7.0 centimetres. What is the scale?

A Lambert’s Conical conformal char

The main reason that day and night, throughout the year, have different durations is due to the:

5 hours 20 minutes and 20 seconds time difference is equivalent to which change of longitude?

In which months is the difference between apparent noon and mean noon the greatest?

By what amount must you change your rate of descent given a 10 knot decrease in headwind on a 3° glide slope?

You are heading 080°(T) when you get a range and bearing fix from your AWR on a headland at 185 NM 30° left of the nose. What true bearing do you plot on the chart?

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

then turns 90 degrees right, and maintains a rhumb line track for 314 kilometres. What is its final position?

Given:

Airport elevation is 1000 feet.

QNH is 988 hPa

What is the approximate airport pressure altitude?

An aircraft is at FL140 with an IAS of 210 and a true OAT of -5°(C). The wind

component is -35 knots. When the aircraft is at 150 NM from a reporting point,

ATC request the crew to lose 5 minutes by the time they get to the beacon. How much do they need to reduce IAS?

A useful method of a pilot resolving, on a visual flight, any uncertainty in the aircraft’s position is to maintain visual contact with the ground and:

Isogrivs are lines that connect positions that have:

A-C = 50nm (A-B = 30nm, B-C=20nm)

ATA A is 1010. ETA B is 1030. ETA C is 1043.

ATA B is 1027. What is revised ETA C?

An aircraft leaves at 0900UTC on a 250 NM journey with a planned ground speed

of 115 knots. After 74 NM the aircraft is 1.5 minutes behind the planned schedule. What is the revised ETA at the destination?

Grivation is the combination of

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?

An aircraft at position 60°N 005°W tracks 090°(T) for 315 km. On completion of the flight the longitude will be:

The sensitivity of a direct reading magnetic compass is:

You are flying 090°(C) heading. Deviation is 2W and Variation is 12E. Your TAS is 160 knots. You are flying the 070 radial outbound from a VOR and you have gone 14 NM in 6 minutes. What is the W/V?

An aircraft flies a great circle track from 56°N 070°W to 62°N 110°E. The total distance travelled is:

Required course 045°(T), W/V = 190 /30, FL = 55 @ ISA, Variation = 15°W. CAS = 120 knots. What is mag heading and G/S?

Course 040°(T), TAS 120 kt, Wind speed = 30 knots. From which direction will the wind give the greatest drift?

‘ISA Dev = +30°C, Pressure alt = 5000 feet. What is true alt?

G/S = 240 knots, Distance go = 530 NM. What is time to go?

Pressure Altitude is 28 000 feet, OAT = -45°C, Mach No = 0.46, W/V = 270/85, Track = 200°T. What is the drift and groundspeed?

A South Polar Stereographic chart is overprinted with a false grid aligned with the

prime meridian. At position 87S 123W the true track of an aircraft is 179°. What will the grid track be?

Question

A North Polar Stereographic chart is overprinted with a false grid aligned with the prime meridian. At position 80N 135E the grid track is 235°, will the true track be:

Sunrise/sunset twilight tables in the Air Almanac are listed for a sea level

situation. An aircraft flying at FL350 would experience sunrise _____________ ,sunset ___________ and the length of twilight would ____________

Between 60N and 60S, the minimum duration of Civil Twilight is?

Nautical twilight and astronomic twilight are the twilight periods that follow

civil twilight. Nautical twilight occurs when the Sun is between _________ and ____________ below the sensible horizon:

Civil twilight is

On Mid-winter Day in the Northern hemisphere, the Sun will be overhead:

On Mid-summer Day in the Southern hemisphere, the Sun will be overhead:

A ship at longitude 83E observes sunrise at a Zone Time of 0500 ZT on Zone Date 15th May. What is the UTC?

Zone Time (ZT) is used

Local Mean Time (LMT) always changes by a day when crossing:

The definition of Local Mean Time (LMT) is:

Without using the Air Almanac, convert 153°30’ of arc of longitude into time

A star has a Greenwich Hour Angle (GHA) of 220°. Which meridian is the star transiting (crossing)?

The Hour Angle (Greenwich Hour Angle) of a celestial body is analogous/ equivalent on the Earth to ________?

‘The Calendar Year and the Tropical Year are of different lengths. The difference

is adjusted partly by using leap years every fourth calendar year. However, some years are not designated as leap years’. Which of the following years will be a leap year?

What is the length of a Sidereal Year?

The maximum difference between mean time and apparent time is:

The maximum difference between mean noon (1200LMT) and real/apparent noon occurs in ________?

A sidereal day is

‘The length of daylight/night depends upon the declination of the Sun and the

latitude of the observer’. When is the rate of change of the length of daylight greatest?

The declination of a celestial body (the Sun) measured on the Celestial Sphere is analogous (equivalent) to ________________ on the Earth?

What is the angle between the Equinoctial and the Ecliptic?

In the situation given above in Question 5, the Sun will be overhead: