Vayudoot Aviation

1.
On a Transverse Mercator chart, scale is exactly correct along the

prime meridian and the equator

Equator, parallel of origin and prime vertical

meridian of tangency

datum meridian and meridian perpendicular to it

2.
When is the magnetic compass most effective?

About midway between the magnetic poles

On the geographic equator

In the region of the magnetic North Pole.

In the region of the magnetic South Pole.

3.
An aircraft travels from point A to point B, using the autopilot connected to the aircraft's inertial system. The coordinates of A (45°S 010°W) and B (45°S 030°W) have been entered.The true course of the aircraft on its arrival at B, to the nearest degree, is

284°

270°

277°

263°

4.
Approximately how many nautical miles correspond to 12 cm on a map with a scale of 1 : 2 000 000?

150

329

130

43

5.
Given:A polar stereographic chart whose grid is aligned with the zero meridian. Grid track 344°, Longitude 115°00'W,Calculate the true course?

099°

049°

279°

229°

6.
An aircraft departing A(N40º 00´ E080º 00´) flies a constant true track of 270º at a ground speed of 120 kt. What are the coordinates of the position reached in 6 HR?

N40º 00´ E068º 10´

N40º 00´ E060º 00´

N40º 00´ E064º 20´

N40º 00´ E070º 30´

7.
The following information is displayed on an Inertial Navigation System:GS 520 kt,True HDG 090°,Drift angle 5° right,TAS 480 kt.SAT (static air temperature) -51°C.The W/V being experienced is

225° / 60 kt

320° / 60 kt

220° / 60 kt

325° / 60 kt

8.
Given: Distance 'A' to 'B' is 475 NM,Planned GS 315 kt,ATD 1000 UTC,1040 UTC - fix obtained 190 NM along track.What GS must be maintained from the fix in order to achieve planned ETA at 'B'?

360 kt.

300 kt

320 kt.

340 kt

9.
Given: GS = 236 kt.Distance from A to B = 354 NMWhat is the time from A to B?

1 HR 09 MIN

1 HR 10 MIN

1 HR 30 MIN

1 HR 40 MIN

10.
An aircraft at FL370, M0.86, OAT -44°C, headwind component 110 kt, is required to reduce speed in order to cross a reporting point 5 MIN later than planned. If the speed reduction were to be made 420 NM from the reporting point, what Mach Number is required?

M0.79

M0.75

M0.81

M0.73

11.
The angle between True North and Magnetic North is called

compass error

deviation

variation

drift

12.
What is the meaning of the term ""standard time"" ?

It is another term for UTC

It is the time zone system applicable only in the USA

It is the time set by the legal authorities for a country or part of a country

It is an expression for local mean time

13.
Given:Distance 'Q' to 'R' 1760 NMGroundspeed 'out' 435 ktGroundspeed 'back' 385 ktSafe endurance 9 HR The distance from 'Q' to the Point of Safe Return (PSR) between 'Q' and 'R' is

1313 NM

1467 NM

1642 NM

1838 NM

14.
At 47° North the chart distance between meridians 10° apart is 5 inches. The scale of the chart at 47° North approximates

1 : 8 000 000

1 : 2 500 000

1 : 6 000 000

1 : 3 000 000

15.
A ground feature appears 30° to the left of the centre line of the CRT of an airborne weather radar. If the heading of the aircraft is 355° (M) and the magnetic variation is 15° East, the true bearing of the aircraft from the feature is

130°

310°

160°

220°

16.
When turning right from 330°(C) to 040°(C) in the northern hemisphere, the reading of a direct reading magnetic compass will

under-indicate the turn and liquid swirl will decrease the effect

over-indicate the turn and liquid swirl will decrease the effect

over-indicate the turn and liquid swirl will increase the effect

under-indicate the turn and liquid swirl will increase the effect

17.
One of the errors inherent in a ring laser gyroscope occurs at low input rotation rates tending towards zero when a phenomenon known as 'lock-in' is experienced. What is the name of the technique, effected by means of a piezo-electric motor, that is used to correct this error?

dither

cavity rotation

beam lock

zero drop

18.
An aircraft is following a true track of 048° at a constant TAS of 210 kt. The wind velocity is 350° / 30 kt. The GS and drift angle are

200 kt, 3.5° right

192 kt, 7° right

225 kt, 7° left

192 kt, 7° left

19.
On a transverse Mercator chart, the scale is exactly correct along the

meridians of tangency

meridian of tangency and the parallel of latitude perpendicular to it

equator and parallel of origin

prime meridian and the equator

20.
For a landing on runway 23 (227° magnetic) surface W/V reported by the ATIS is 180/30kt. VAR is 13°E. Calculate the cross wind component?

20 kt

22 kt

15 kt

26 kt

21.
What is the time required to travel along the parallel of latitude 60° N between meridians 010° E and 030° W at a groundspeed of 480 kt?

1 HR 15 MIN

2 HR 30 MIN

5 HR 00 MIN

1 HR 45 MIN

22.
The azimuth gyro of an inertial unit has a drift of 0.01°/HR.After a flight of 12 HR with a ground speed of 500 kt, the error on the aeroplane position is approximately

6 NM

60 NM

12 NM

1 NM

23.
The automatic flight control system (AFCS) in an aircraft is coupled to the guidance outputs from an inertial navigation system (INS) and the aircraft is flying from waypoint No. 2 (60°00'S 070°00'W) to No. 3 (60°00'S 080°00'W).Comparing the initial track (°T) at 070°00'W and the final track (°T) at 080°00'W, the difference between them is that the initial track is approximately

9° less than the final one

5° greater than the final one

5° less than the final one

9° greater than the final one

24.
Given:ILS GP angle = 3.5 DEG,GS = 150 kt.What is the approximate rate of descent?

700 FT/MIN

1000 FT/MIN

900 FT/MIN

800 FT/MIN

25.
An aircraft flies a great circle track from 56° N 070° W to 62° N 110° E. The total distance travelled is?

5420 NM

2040 NM

1788 NM

3720 NM

26.
Which one of the following statements is correct concerning the appearance of great circles, with the exception of meridians, on a Polar Stereographic chart whose tangency is at the pole ?

Any straight line is a great circle

They are curves convex to the Pole

The higher the latitude the closer they approximate to a straight line

They are complex curves that can be convex and/or concave to the Pole

27.
The constant of the cone, on a Lambert chart where the convergence angle between longitudes 010°E and 030°W is 30°, is

0.50

0.75

0.64

0.40

28.
An aircraft at FL120, IAS 200kt, OAT -5° and wind component +30kt, is required to reduce speed in order to cross a reporting point 5 MIN later than planned. Assuming flight conditions do not change, when 100 NM from the reporting point IAS should be reduced to

165 kt

169 kt

159 kt

174 kt

29.
A negative (westerly) magnetic variation signifies that

True North is West of Magnetic North

True North is East of Magnetic North

Compass North is East of Magnetic North

Compass North is West of Magnetic North

30.
Given: Distance 'A' to 'B' is 100 NM,Fix obtained 40 NM along and 6 NM to the left of course.What heading alteration must be made to reach 'B'?

6° Right

9° Right

15° Right

18° Right

31.
Given: TAS = 132 kt,HDG (T) = 053°,W/V = 205/15kt.Calculate the Track (°T) and GS?

052 - 143 kt

057 - 144 kt

051 - 144 kt

050 - 145 kt

32.
Some inertial reference and navigation systems are known as ""strapdown"". This means that

only the gyros, and not the accelerometers, become part of the unit's fixture to the aircraft structure

gyros and accelerometers need satellite information input to obtain a vertical reference

gyros and accelerometers are mounted on a stabilised platform in the aircraft

the gyroscopes and accelerometers become part of the unit's fixture to the aircraft structure

33.
On the 27th of February, at 52°S and 040°E, the sunrise is at 0243 UTC. On the same day, at 52°S and 035°W, the sunrise is at

2143 UTC

0243 UTC

0743 UTC

0523 UTC

34.
Which of the following statements concerning earth magnetism is completely correct?

An isogonal is a line which connects places of equal dip, the aclinic is the line of zero magnetic dip

An isogonal is a line which connects places with the same magnetic variation, the aclinic connects places with the same magnetic field strength

An isogonal is a line which connects places with the same magnetic variation, the agonic line is the line of zero magnetic dip

An isogonal is a line which connects places with the same magnetic variation, the aclinic is the line of zero magnetic dip

35.
Given: True HDG = 035°,TAS = 245 kt,Track (T) = 046°,GS = 220 kt.Calculate the W/V?

335/45kt

340/45kt

335/55kt

340/50kt

36.
Isogonals are lines of equal

pressure.

wind velocity

compass deviation

magnetic variation

37.
The nominal scale of a Lambert conformal conic chart is the

mean scale between the parallels of the secant cone

scale at the equator

mean scale between pole and equator

scale at the standard parallels

38.
Given:FL120, OAT is ISA standard, CAS is 200 kt,Track is 222°(M),Heading is 215° (M),Variation is 15°W.Time to fly 105 NM is 21 MIN.What is the W/V?

055°(T) / 105 kt

040°(T) / 105 kt.

065°(T) / 70 kt.

050°(T) / 70 kt

39.
Given: TAS = 198 kt,HDG (°T) = 180,W/V = 359/25.Calculate the Track(°T) and GS?

180 - 223 kt

180 - 183 kt

179 - 220 kt

181 - 180 kt

40.
61.4.7.0 (4483) An aircraft was over 'A' at 1435 hours flying direct to 'B'.Given:Distance 'A' to 'B' 2900 NMTrue airspeed 470 ktMean wind component 'out' +55 ktMean wind component 'back' -75 ktSafe endurance 9 HR 30 MIN The distance from 'A' to the Point of Safe Return (PSR) 'A' is

2141 NM

1611 NM

2844 NM

1759 NM

41.
An aircraft takes-off from an airport 2 hours before sunset. The pilot flies a track of 090°(T), W/V 130°/ 20 kt, TAS 100 kt. In order to return to the point of departure before sunset, the furthest distance which may be travelled is

105 NM

115 NM

84 NM

97 NM

42.
The main reason for mounting the detector unit of a remote reading compass in the wingtip of an aeroplane is

to ensure that the unit is in the most accessible position on the aircraft for ease of maintenance

to minimise the amount of deviation caused by aircraft magnetism and electrical circuits

to maximise the units exposure to the earth's magnetic field

by having detector units on both wingtips, to cancel out the deviation effects caused by the aircraft strucure

43.
The flight log gives the following data :""True track, Drift, True heading, Magnetic variation, Magnetic heading, Compass deviation, Compass heading""The right solution, in the same order, is

117°, 4°L, 121°, 1°E, 122°, -3°, 119°

115°, 5°R, 120°, 3°W, 123°, +2°, 121°

119°, 3°L, 122°, 2°E, 120°, +4°, 116°

125°, 2°R, 123°, 2°W, 121°, -4°, 117°

44.
An aircraft is flying with the aid of an inertial navigation system (INS) connected to the autopilot. The following two points have been entered in the INS computer:WPT 1: 60°N 030°WWPT 2: 60°N 020°WWhen 025°W is passed the latitude shown on the display unit of the inertial navigation system will be

59°49.0'N

60°00.0'N

60°11.0'N

60°05.7'N

45.
Given:Magnetic heading 311°Drift angle 10° leftRelative bearing of NDB 270°What is the magnetic bearing of the NDB measured from the aircraft?

208°

221°

180°

211°

46.
What is the final position after the following rhumb line tracks and distances have been followed from position 60°00'N 030°00'W?South for 3600 NM, East for 3600 NM, North for 3600 NM, West for 3600 NM.The final position of the aircraft is

60°00'N 090°00'W

59°00'N 090°00'W

59°00'N 060°00'W

60°00'N 030°00'E

47.
On a polar stereographic projection chart showing the South Pole, a straight line joins position A (70°S 065°E) to position B (70°S 025°W).The true course on departure from position A is approximately

135°

225°

315°

250°

48.
An aircraft departs from position A (04°10' S 178°22'W) and flies northward following the meridian for 2950 NM. It then flies westward along the parallel of latitude for 382 NM to position B. The coordinates of position B are?

53°20'N 172°38'E

53°20'N 169°22W

45°00'N 172°38'E

45°00'N 169°22W

49.
In an Inertial Navigation System (INS), Ground Speed (GS) is calculated:

from TAS and W/V from Air Data Computer (ADC)

by integrating gyro precession in N/S and E/W directions respectively

from TAS and W/V from RNAV data

by integrating measured acceleration

50.
Given:Runway direction 305°(M),Surface W/V 260°(M)/30 kt. Calculate the crosswind component?

18 kt

24 kt

27 kt

21 kt

Question Bank

Questions for Indigo gen NAV 4090-4604

On a Transverse Mercator chart, scale is exactly correct along the

When is the magnetic compass most effective?

An aircraft travels from point A to point B, using the autopilot connected to the aircraft's inertial system. The coordinates of A (45°S 010°W) and B (45°S 030°W) have been entered.The true course of the aircraft on its arrival at B, to the nearest degree, is

Approximately how many nautical miles correspond to 12 cm on a map with a scale of 1 : 2 000 000?

Given:A polar stereographic chart whose grid is aligned with the zero meridian. Grid track 344°, Longitude 115°00'W,Calculate the true course?

An aircraft departing A(N40º 00´ E080º 00´) flies a constant true track of 270º at a ground speed of 120 kt. What are the coordinates of the position reached in 6 HR?

The following information is displayed on an Inertial Navigation System:GS 520 kt,True HDG 090°,Drift angle 5° right,TAS 480 kt.SAT (static air temperature) -51°C.The W/V being experienced is

Given: Distance 'A' to 'B' is 475 NM,Planned GS 315 kt,ATD 1000 UTC,1040 UTC - fix obtained 190 NM along track.What GS must be maintained from the fix in order to achieve planned ETA at 'B'?

Given: GS = 236 kt.Distance from A to B = 354 NMWhat is the time from A to B?

An aircraft at FL370, M0.86, OAT -44°C, headwind component 110 kt, is required to reduce speed in order to cross a reporting point 5 MIN later than planned. If the speed reduction were to be made 420 NM from the reporting point, what Mach Number is required?

The angle between True North and Magnetic North is called

What is the meaning of the term ""standard time"" ?

Given:Distance 'Q' to 'R' 1760 NMGroundspeed 'out' 435 ktGroundspeed 'back' 385 ktSafe endurance 9 HR The distance from 'Q' to the Point of Safe Return (PSR) between 'Q' and 'R' is

At 47° North the chart distance between meridians 10° apart is 5 inches. The scale of the chart at 47° North approximates

A ground feature appears 30° to the left of the centre line of the CRT of an airborne weather radar. If the heading of the aircraft is 355° (M) and the magnetic variation is 15° East, the true bearing of the aircraft from the feature is

When turning right from 330°(C) to 040°(C) in the northern hemisphere, the reading of a direct reading magnetic compass will

One of the errors inherent in a ring laser gyroscope occurs at low input rotation rates tending towards zero when a phenomenon known as 'lock-in' is experienced. What is the name of the technique, effected by means of a piezo-electric motor, that is used to correct this error?

An aircraft is following a true track of 048° at a constant TAS of 210 kt. The wind velocity is 350° / 30 kt. The GS and drift angle are

On a transverse Mercator chart, the scale is exactly correct along the

For a landing on runway 23 (227° magnetic) surface W/V reported by the ATIS is 180/30kt. VAR is 13°E. Calculate the cross wind component?

What is the time required to travel along the parallel of latitude 60° N between meridians 010° E and 030° W at a groundspeed of 480 kt?

The azimuth gyro of an inertial unit has a drift of 0.01°/HR.After a flight of 12 HR with a ground speed of 500 kt, the error on the aeroplane position is approximately

Given:ILS GP angle = 3.5 DEG,GS = 150 kt.What is the approximate rate of descent?

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

Which one of the following statements is correct concerning the appearance of great circles, with the exception of meridians, on a Polar Stereographic chart whose tangency is at the pole ?

The constant of the cone, on a Lambert chart where the convergence angle between longitudes 010°E and 030°W is 30°, is

An aircraft at FL120, IAS 200kt, OAT -5° and wind component +30kt, is required to reduce speed in order to cross a reporting point 5 MIN later than planned. Assuming flight conditions do not change, when 100 NM from the reporting point IAS should be reduced to

A negative (westerly) magnetic variation signifies that

Given: Distance 'A' to 'B' is 100 NM,Fix obtained 40 NM along and 6 NM to the left of course.What heading alteration must be made to reach 'B'?

Given: TAS = 132 kt,HDG (T) = 053°,W/V = 205/15kt.Calculate the Track (°T) and GS?

Some inertial reference and navigation systems are known as ""strapdown"". This means that

On the 27th of February, at 52°S and 040°E, the sunrise is at 0243 UTC. On the same day, at 52°S and 035°W, the sunrise is at

Which of the following statements concerning earth magnetism is completely correct?

Given: True HDG = 035°,TAS = 245 kt,Track (T) = 046°,GS = 220 kt.Calculate the W/V?

Isogonals are lines of equal

The nominal scale of a Lambert conformal conic chart is the

Given:FL120, OAT is ISA standard, CAS is 200 kt,Track is 222°(M),Heading is 215° (M),Variation is 15°W.Time to fly 105 NM is 21 MIN.What is the W/V?

Given: TAS = 198 kt,HDG (°T) = 180,W/V = 359/25.Calculate the Track(°T) and GS?

61.4.7.0 (4483) An aircraft was over 'A' at 1435 hours flying direct to 'B'.Given:Distance 'A' to 'B' 2900 NMTrue airspeed 470 ktMean wind component 'out' +55 ktMean wind component 'back' -75 ktSafe endurance 9 HR 30 MIN The distance from 'A' to the Point of Safe Return (PSR) 'A' is

An aircraft takes-off from an airport 2 hours before sunset. The pilot flies a track of 090°(T), W/V 130°/ 20 kt, TAS 100 kt. In order to return to the point of departure before sunset, the furthest distance which may be travelled is

The main reason for mounting the detector unit of a remote reading compass in the wingtip of an aeroplane is

The flight log gives the following data :""True track, Drift, True heading, Magnetic variation, Magnetic heading, Compass deviation, Compass heading""The right solution, in the same order, is

Given:Magnetic heading 311°Drift angle 10° leftRelative bearing of NDB 270°What is the magnetic bearing of the NDB measured from the aircraft?

What is the final position after the following rhumb line tracks and distances have been followed from position 60°00'N 030°00'W?South for 3600 NM, East for 3600 NM, North for 3600 NM, West for 3600 NM.The final position of the aircraft is

On a polar stereographic projection chart showing the South Pole, a straight line joins position A (70°S 065°E) to position B (70°S 025°W).The true course on departure from position A is approximately

An aircraft departs from position A (04°10' S 178°22'W) and flies northward following the meridian for 2950 NM. It then flies westward along the parallel of latitude for 382 NM to position B. The coordinates of position B are?

In an Inertial Navigation System (INS), Ground Speed (GS) is calculated:

Given:Runway direction 305°(M),Surface W/V 260°(M)/30 kt. Calculate the crosswind component?