Vayudoot Aviation

1. Convert 70 metres/sec into knots.

136 knots

36 knots

54 knots

146 knots

2. On the Boeing 737-400 EFIS EHSI, on which modes is a Weather Radar Display available?

MAP, EXP VOR/ILS, EXP NAV

MAP, PLAN, FULL VOR/ILS

MAP, PLAN, EXP VOR/ILS

MAP, FULL VOR/ILS, FULL NAV

3. Pressure Altitude is 27,000 feet, OAT = -35°C, Mach No = 0.45, W/V = 270/85, Track = 200°T. What is drift and groundspeed?

17R / 287 knots

18L / 252 knots

17L / 228 knots

15R / 310 knots

4. Civil Twilight occurs between

6° and 12° below the horizon

12° and 18° below the horizon

Sunrise and sunset

Sunset and 6° below the horizon

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? (Assume N Hemisphere)

279°

049°

099°

229°

6. How many nautical miles are travelled in 1 minute 45 seconds at a groundspeed of 135 knots?

2.36

39.0

3.94

3.25

7. At 65 nm from a VOR you commence a descent from FL330 in order to arrive over the VOR at FL 100. Your mean groundspeed in the descent is 240 knots. What rate of descent is required?

1630 feet/min

1270 feet/min

1830 feet/min

1420 feet/min

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

prime meridian and the equator.

meridian of tangency

datum meridian and meridian perpendicular to it.

Equator, parallel of origin and prime vertical

9. Your radial from the SHA VOR (5243N 00853W) is 120° M. From the CRK VOR (5151N 00830W), the radial is 033° M. What is your position? - (use E(LO)1)

5240N 00821W

5230N 00800W

5320N 00800W

5220N 00821W

10. What is the radial and DME distance from CRK VOR (5151N 00830W) to position 5220N 00910W?

330M 41nm

322M 41nm

322M 39nm

330M 39nm

11. Given: True Track = 352 Variation = 11W Deviation = - 5 Drift = 10 R What is Heading (C)?

346 C

078 C

025 C

358 C

12. What is the formula for Conversion Angle?

Change of longitude / 2 × Sine mean longitude

Change of longitude × Sine latitude

Change of longitude / 2 × Sine mean latitude

Change of longitude × Cosine latitude

13. A pilot accidently turns OFF the INS in flight, and then turns it back ON a few moments later. Following this incident

it can only be used for attitude reference.

no useful information can be obtained from the INS

the INS is usable in NAV MODE after a position update

everything returns to normal and is usable

14. Which of the following indicates an advisory airspace (ADA) boundary?

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

___ . ___. ___ . ___ . ___ . ___ . _

____ ____ ____ ___ _____ ____

__________________________

15. G/S = 240 knots, Distance to go = 500 nm. What is time to go?

2 h 05 m

2 h 12 m

20 minutes

29 minutes

16. At the magnetic equator

Variation is zero

Deviation is zero

Dip is zero

The isogonal is an agonic line

17. An aircraft departs Guam ( 13N 145E) at 2300 Standard Time on 30th April local date. Flight Time to Los Angeles, California, USA (34N 118W) is 11 hours 15 minutes. What is the California Standard Time and local date of arrival? Assume Summer Time is being kept.

1215 ST 01 May

1615 ST 30 Apr

1315 ST 01 May

1715 ST 30 Apr

18. An aircraft equipped with an Inertial Navigation system (INS) flies with INS 1 coupled with autopilot 1. Both inertial navigation systems are navigating from waypoint A to B. The inertial systems’ CDU s show: XTK on INS 1 = 0 XTK on INS 2 = 8L From this information it can be deduced that

at least one of the inertial navigation systems is drifting

only inertial navigation No 1 is drifting

the autopilot is unserviceable in NAV mode

only inertial navigation No 2 is drifting

19. On a Direct Mercator chart, a rhumb line appears as a

small circle concave to the nearer pole

curve convex to the nearer pole

spiral curve

straight line

20. What is the definition of magnetic variation?

The angle between Magnetic North and True North.

The angle between the direction indicated by a compass and Magnetic North.

The angle between True North and Compass North.

The angle between Magnetic Heading and Magnetic North.

21. 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?

2700N 14300W

2700N 17318W

0000N/S 17000W

2700N 17000W

22. The heading is 299°G. Magnetic variation is 90°W and chart convergence is 55°W. What is magnetic heading?

084°M

334°M

154°M

264°M

23. An aircraft has a TAS of 300 knots and a safe endurance of 10 hours. If the wind component on the outbound leg is 50 knots head, what is the distance to the point of safe endurance?

1622 nm

1544 nm

1458 nm

1500 nm

24. In which IRS mode does gyro-compassing take place?

STANDBY

ON

ALIGN

ATT / REF

25. What is the radial and DME distance from SHA VOR (5243N 00853W) to Birr airport (5304N 00755W)?

068M 42nm

068M 40nm

060M 40nm

060M 42nm

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

240°T

230°T

215°T

235°T

27. On a triple-fit IRS system, present positions on the CDU

will not differ as the information is averaged

will only differ if one IRS has been decoupled due to a detected malfunction

will only differ if an initial input error of aircraft position has been made

are likely to differ as the information comes from different sources

28. The FMC can calculate: 1) Fuel necessary to divert round bad weather. 2) Fuel required for a missed approach, climb to altitude and fuel required to alternate. The correct combination is

1) and (2)

(2) only

Neither

(1) only

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

It is another term for UTC

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

It is the time zone system applicable only in the USA.

It is an expression for local mean time.

30. What is the weight in kilogrammes of 380 US Gallons at a Specific Gravity of 0.78?

2470

543

1123

5434

31. When and where are IRS positions updated?during all phases of flight

during all phases of flight

only on the ground during the alignment procedure

when the FMS is in IRS ONLY NAV operation

when the VHF Nav Radios are selected to AUTO

32. What rate of descent is required to maintain a 3.5° glideslope at a groundspeed of 150 knots?

600 fpm

850 fpm

875 fpm

800 fpm

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

27 kt

31 kt

34 kt

24 kt

34. An aircraft’s compass must be swung

Every maintenance inspection

After a change of theatre of operations at the same magnetic latitude.

If the aircraft has been in the hangar for a long time and has been moved several times.

If the aircraft has been subjected to hammering.

35. The agonic line

follows the geographic equator

Follows separate paths out of the North polar regions, one currently running through Western Europe and the other through the USA

is the shorter distance between the respective True and Magnetic North and South poles

is midway between the magnetic North and South poles

36. On the Polar Stereographic projection, a Great Circle appears as

a curve convex to the nearer pole

a straight line

a curve which can be concave or convex to the nearer pole, depending on the latitude

a curve which becomes more near to a straight line as the latitude increases

37. (For this question use Annex C) Complete line 5 of the ‘FLIGHT NAVIGATION LOG’, position ‘J’ to ‘K’. What is the HDG°(M) and ETA?

HDG 320° - ETA 1432 UTC

HDG 337° - ETA 1422 UTC

HDG 320° - ETA 1412 UTC

HDG 337° - ETA 1322 UTC

38. In a ring laser gyro, the purpose of the dither motor is to:Enhance the accuracy of the gyro at all rotational rates

Overcome laser lock.

Compensate for transport wander.

Stabilise the laser frequencies.

Enhance the accuracy of the gyro at all rotational rates.

39. What is the chart convergence factor on a polar stereographic chart?

0.866

1.0

0.5

40. Why are the detector units of slaved gyro compasses usually located in the aircraft wingtips?

To isolate the detector unit from the aircraft deviation sources

With one detector unit in each wingtip, compass deviations are cancelled out.

To reduce turning and acceleration errors.

To isolate the detector unit from the Earth’s magnetic field.

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

228° T

048° T

132° T

090° T

42. 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 groundspeed is required to arrive on time at B?

330 knots

360 knots

317 knots

342 knots

43. On a Polar Stereographic map, a straight line is drawn from position A (70N 102W) to position B (80N 006E). The point of highest latitude along this line occurs at longitude 035 W. What is the initial straight-line track angle from A to B, measured at A?

229°T

023°T

077°T c

049°T

44. What is a line of equal magnetic variation?

An isogonal

An isogriv

An isovar

An isocline

45. You enter the start position of an INS from a ramp at 7019.2N 13946.3W but you incorrectly enter 13946.3E instead of W. You fly to 7019.2N 180E/W without updating the INS in flight. What longitude is indicated on your INS present position display?

08027W

09933E

09933W

08027E

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

70 nm

60 nm40 nm

50 nm

40 nm

47. Convergency on a Transverse Mercator chart is correct at

the datum meridian and the Equator

the datum meridian only

the Equator and the Poles

the Parallel of Origin

48. The principle of ‘Schuler Tuning’, as applicable to INS / IRS systems, is applicable to

Gyro-stabilised systems only

Both gyro-stabilised and laser-gyro strapdown systems.

Both gyro-stabilised platform systems and laser gyro systems, but only when not in ‘strapdown’ mode.

Laser gyro ‘strapdown’ systems only

49. In an Inertial Navigation System (INS), Ground Speed (GS) is calculated:by integrating gyro precession in N/S and E/W directions respectively

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

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

by integrating measured acceleration

from TAS and W/V from RNAV data

50. What is the diameter of the Earth?

12732 km

6366 km

40000 km

21600 km

Question Bank

Questions for REVISION QUESTION 1