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Question Bank
Questions for REVISION QUESTION 1
Answer the following questions
Test Mode
Training Mode
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
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