Hi [swpm_show_member_info column="first_name"], Best of luck!! /100 Created by Individual CPL Classes AIR NAVIGATION Full-length modules simulate the live session experience of the actual DGCA examinations. They have been curated to support you with your final preparation. We recommend that you attempt full-length exams after you have completed the time-oriented and open-book exam modules. 1 / 100 In an aircraft thermometer with an electrical resistance sensor to measure the air temperature, the resistance wire element is probably: potassium plutonium platinum beryllium copper 2 / 100 An aircraft is descending down a 12% slope whilst maintaining a GS of 540 kt. The rate of descent of the aircraft is approximately? 4500 FT/MIN 3900 FT/MIN 6500 FT/MIN 650 FT/MIN 3 / 100 An aircraft is required to intercept and home to a VOR along the 064 radial. The OBSshould be set to: 244 to get correct needle sense and a TO indication 244 to get correct needle sense and a FROM indication 064 to get correct needle sense and a TO indication 064 to get correct needle sense and a FROM indication 4 / 100 The sensors of an INS measure: Acceleration Velocity precession the horizontal component of the earth’s rotation 5 / 100 Given:True track 180°Drift 8°RCompass heading 195° Deviation -2°Calculate the variation? 25°W 5°W 21°W 9°W 6 / 100 Real wander of a gyro can be caused by: rotation of the earth. asymmetrical friction at the spinning axis. moving the gyro north or south of its present position. increasing the RPM of the rotor. 7 / 100 The planned departure time from the parking area is 1815 UTC The estimated take-off time is 1825 UTCThe IFR flight plan must be filed with ATC at the latest at? 1745 UTC 1755 UTC 1715 UTC 1725 UTC 8 / 100 Which of the following is correct when the variation is West? Magnetic North is West of Compass North. Compass North is West of Magnetic North. True North is East of Magnetic North. True North is West of Magnetic North. 9 / 100 Given: True Hdg = 035o, TAS = 245 kt, Track (T) = 046o, GS = 220kt. Calculate the W/V? 335/45kt 340/50 kt 340/45kt 335/55kt 10 / 100 An aircraft was over ‘Q’ at 1320 hours flying direct to ‘R’. Given: Distance ‘Q’ to ‘R’ 3016 nm, TAS 480 kt, Mean wind component ‘out’ -90kt, mean wind component ‘back’ +75 kt safe endurance 10 Hrs. The distance from ‘Q’ to the PSR is: 2370 nm 1510 nm. 2290 nm 1310 nm 11 / 100 The FMC navigational database can be accessed by the pilots to change the information to meet the sector requirements to update the database to change information between the 28 day updates to read information only 12 / 100 In a standby compass the magnet system is immersed in a transparent liquid. The purpose of this liquid is to: increase sensitivity, reduce liquid swirl. increase sensitivity, decrease aperiodicity. increase sensitivity, increase aperiodicity. increase sensitivity at high latitudes, lubricate bearings. 13 / 100 Referring to DME during the initial stage of the “search” pattern before “lock-on”: the aircraft transmits 24 pulses per second and the receiver checks a maximum of 150 pulses per second the airborne transmitter transmits 150 pulses each second the ground receiver maintains the ground transmitter pulse transmission rate at no more than 150 per second the airborne receiver checks 150 pulses each second 14 / 100 An aircraft is flying at FL350 with a JSA deviation of +8. The mach no is 0.83 and the TAS 485. If the aircraft descends to FL300 and maintains the same mach no and TAS, the JSA deviation will now be: -2 +8 -18 +2 15 / 100 The sensitivity of a direct reading compass varies: The sensitivity of a direct reading compass varies: inversely with both vertical and horizontal components of the earth’s magnetic field inversely with the vertical component of the earth’s magnetic field directly with the vertical component of the earth’s magnetic field directly with the horizontal component of the earth’s magnetic field 16 / 100 Which of the following statements concerning the position indicated on the Inertial Reference System (IRS) display is correct? It is not updated once the IRS mode is set to NAV It is constantly updated from information obtained by the FMC It is updated when ‘go-around’ is selected on take-off The positions from the two IRSs are compared to obtain a ‘best position’ which is displayed on the IRS 17 / 100 Other factors remaining constant and not limiting, how does increasing pressure altitude affect allowable takeoff mass? Allowable take-off mass remains uninfluenced up to 5000 ft pressure altitude. Allowable take-off mass increases. Allowable take-off mass decreases. There is no effect on allowable take-off mass. 18 / 100 At the flight preparation stage, the following parameters in particular are available for determining the mass of the aircraft:1 – Dry operating mass.2 – Operating mass.Which statement is correct? The operating mass is the mass of the aeroplane without take-off fuel. The dry operating mass includes take-off fuel. The operating mass includes the traffic load. The dry operating mass includes fixed equipment needed to carry out a specific flight. 19 / 100 With which conditions would one expect Vmc to be the lowest? Hot temp, high-pressure altitude, high humidity Hot temp, low-pressure altitude, high humidity Cold temp, low altitude, low humidity Cold temp, high altitude, low humidity 20 / 100 False nose-up attitude displayed on air driven artificial horizon during the take-off run is caused by: the lag of the lateral pendulous vanes incorrect rotor speed the linear acceleration cut out the high pendulosity of the rotor 21 / 100 A primary radar system has a pulse repetition frequency of 450 pps. Ignoring pulsewidth and flyback at the CRT, the maximum range of the radar would be: 360 NM 333 NM 666 NM 180 NM 22 / 100 What are, in order of highest priority followed by lowest, the two levels of message produced by the CDU of the B737-400 Electronic Flight Instrument System? Alerting and Advisory Urgent and Routine Priority and Alerting Urgent and Advisory 23 / 100 Given:TAS = 270 kt,Track (T) = 260°,W/V = 275/30kt.Calculate the HDG (°T) and GS? 262-237kt 264-237kt 264-241kt 262-241kt 24 / 100 An aircraft at latitude 10° South flies north at a GS of 890 km/HR. What will its latitude be after 1.5 HR? 12°15’N 03°50’N 22°00’N 02°00’N 25 / 100 Given: True Hdg = 145o, TAS = 240 kts, Track (T) = 150o, GS = 210 kts. Calculate the W/V? 360/35kts 180/35kts 115/35kts 295/35kts. 26 / 100 Given:TAS = 225 kt,HDG (T) = 123°,W/V = 090/60kt.Calculate the Track (°T) and GS? 128-180kt 134-178kt 134-188kt 120-190kt 27 / 100 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: 97 nm 84 nm 105 nm 115 nm 28 / 100 A pressure head is subject to the following errors: position, manoeuvre induced, temperature. position, manoeuvre induced, density. position, manoeuvre induced. position, manoeuvre induced, instrument. 29 / 100 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 1 NM 60 NM 12 NM 30 / 100 During initial alignment an inertial navigation system is north aligned by inputs from: the aircraft remote reading compass system computer matching of measured gravity magnitude to gravity magnitude of initial alignment horizontal accelerometers and the east gyro vertical accelerometers and the north gyro 31 / 100 In conditions of clear air turbulence: both types will react the same. the vertical acceleration pump will not be affected. the standard VSI is more sensitive. the IVSI is more sensitive. 32 / 100 The flight log gives the following data : True track,Drift,True heading,Magnetic variation,Magnetic heading,Compass deviation,Compass headingThe right solution, in the same order, is? 125°, 2°R, 123°, 2°W, 121°, -4°, 117° 117°, 4°L, 121°, 1°E, 122°, -3°, 119° 119°, 3°L, 122°, 2°E, 120°, +4°, 116° 33 / 100 In the ATS flight plan Item 13, in a flight plan submitted before departure, the departure time entered is the : allocated slot time estimated time over the first point en route estimated take-off time estimated off-block time 34 / 100 Given: True HDG = 002o, TAS = 130 kts, Track (T) = 353o, GS = 132 kt. Calculate the W/V? 090/20kt 090/15kt 095/20kt 095/25kt 35 / 100 When landing on a northerly heading a direct reading magnetic compass will indicate? A westerly turn. No turn. Rapidly increasing oscillations. An easterly turn. 36 / 100 The minimum number of satellites required for receiver autonomous integritymonitoring is: 3 4 5 6 37 / 100 The maximum taxi (ramp) mass is governed by: structural considerations taxi distance to take – off point tyre speed and temperature limitations bearing strength of the taxiway pavement 38 / 100 A pilot accidentally turning OFF the INS in flight, and then turns it back ON a few moments later. Following this incident: no useful information can be obtained from the INS everything returns to normal and is usable the INS is usable in NAV MODE after a position update it can only be used for attitude reference 39 / 100 A line drawn on a chart which joins all points where the value of magnetic variation is zero is called an: isogonal isotach agonic line aclinic line 40 / 100 On a Lambert Conformal Conic chart great circles that are not meridians are: curves concave to the pole of projection curves concave to the parallel of origin straight lines regardless of distance straight lines within the standard parallels 41 / 100 DME and VOR are “frequency paired” because: the same receiver can be used for both aids both ground transmitter aerials can be placed on the same site if required cockpit workload is reduced the VOR transmitter is easily converted to the required DME frequency 42 / 100 If your destination airport has no ICAO indicator, in the appropriate box of your flight plan, you write: ZZZZ AAAA XXXX //// 43 / 100 In northern hemisphere, during an acceleration in an easterly direction, the magnetic compass will indicate: an increase in heading an apparent turn to the South a heading of East a decrease in heading 44 / 100 The difference between static air temperature and total air temperature is known as: corrected outside air temperature. hot ramp radiation. the recovery factor plus the ram rise. the ram rise. 45 / 100 If the static vent becomes blocked during a climb: the VSI will indicate an increasing rate of climb. the VSI will stop at the rate of climb of the aircraft at the time of blockage. the VSI will indicate a decreasing rate of climb. the VSI will return to zero. 46 / 100 Given :True altitude 9000 FT, OAT -32°C,CAS 200 kt.What is the TAS? 215 kt 220 kt 200 kt 210 kt 47 / 100 Given:TAS = 227 kt,Track (T) = 316°,W/V = 205/15kt.Calculate the HDG (°T) and GS 310-233kt 313-235kt 312-232kt 311-230kt 48 / 100 VFE is the? The maximum speed for flaps up flight. Maximum speed at which the aircraft is permitted to fly with its flaps extended. The minimum speed for flaps up flight. Maximum speed at which the flaps can be extended or retracted. 49 / 100 Which of the following can all be stored as five letter waypoint identifiers through the CDU of a B737-400 Electronic Flight Instrument System? Waypoint names; navaid frequencies; runway codes; airport ICAO identifiers Waypoint names; navaid positions; airport ICAO identifiers; airport names Airway names; navaid identifiers; airport names; waypoint code numbers Waypoint names; navaid identifiers; runway numbers; airport ICAO identifiers 50 / 100 You are to determine the maximum fuel load which can be carried in the following conditions : – dry operating mass : 2800 kg – trip fuel : 300 kg – payload : 400 kg – maximum take-off mass : 4200 kg – maximum landing mass : 3700 kg 700 kg 500 kg 1000 kg 800 kg 51 / 100 The period of validity of the navigational database is: determined by the national authority and may be from 28 days to 91 days 28 days 91 days 1 month 52 / 100 An aircraft passes position A (60°00’N 120°00’W) on route to position B (60°00’N 140°30’W). What is the great circle track on departure from A? 279 288 261 270 53 / 100 The antenna of an Airborne Weather Radar is stabilized: in pitch and roll whether the stabilization is on or of in pitch and roll in pitch, roll and yaw in pitch and roll but only when 0° tilt has been selected 54 / 100 A revenue flight is to be made by a jet transport. The following are the aeroplane’s structural limits: Maximum Ramp Mass: 69 900 kg.Maximum Take Off Mass: 69 300 kg.Maximum Landing Mass: 58 900 kg.Maximum Zero Fuel Mass: 52 740 kg.The take-off and landing masses are not performance limited. Dry Operating Mass: 34 900 kg.Trip Fuel: 11 500 kg.Taxi Fuel: 250 kg.Contingency & final reserve fuel: 1 450 kg.Alternate Fuel: 1 350 kg.The maximum traffic load that can be carried is? 21 070 kg 17 810 kg 21 170 kg 20 420 kg 55 / 100 Which of the following statements concerning the operation of an Inertial Navigation System (INS)/Inertial Reference System (IRS) is correct? NAV mode must be selected prior to the loading of passengers and/or freight NAV mode must be selected when the alignment procedure is commenced NAV mode must be selected on the runway just prior to take-off NAV mode must be selected prior to movement of the aircraft off the gate 56 / 100 Given:GS = 95 kts, Distance from A to B = 480 NM. What is the time from A to B? 4 HR 59 MIN 5 HR 03 MIN 5 HR 08 MIN 5 HR 00 MIN 57 / 100 Which of the following statements concerning the aircraft positions indicated on a triple fit Inertial Navigation System (INS)/ Inertial Reference System (IRS) on the CDU is correct? The positions are likely to differ because they are calculated from different sources The positions will be the same because they are an average of three different positions The positions will only differ if one of the systems has been decoupled because of a detected malfunction The positions will only differ if an error has been made when inputting the present position at the departure airport 58 / 100 Given:GS = 236 kt. Distance from A to B = 354 nm. What is the time from A to B? 1 HR 40 MIN 1 HR 30 MIN 1 HR 09 MIN 1 HR 10 MIN 59 / 100 Which of the following is not an advantage of a slotted antenna (phase array)? Directivity Improved resolution Reduced side lobes Reduced power 60 / 100 The transponder code for Hijacking is; 7000 7700 7500 1100 61 / 100 The QNH is by definition the value of the? Atmospheric pressure at the sea level of the location for which it is given. Atmospheric pressure at the level of the ground over flown by the aircraft. Altimeter setting so that the needles of the altimeter indicate the altitude of the location for which it is given. Altimeter setting so that the needles indicate zero when the aircraft is on ground at the location for which it is provided. 62 / 100 To improve the horizontality of a compass, the magnet assembly is suspended from a point: below the centre of gravity. varying with magnetic latitude. on the centre line of the magnet. above the centre of gravity. 63 / 100 When turning through 270° at constant AOB and pitch attitude, what will a classic artificial horizon indicate? Too little nose up and too much bank angle. Too little nose up and too little bank angle Too much nose up and too little bank angle Too much nose up and too much bank angle. 64 / 100 In the ATS flight plan, for a non-scheduled flight which of the following letters schould be entered in Item 8 (Type of Flight) : G N X N/S 65 / 100 When descending below the tropopause under normal conditions (increasing temperature) at a constant CAS: the TAS will increase and the mach number will decrease. both TAS and mach number will decrease. the TAS will decrease and the mach number will increase. both TAS and mach number will increase 66 / 100 The distance measured between two points on a navigation map is 42 mm (millimetres). The scale of the chart is 1:1 600 000.The actual distance between these two point is approximately? 67.20 NM 36.30 NM 370.00 NM 3.69 NM 67 / 100 Aircraft air temperature thermometers are shielded to protect them from: accidental physical damage on the ground or hailstones in flight. solar radiation. airframe icing. kinetic heating. 68 / 100 The indication at Figure shows: 30° starboard bank, nose up. 30° port bank, nose below horizon. nose-up and left wing down a climbing turn to the right. 69 / 100 The heading information originating from the gyro-magnetic compass flux valve is sent to: erector system amplifier heading indicator error detector 70 / 100 Standard masses may be used for the computation of mass values for baggage if the aeroplane is carrying 30 or more passengers. has 20 or more seats. has 6 or more seats. has 30 or more seats. 71 / 100 Given:A polar stereographic chart whose grid is aligned with the zero meridian. Grid track 344°,Longitude 115°00’W,Calculate the true course? 229° 049° 279° 099° 72 / 100 During the take-off run an air driven artificial horizon will usually indicate: a false climbing turn to the left. a false descending turn to the right. nose up and incorrect left bank. increased nose up attitude and right wing low. 73 / 100 The purpose of the vibrating device of an altimeter is to? Allow damping of the measurement in the unit. Inform the crew of a failure of the instrument Reduce the hysteresis effect. Reduce the effect of friction in the linkages. 74 / 100 The TCAS (Traffic Collision Avoidance System) gives avoidance resolutions? In the horizontal plane In horizontal and vertical planes Based on speed control only In the vertical plane only 75 / 100 An electrically driven artificial horizon has less errors during the take-off run because: it is less aperiodic than the air driven types it is less pendulous, has a higher rotor speed and a linear acceleration cut out the mercury level switches are more sensitive than the pendulous vanes fitted to air driven types the roll cut-out speed is activated 76 / 100 The OBS on a deviation indicator is set to 330° and gives a 3 dots fly right demandwith FROM indicated. What is the QDM of the aircraft to the station? 324 156 144 336 77 / 100 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? beam lock zero drop cavity rotation Dither 78 / 100 The IRS position can be updated: at designated positions en route and on the ground on the ground only on the ground and overhead VOR/DME at selected waypoints and on the ground 79 / 100 The phase of the reference wave is 110° as the phase of the variable wave is 315°.What is the phase difference? 025° 335° 155° 205° 80 / 100 Given:GS = 120 kts, Distance from A to B = 84 nm. What is the time from A to B? 00 HR 42 MIN 00 HR 45 MIN 00 HR 43 MIN 00 HR 44 MIN 81 / 100 Given AD = Air distance GD= Ground distance TAS = True Airspeed GS = Ground speed. Which of the following is the correct formula to calculate ground distance (GD) gone? GD = (AD – TAS)/TAS GD = AD X (GS-TAS)/GS GD = (AD XGS)/TAS GD = TAS/(GS X AD) 82 / 100 The amber ALERT light on an INS control and display unit: start flashing 2 minutes before reaching the next waypoint and goes out at 30 seconds to run. illuminates if power from the aircraft bus bar has been lost and the system is operating on standby battery. illuminates steadily after passing a waypoint in manual mode, until the next leg is programmed in. illuminates steadily 2 minutes, in AUTO mode, before reaching the next waypoint. 83 / 100 An aircraft is attempting to home to a VOR beacon. The pilot has set 329 on theOBS of the deviation indicator. If the aircraft is situated on the 152 radial then thedeviation indicator will show: one and a half dots fly right three dots fly right one and a half dots fly left three dots fly lef 84 / 100 The gyro in a rate of turn indicator has (i) _______________ operating speed than the gyros used in other instruments because (ii)______________-. (i) a higher (ii) a low precession rate gives a greater operating range (i) variable (ii) more than one rate of turn is desired (i) lower (ii) a high rigidity is not required (i) the same (ii) it uses the property of rigidity 85 / 100 An aircraft at latitude 02°20’N tracks 180°(T) for 685 km. On completion of the flight the latitude will be? 04°30’S 04°10’S 03°50’S 09°05’S 86 / 100 Which of the following statements is correct concerning the effect of turning errors on a direct reading compass? Turning errors are greatest on east/west headings, and are greatest at high latitudes Turning errors are greatest on north/south headings, and are least at high latitudes Turning errors are greatest on east/west headings, and are least at high latitudes Turning errors are greatest on north/south headings, and are greatest at high latitudes 87 / 100 How is the direct reading magnetic compass made Aperiodic or dead beat? Using the lowest possible viscosity liquid in the compass. Using a pendulous suspension system for the magnetic assembly. Using short magnets. Positioning the magnetic assembly mass close to the compass point and using damping wires. 88 / 100 Distance ‘Q’ to ‘R’ 1760 NM, GS out 435 kt, GS back 385 kt, Safe endurance 9HR, the distance from ‘Q’ to the PSR is: 1467 NM 1317 NM 1838 NM 1642 NM 89 / 100 Given:TAS = 290 kt,True HDG = 171°,W/V = 310°(T)/30ktCalculate the drift angle and GS? 4°R-310kt 4°R-314kt 4°L-314kt 4°L-310kt 90 / 100 The purpose of the Flight Management System (FMS), as for example installed in the B737-400, is to provide: manual navigation guidance and automatic performance management continuous automatic navigation guidance and performance management continuous automatic navigation guidance as well as manual performance management both manual navigation guidance and performance management 91 / 100 Given:TAS = 190 kt,True HDG = 085°,W/V = 110°(T)/50kt.Calculate the drift angle and GS? 4°L-145kt 7°L-156kt 8°L-146kt 4°L-168kt 92 / 100 If the pitot line to an ASI becomes totally blocked during a climb, the ASI reading will: increase, no matter what the actual airspeed is. stick at the airspeed showing at the moment of blockage. decrease, no matter what the actual airspeed is. progressively under indicate the value of the airspeed. 93 / 100 Given:TAS = 155 kt,Track (T) = 305°,W/V = 160/18kt.Calculate the HDG (°T) and GS? 301-169kt 309-170kt 309-141kt 305-169kt 94 / 100 Which is true of the aeroplane empty mass? It is dry operating mass minus fuel load. It is a component of DOM It is dry operating mass minus traffic load. It is the actual take-off mass, less traffic load. 95 / 100 Turbulent flow around a pressure head will cause: an increase in the dynamic pressure. density error. 95% of pressure error. 95% increase in manoeuvre induced error. 96 / 100 In an ATS flight plan, Item 15 (route), a cruising pressure altitude of 32000 feet would be entered as : 32000 FL320 F320 S3200 97 / 100 Which positions can be input to the FMC using a maximum of 5 alphanumerics? Navigation facilities, reporting points and airways designators Latitude and longitude, reporting points and airways designators SIDS & STARS and latitude and longitude SIDS & STARS, reporting points and airways designators 98 / 100 The value of magnetic variation Varies between a max of 45E and 45W Must be 0 at magnetic equator Cannot exceed 90 Has a maximum of 180o 99 / 100 The magnitude of the error in position lines derived from ADF bearings that areaffected by coastal refraction may be reduced by: choosing beacons on or near the coast choosing N0NA2A beacons selecting beacons situated well inland only using beacons within the designated operational coverage 100 / 100 What is density altitude? True altitude. True altitude corrected for density changes. Pressure altitude corrected for ambient temperature. Pressure altitude corrected for density changes. Your score is LinkedIn Facebook Twitter 0% Restart quiz
