Discover our new portal: your complete exam preparation, enhanced by AI
Login Start Now
Mobile menu MENU
fallback
EN angle-down

Exam simulation Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license

Exam simulation ATPL Aircraft General Knowledge - Instrumentation 120 questions on 120 minutes

Change Subject New Test
1 - The spin axis of the turn indicator gyroscope is parallel to the:
2 - VNO is the maximum speed:
3 - The operating frequency range of a low altitude radio altimeter is:
4 - A vibration indicator receives a signal from different sensors (accelerometers). It indicates the:
5 - The principle of the Schuler pendulum is used in the design of a:
6 - The indication of a fuel float gauge varies with: 1 - pitch attitude 2 - accelerations 3 - fuel temperature. The combination that regroups all of the correct statements is:
7 - The unit used to measure the capacitance of a capacitor is the:
8 - If, in the event of a failure, there is no significant out-of-trim condition or deviation of flight path or attitude but the landing is not completed automatically, such an automatic landing system is considered as:
9 - If the outside temperature at 35 000 feet is -40°C, the local speed of sound is:
10 - If, in the event of a failure, the approach, flare and landing can be completed by the remaining part of the automatic system, such an automatic landing system is considered as:
11 - The radio altimeter is required to indicate zero height AGL as the main wheels touch down on the runway. For this reason, it is necessary to:
12 - After having programmed your flight director, you see that the indications of your ADI (Attitude Director Indicator) are as represented in diagram N°1 of the appended annex. On this instrument, the command bars indicate that you must:
question inst4.webp
13 - When flying in cold air (colder than standard atmosphere), the altimeter will:
14 - The Ground Proximity Warning System (GPWS) is a system working according to a height span ranging from:
15 - During a climb, the total pressure probe of the airspeed indicator becomes blocked: If the pilot maintains a constant indicated airspeed, the true airspeed:
16 - A pilot wishes to turn right on to a southerly heading with 20° bank at a latitude of 20° North. Using a direct reading compass, in order to achieve this he must stop the turn on an approximate heading of:
17 - An aircraft in the northern hemisphere makes an accurate rate one turn to the right. If the initial heading was 330°, after 30 seconds of the turn the direct reading magnetic compass should read:
18 - If the GPWS (Ground Proximity Warning System) activates, and alerts the pilot with an aural warning 'DON'T SINK' (twice), it is because:
19 - Magnetic compass errors are:
20 - With EAS and pressure altitude (Zp), we can deduce:
21 - The speed of sound at the sea level in standard atmosphere is:
22 - The properties of a gyroscope are: 1 - rigidity in space 2 - rigidity on earth 3 - precession 4 - Schuler oscillations. The combination regrouping all the correct statements is:
23 - The principle of the TCAS (Traffic Collision Avoidance Systems) is based on the use of:
24 - The Decision Height (DH) warning light comes on when an aircraft:
25 - Modern low altitude radio altimeters emit waves in the following frequency band:
26 - Given: Pt: total pressure, Ps: static pressure, Pd: dynamic pressure. The altimeter is fed by:
27 - Regarding the operating system used for an on-board documentation (charts and company information):
28 - The sequence of the automatic landing comprises several phases (from final approach to touch-down) actuated by:
29 - When flying in warm air (warmer than standard atmosphere), indicated altitude is:
30 - When the intruding aircraft is equipped with a transponder without altitude reporting capability, the TCAS (Traffic Collision Avoidance System) issues a:
31 - The data supplied by a radio altimeter:
32 - For the same TAS, when pressure altitude increases below the tropopause:
33 - During the ground run take-off phase, the auto-throttles allow to:
34 - Given: Zp = pressure altitude Zd = density altitudeTAS can be obtained from the following data:
35 - The deviation of the magnetic compass is due to the action of:
36 - When flying in cold air (colder than standard atmosphere), indicated altitude is:
37 - In the directional gyro the detection system of the local vertical feeds:
38 - A TCAS II (Traffic Collision Avoidance System) provides:
39 - The purpose of the vibrating device of an altimeter is to:
40 - A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:
41 - The probe used to measure the air intake pressure of a gas turbine engine powerplant is:
42 - In an auto-pilot slaved powered control circuit, the system which ensures synchronisation:
43 - An aircraft is flying at an indicated altitude of 16.000 ft. The outside air temperature is -30°C. What is the true altitude of the aircraft?
44 - At a given altitude, the hysteresis error of an altimeter varies substantially with the:
45 - During deceleration following a landing in an easterly direction, a magnetic compass made for the northern hemisphere indicates:
46 - During a deceleration phase at constant attitude, the control system of the artificial horizon results in the horizon bar indicating a
47 - The aircraft radio equipment which emits on a frequency of 4400 MHz is the:
48 - The pressure altitude is the altitude corresponding:
49 - Due to its conception, the altimeter measures a:
50 - The response time of a vertical speed detector may be decreased by adding a:
51 - During a final approach, the flight director system is engaged in the LOC mode (holding of localizer axis). The position of the vertical command bar indicates:
52 - The Primary Flight Display (PFD) displays information dedicated to:
53 - A three-phase electrical tachometer consists of:
54 - TCAS II (Traffic Collision Avoidance System) uses for its operation:
55 - During deceleration following a landing in a southerly direction, a magnetic compass made for the northern hemisphere indicates:
56 - The TCAS II (Traffic Collision Avoidance System) gives avoidance resolutions:
57 - The FMS Overfly function consists in:
58 - If the static source of an altimeter becomes blocked during a descent the instrument will:
59 - A synchroscope is used on aircraft to:
60 - An aeroplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
61 - When engaged in the lateral navigation mode (LNAV) the autopilot uses:
62 - An inertial reference and navigation system is a "strapdown" system when:
63 - An autopilot system:
64 - A pilot wishes to turn right through 90° on to North at rate 2 at latitude of 40 North using a direct reading compass. In order to achieve this the turn should be stopped on an indicated heading of approximately:
65 - During the approach, a crew reads on the radio altimeter the value of 650 ft. This is an indication of the true:
66 - The principle of a laser gyro is based on:
67 - During deceleration following a landing in an easterly direction, a magnetic compass made for the southern hemisphere indicates:
68 - If OAT increases when at a constant TAS:
69 - VNE is the maximum speed:
70 - A laser gyro consists of:
71 - The measurement of the turbine temperature or of the EGT is carried out at the:
72 - Lights indicating the possible need for future corrective action must be:
73 - To be as accurate as possible, an anemometer must be calibrated according to the following formula:
74 - A VMO-MMO warning device consists of an alarm connected to:
75 - If an aircraft maintaining a constant CAS and flight level is flying from a cold air mass into warmer air:
76 - The airspeed indicator of a twin-engine aircraft comprises different sectors and colour marks. The blue line corresponds to the:
77 - In computer technology, an EPROM: 1) is a read-only memory 2) is a write memory 3) erases its content when power supply is cut off 4) keeps its content when power supply is cut off. The combination re-grouping all the correct statements is:
78 - Maintaining CAS and flight level constant, a fall in ambient temperature results in:
79 - A directional gyro consists of a: NB: the degree(s) of freedom of a gyro does not take into account its rotor spin axis.
80 - In case of accidental closing of an aircraft's left static pressure port (rain, birds), the altimeter:
81 - The velocity maximum operating (VMO) is a speed expressed in:
82 - An air data computer 1. supplies the ground speed and the drift (angle) 2. determines the total temperature and the true altitude 3. receives the static pressure and the total pressure 4. supplies the true airspeed to the inertial unit 5. determines the Mach number, the outside (static) air temperature. The combination regrouping all the correct statements is:
83 - The elements which take part in the local vertical alignment of an inertial strap-down unit are:
84 - The QNH is by definition the value of the:
85 - The apparent wander of a directional gyro is 15°/h:
86 - The 'Bourdon tube' is used to measure:
87 - In the northern hemisphere, during a take-off run in a westerly direction, a direct reading magnetic compass indicates:
88 - Your aircraft and an intruding traffic are both TCAS II equipped. Your TCAS can generate:
89 - The principle of capacity gauges is based on the:
90 - At 50 feet AGL during an auto-land, what happens to the glideslope signal?
91 - When climbing at a constant CAS in a standard atmosphere:
92 - Concerning the TCAS (Traffic Collision Avoidance System):
93 - The gauge indicating the quantity of fuel measured by a capacity gauging system can be graduated directly in weight units because the dielectric constant of fuel is:
94 - If the static source to an altimeter becomes blocked during a climb, the instrument will:
95 - When an aircraft has turned 360 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
96 - In a directional gyro, gimballing errors are due to:
97 - In the northern hemisphere, during the take-off run in an easterly direction, a direct reading magnetic compass indicates:
98 - Hard iron magnetism in aircraft may be caused by:
99 - Below the tropopause, when descending at constant CAS:
100 - In the event of a conflict, the TCAS II (Traffic Collision alert and Avoidance System) presents warnings to the crew such as:
101 - Indication of Mach number is obtained from:
102 - While inertial platform system is operating on board an aircraft, it is necessary to use a device with the following characteristics, in order to keep the vertical line with a pendulous system:
103 - The yaw damper system sends a motion order to the rudder if the yawing rate of the aircraft:
104 - Given: Mach number M = 0.70, measured impact temperature = - 48 °C, the recovery factor (Kr) of the temperature probe = 0.85. The OAT is:
105 - In the absence of position and instrument errors:
106 - The command bars of a flight director:
107 - The rate-of-turn is the:
108 - The operation of the GPWS (Ground Proximity Warning System) is governed by laws taking the aircraft height into account as well as: 1 - the descent rate 2 - the climb rate 3 - the aircraft configuration 4 - the selected engine rpm. The combination regrouping all the correct statements is:
109 - The two main sources of information used to calculate turbojet thrust are the:
110 - On a TCAS II (Traffic Collision Avoidance System) the preventive 'resolution advisory' (RA) is a 'resolution advisory':
111 - If an aircraft is flying (with flaps and landing gear retracted) in proximity to terrain and its GPWS (Ground Proximity Warning System) gets activated, because it is detecting that the aeroplane has an excessive rate of descent, the system provides the following aural warning signals:
112 - The TCAS II has inputs from the radio altimeter in order to:
113 - The gyroscope used in an attitude indicator has a spin axis which is:
114 - The Ground Proximity Warning System (GPWS) generates the following sound signal or signals when the aircraft is sinking after a take-off or a go-around:
115 - The fields affecting a magnetic compass originate from: 1. magnetic masses 2. ferrous metal masses 3. non ferrous metal masses 4. electrical currents. The combination regrouping all the correct statements is:
116 - The pendulum type detector system of the directional gyro feeds:
117 - When an aircraft has turned 90 degrees with a constant attitude and bank, the pilot observes the following on a classic artificial horizon:
118 - The altimeter of your aircraft indicates 11000 ft with a subscale-setting of 1013,25 mb. QNH is 1023 hPa. OAT is +3°C. The pressure altitude of the aircraft is:
119 - The purpose of an aeroplane automatic trim system is to trim out the hinge moment of the:
120 - During deceleration following a landing in a westerly direction, a magnetic compass made for the southern hemisphere indicates:
PRO
★★★★★ 4,7/5
Quizvds PRO
All Questions Included
Start Now
Subscribe to Newsletter
Sign up, it's free
Download mobile apps
Download mobile apps
© 2026 EGWeb di Guatta Mattia - VAT: 04768540983