The time taken for the transmission of an interrogation pulse by a distance ? [ Question security ]

Question 185-1 : 158 nm 296 nm 316 nm 186 nm

The reason why pre take off holding areas are sometimes further from the active ?

Question 185-2 : Aircraft manoeuvring near the runway may disturb guidance signals heavy precipitation may disturb guidance signals to increase distance from the runway during offset approach operations to increase aircraft separation in very reduced visibility conditions

An aircraft tracking to intercept the instrument landing system ils localiser ?

Question 185-3 : May receive false course indications only glide path information is available will receive signals without identification coding can expect signals to give correct indications

The middle marker of an instrument landing system ils facility is identified ?

Question 185-4 : Alternate dots and dashes and an amber light flashing two dashes per second and a blue light flashing dots and a white light flashing dashes and an amber light flashing

The outer marker of an instrument landing system ils facility transmits on a ?

Question 185-5 : 75 mhz and is modulated by morse at two dashes per second 200 mhz and is modulated by alternate dot/dash in morse 75 mhz and is modulated by alternate dot/dash in morse 300 mhz and is modulated by morse at two dashes per second

What approximate rate of descent is required in order to maintain a 3° glide ?

Question 185-6 : 600 ft/min 550 ft/min 800 ft/min 950 ft/min

An rmi slaved to a remote indicating compass has gone unserviceable and is ?

Question 185-7 : Radial 135° relative bearing unknown radial unknown relative bearing 225° radial unknown relative bearing 045° radial 315° relative bearing unknown

What is the colour sequence when passing over an outer middle and inner marker ?

Question 185-8 : Blue amber white amber white green white amber blue blue green white

The vor system is limited to about 1° of accuracy one degree at 200 nm ?

Question 185-9 : 3 5 nm 2 0 nm 2 5 nm 3 0 nm

An aircraft is 'homing' to a radio beacon whilst maintaining a relative bearing ?

Question 185-10 : Right drift left drift zero drift a wind from the west

In which frequency band do vor transmitters operate ?

Question 185-11 : Vhf uhf shf ehf

In which frequency band does an ils glide slope transmit ?

Question 185-12 : Uhf vhf shf ehf

Which of the following is likely to have the greatest effect on adf accuracy ?

Question 185-13 : Interference from other ndbs particularly at night frequency drift at the ground station interference from other ndbs particularly during the day mutual interference between aircraft aerials

Assuming a five dot display on either side of the cdi on the ils localiser ?

Question 185-14 : 0 5 degrees 1 5 degrees 2 5 degrees 2 0 degrees

Outer marker transmits on 75 mhz and has an aural frequency of ?

Question 185-15 : 400 hz 1300 hz 2000 hz 3000 hz

An aircraft is flying on a heading of 270° m .the vor obs is also set to ?

Question 185-16 : Nw sw se ne

An omni bearing selector obs shows full deflection to the left when within ?

Question 185-17 : 10° or more less than 10° 1 5° or more 2 5 or more

In accordance with doc 8168 a pilot flying an ndb approach must achieve a ?

Question 185-18 : +/ 5° +/ 10° +/ 2 5° +/ 2°

What approximate rate of descent is required in order to maintain a 3° ?

Question 185-19 : 450 ft/min 400 ft/min 600 ft/min 700 ft/min

Which statement below concerning mountain effect is correct ?

Question 185-20 : It may occur on ndb and vor bearings it will be compensated by the receiver it does not appear at low altitude it appears only on ndb bearing

Which one of the following is an advantage of a microwave landing system mls ?

Question 185-21 : It is insensitive to geographical site and can be installed at sites where it is not possible to use an ils it does not require a separate azimuth localiser and elevation azimuth transmitter the installation does not require to have a separate method marker beacons or dme to determine range there is no restriction on the number of ground installations that can be operated because there is an unlimited number of frequency channels available

The azimuth transmitter of a microwave landing system mls provides a fan shaped ?

Question 185-22 : + or 40° of the runway centre line + or 50° of the runway centre line + or 60° of the runway centre line + or 30° of the runway centre line

Which of the following statements concerning the variable or directional signal ?

Question 185-23 : The rotation of the variable signal at a rate of 30 times per second gives it the characteristics of a 30 hz amplitude modulation the receiver adds 30 hz to the variable signal before combining it with the reference signal the transmitter varies the amplitude of the variable signal by 30 hz each time it rotates the transmitter changes the frequency of the variable signal by 30 hz either side of the allocated frequency each time it rotates

The maximum theoretical range at which an aircraft at fl230 may receive signals ?

Question 185-24 : 187 nm 230 nm 170 nm 151 nm

When the fading damping of a radio wave is so important that no signal can be ?

Question 185-25 : Absorption diffraction refraction reflection

Where in relation to the runway is the ils localiser transmitting aerial ?

Question 185-26 : On the non approach end of the runway about 300 m from the runway on the extended centreline at the approach end of the runway about 300 m from touchdown on the centreline at the non approach end about 150 m to one side of the runway and 300 m along the extended centreline at the approach end about 150 m to one side of the runway and 300 m from touchdown

There are two ndbs one 20 nm inland and the other 50 nm inland from the coast ?

Question 185-27 : Greater from the beacon that is 50 nm inland the same from both beacons when the aircraft is on a relative bearing of 180° and 360° greater from the beacon that is 20 nm inland the same from both beacons when the aircraft is on a relative bearing of 090° and 270°

Which of the following is the icao allocated frequency band for adf receivers ?

Question 185-28 : 190 1750 khz 255 455 khz 300 3000 khz 200 2000 khz

Icao specifications are that range errors indicated by distance measuring ?

Question 185-29 : + or 0 25 nm plus 1 25% of the distance measured + or 0 5 nm or 3% of the distance measured whichever is the greater + or 1 25 nm plus 0 25% of the distance measured + or 0 25 nm plus 3% of the distance measured up to a maximum of 5 nm

In order to obtain an adf bearing on a system using sense and loop aerials the ?

Question 185-30 : Signal must be received by both the sense and loop aerials sense aerial must be tuned separately mode selector should be switched to 'loop' bfo switch must be selected to 'on'

Every 10 kt decrease in groundspeed on a 3° ils glidepath will require an ?

Question 185-31 : Decrease in the aircraft's rate of descent of 50 ft/min increase in the aircraft's rate of descent of 50 ft/min decrease in the aircraft's rate of descent of 100 ft/min increase in the aircraft's rate of descent of 100 ft/min

Mls installations notified for operation unless otherwise stated provide ?

Question 185-32 : + or 40° about the nominal courseline out to a range of 20 nm + or 20° about the nominal courseline out to a range of 20 nm + or 40° about the nominal courseline out to a range of 30 nm + or 20° about the nominal courseline out to a range of 10 nm

Instrument landing systems ils glide paths provide azimuth coverage i ° each ?

Question 185-33 : I 8 ii 10 i 25 ii 17 i 35 ii 25 i 5 ii 8

The rate of descent required to maintain a 3 25° glide slope at a groundspeed ?

Question 185-34 : 760 ft/min 850 ft/min 670 ft/min 700 ft/min

In isa conditions approximately what is the maximum theoretical range at which ?

Question 185-35 : 201 nm 245 nm 163 nm 183 nm

An aircraft is flying a 3° glidepath and experiences a reduction in ?

Question 185-36 : 150 ft/min 50 ft/min 100 ft/min 250 ft/min

The principle of operation of an ils localiser transmitter is based on two ?

Question 185-37 : I the same ii modulation frequencies i the same ii phases i different ii modulation frequencies i different ii phases

An aircraft at 6400 ft will be able to receive a vor groundstation at 100 ft ?

Question 185-38 : 110 nm 90 nm 98 nm 123 nm

An aircraft at fl 100 should be able to receive a vor groundstation at 100 ft ?

Question 185-39 : 137 nm 123 nm 130 nm 220 nm

What is the minimum level that an aircraft at a range of 113 nm must fly in ?

Question 185-40 : Fl65 fl55 fl80 fl100