Which of the following statements about the scalloping path deflection of vor ? [ Question security ]

Question 184-1 : Scalloping has a negative effect on the accuracy of navigation scalloping has a positive effect on the accuracy of navigation scalloping has no effect on the accuracy of navigation because it only results in the movement of the needle of the course deviation indicator scalloping has no effect on the accuracy of navigation because this accuracy is independent of vor or dme measurements

In flight a pilot can improve the range of his transmission with a vdf operator ?

Question 184-2 : Increasing altitude speaking louder flying out of clouds decreasing altitude

The uhf band is assigned to the .1 locator.2 localiser.3 outer marker.4 glide ?

Question 184-3 : 4 1 and 3 3 and 4 1

Tvor is a ?

Question 184-4 : Vor with a limited range used in the terminal area test vor transmitting such a signal that the reference signal and variable signal are always in phase high power vor in the frequency range 108 mhz 112 mhz low power dvor in the frequency range 112 mhz 118 mhz

An aircraft is flying a heading of 245° towards a vor at fl300 .the hsi ?

Question 184-5 : The vor will be approached along radial 070° the aircraft will pass south of the vor the aircraft will pass north of the vor the vor will be approached along radial 080°

The selection of the dme frequency for a ils/dme installation is as follows ?

Question 184-6 : The dme frequency is paired with the localizer frequency so only the localiser frequency is set the dme frequency has to be selected by the pilot the pilot has to insert the channel number and also the x or y when an ils/ dme is flown then selection of the dme has always to be done manually

Which statement is true about the use of the doppler effect in a doppler vor ?

Question 184-7 : The doppler effect is used to create a signal which is received by the aircraft's vor receiver as a frequency modulated signal the doppler effect is used to create a signal which is received by the aircraft's vor receiver as an amplitude modulated signal by using the doppler effect it is possible to determine the range of the aircraft from the vor station more accurately by using the doppler effect it is also possible to determine the aircraft's approach speed to the vor

Mls can minimise multi path errors because ?

Question 184-8 : The transmission can be interrupted to avoid reflection by stationary objects the frequency of mls is much higher than the frequency of ils mls has a larger beam width than ils the transmission reverts to circular polarization when the beam is reflected by stationary objects

The effect of masking the dme antenna of the aircraft from the ground ?

Question 184-9 : The airborne installation switching to the memory mode for about 10 to 15 seconds the ground installation not sending any pulse pairs the airborne equipment switching directly to the search mode the signal controlled search circuit scs blanking the dme display

On final on ils approach at 0 6 nm from the threshold which marker are you ?

Question 184-10 : The middle marker the inner marker if available no markers can be located at this distance the outer marker

Which statement about the interrogation by the dme interrogator is correct ?

Question 184-11 : The interrogation does not start before pulse pairs of the tuned dme station are received the interrogation starts when the interrogator has been warmed up sufficiently whether pulse pairs are received or not the interrogation can only take place if the echo protection circuit has been locked the interrogation starts directly after the correct dme frequency has been selected on the frequency selecting panel by the pilot

Regarding ils which of the following is true ?

Question 184-12 : All markers transmit at 75 mhz the localiser part of frequency band is shared with the dme the glide path transmitter is located 300m from the departure end of the runway the dme paired with ils channels are usually zero referenced next to the departure end of the runway

The frequency of an outer marker om light is 75 mhz corresponding wavelength is ?

Question 184-13 : 4 m 225 m 4000 m 2 25 m

The two signals transmitted by a conventional vor ground station are 90° out ?

Question 184-14 : East west south north

The design requirements for dme p since january 2 1989 stipulate that the total ?

Question 184-15 : 0 2 nm 0 25 nm 0 02 nm 2 nm

In isa conditions what flight level must be used when you are 117 nm away from ?

Question 184-16 : Fl80 fl65 fl55 fl120

Regarding monitoring system of the vor which statement is correct ?

Question 184-17 : Failure of the vor station to stay within the required limits can cause the removal of identification and navigation components from the carrier or radiation to cease system monitors directly the phase of the reference signal and the phase of the variable signal the monitoring system detects a change in the measured radial and the transmission power will be reduced and consequently only aircraft in the terminal area can use the vor failure of the vor stations to stay within required limits will trigger vor caution annunciator in the cockpit

The minimum airborne equipment required for operation of a vdf vhf direction ?

Question 184-18 : Vhf transmitter receiver operating in the 118 mhz to 136 mhz range cathode ray tube vhf compass operating in the 200 khz to 1750 khz range vhf receiver operating in the 118 mhz to 136 mhz range

The wavelength of a non directional beacon ndb at a frequency of 300 khz is ?

Question 184-19 : 1000 metres 100 metres 10 metres 1 metre

A dme in tracking mode subsequently experiences a reduction in signal strength ?

Question 184-20 : Memory mode signal controlled search search mode standby mode

Dme utilizes pulse pairs instead of single pulses ?

Question 184-21 : To distinguish the transmissions from transmitters of other radar systems utilizing single pulses to increase accuracy and reliability of the range measurement increase the number of aircraft which can simultaneously use the dme stations to determine dme range to be able to use a separate interrogations and reply frequencies and thus increase the number of dme stations which can transmit in the same part of the dme frequency band

The indication of from/to indicator of a vor shift from to/from and vice versa ?

Question 184-22 : 090° 045° 180° 135°

In the dme tracking mode interrogator transmits ?

Question 184-23 : A relatively low number of pulse pairs per second a high number of pulse pairs for the multipath effect a high number of pulse pairs per second to obtain accurate range measurement a low number of pulse pairs to prevent transponder overload

The ils glide path is normally intercepted between from the runway threshold ?

Question 184-24 : 3 10 nm 10 15 nm 20 30 nm 2 5 nm

What is the best position in order to minimize false indications from an adf ?

Question 184-25 : Perpendicular to the coast on a line passing by the station flying close to the surface the position does not matter with a relative bearing of 090° and 270° to the station

The accuracy of a dme ?

Question 184-26 : Decreases with increase of range increases with increase of altitude is approximately +/ 0 5 nm is approximately +/ 2 nm

A vot is ?

Question 184-27 : A test vor an experimental vor a tracking vor a terminal vor

The quoted accuracy of vor is valid ?

Question 184-28 : At all times by night only at all times except dawn and dusk by day only

When an ndb fails which kind of warning is visible in the cockpit ?

Question 184-29 : There is no warning adf is centred with the 'fail' flag showing adf needle is removed with the 'fail' flag showing the system activates a warning flashing light

The process by which em energy is taken up by the atmosphere is called ?

Question 184-30 : Absorption diffraction refraction reflection

The range of a locator beacon is much shorter than that of an ndb because ?

Question 184-31 : Locator beacons have a lower power output ndb beacons have a lower power output it is used for en route and airways navigation it uses pulse technique to determine the radial

If you are on an ils approach and in case your glide slope indicator shows a ?

Question 184-32 : You may keep on flying the approach if the glide is less than half scale deflection you should commence a go around you may keep on flying the approach if the locator confirms the correct alignment you may keep on flying the approach if the glide is less than full scale deflection

During an ils approach the maximum safe deviation below the glide path ?

Question 184-33 : 2 5 dots 1 dot 1 5 dot 2 dots

Full scale deflection of the localiser needle indicates that the aircraft is at ?

Question 184-34 : 2 5° from the runway centreline 10° from the runway centreline 1 25° from the localiser centreline 5° from the localiser centreline

A dme that has difficulty obtaining a 'lock on' . prf = pulse recurrence ?

Question 184-35 : Stays in search mode but reduces prf to 60 pps after 15000 pulse pairs have been transmitted stays in search mode but reduces prf to 60 pps after 100 seconds alternates search mode with periods of memory mode lasting 10 seconds stays in search mode with an interrogation rate of 150 pps

Each dme has its own three letter code it is issued in morse on the frequency ?

Question 184-36 : 1350 hz 1020 hz 1350 mhz 1020 mhz

The maximum numbers of pulse pairs transmitted by a dme ground station is ?

Question 184-37 : 2700 pps 5000 pps 500 pps 15000 pps

A dme ground station must be able to process up to 100 aircraft at the same ?

Question 184-38 : 95% in tracking mode and 5% in search mode 100% in search mode 100% in tracking mode 95% in search mode and 5% in tracking mode

The outer marker is located at a distance from the runway threshold of ?

Question 184-39 : 6 11 km 6 11 nm 15 20 km 15 20 nm

The information read on an adf is unreliable ?

Question 184-40 : At night because of the weakening of the d layer of the ionosphere at night because of the weakening of the e layer of the ionosphere at night because of the weakening of the f layer of the ionosphere during daytime because of the weakening of the d layer of the ionosphere