Which one of the statements below is correct regarding the dme ? [ Question security ]

Question 181-1 : The dme operating frequencies are in the uhf frequency band two lines of position obtained from two different dme's give an unambiguous fix the indicated distance is the ground distance measured from the aircraft's projected position on the ground to the dme ground installation the dme ground station is always co located with a vor station

What actually happens in the adf receiver when the bfo position is selected ?

Question 181-2 : The bfo circuit imposes a tone onto the carrier wave to make the ndb's ident audible the bfo circuit oscillates at an increased frequency in order to allow identification of a2a ndbs the bfo circuit is de activated the bfo circuit is activated and the receiver accepts only a1a modulated signals

If a failed rmi rose is stuck on 090° and the adf pointer indicates 225° the ?

Question 181-3 : 135° impossible to read due to the rmi failure 315° 225°

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

Question 181-4 : 2 5° offset from the localiser centreline 5° offset from the localiser centreline 1 25° offset from the localiser centreline 10° offset from the localiser centreline

In order to measure the radial from a vor the aircraft vor receiver ?

Question 181-5 : Measures the phase difference between the reference phase and the variable phase of the signal measures the time difference between reception of the two signals transmitted from the ground installation uses pulse technique to determine the radial measures the time difference between sending the interrogation signal and receiving the transponder signal

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

Question 181-6 : 1 0° to the left 2 0° to the left 2 0° to the right 1 0° to the right

An ndb is on a relative bearing of 316° from an aircraft given .compass ?

Question 181-7 : 254° 252° 072° 074°

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

Question 181-8 : You should commence a go around because obstacle clearance is no longer ensured you maintain pitch until you regain the desired glide slope you may keep on flying the approach if you are on centerline there will be significant beam bends encountered

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

Question 181-9 : 135 nm 123 nm 130 nm 145 nm

An aeroplane flies over position a which is due north of a vor station sited at ?

Question 181-10 : 010° 018° 350° 342°

Full deflection on a glide slope indicator indicates that the aircraft is ?

Question 181-11 : 0 7° above or below the correct glide path 1 25° above or below the correct glide path 1 5° above or below the correct glide path 2 5° above or below the correct glide path

On what carrier frequency does the inner marker transmit ?

Question 181-12 : 75 mhz same frequency as the localizer same frequency as the glide path 3000 hz

The indicated range from a dme station is ?

Question 181-13 : Slant range ground range 0 when passing overhead the station ground range only if the beacon is co located with vor

According to icao 8168 what is regarded as the maximum safe deviation below the ?

Question 181-14 : Half scale deflection one quarter scale deflection three quarter scale deflection full scale deflection

On which of the following displays are you able to get a direct read out no ?

Question 181-15 : Moving card adf and rmi fixed card adf and rmi moving and fixed card adf fixed card adf only

What according to icao annex 10 is the range of a locator ?

Question 181-16 : 10 25 nm 25 50 nm 50 100 nm 100 300 nm

According to icao annex 10 in which frequency band s does a locator normally ?

Question 181-17 : Lf/mf mf/hf hf hf/vhf

A vor and an ndb are co located an aircraft equipped with an rmi is flying away ?

Question 181-18 : The adf needle moves the vor needle does not neither the vor or the ndb needles move both vor and adf needles move the vor needle moves the adf needle does not

Which of these markers has the highest audible frequency ?

Question 181-19 : Inner outer middle airways

A mls without dme p provides ?

Question 181-20 : An ils like approach an approach with a curved path but not staged a category 3 approach a staged approach but not with a curved path

False beams on the ils glidepath are ?

Question 181-21 : Only found above the correct glideslope only found if flying the backbeam ils approach only found if more than 10° left or right of localiser centreline only found below the correct glideslope

On an ils approach the glidepath needle is fully down how much deflection does ?

Question 181-22 : 0 7° 2 5° 10° 5°

The audio modulation of the middle marker is keyed to give ?

Question 181-23 : Alternating dots and dashes at a rate of 2 dashes per second and 6 dots per second continuous dashes at a rate of 2 per second continuous dots at a rate of 6 per second a sequence of 3 dashes 3 dots and 3 dashes every second

If you are flying a back course ils you are flying a ?

Question 181-24 : Non precision approach on the reciprocal runway of the precision approach runway non precision approach on the precision approach end of the runway precision approach on the reciprocal runway of the precision approach runway precision approach on the precision approach runway

What is a vdf referenced to ?

Question 181-25 : Magnetic north at the station magnetic north at the aircraft true north at the aircraft relative bearing to the aircraft

A locator .1 is a low powered beacon.2 is a high powered beacon.3 has a ?

Question 181-26 : 1 and 3 1 and 4 2 and 3 2 and 4

Which of the following alternatives is correct regarding audio and visual ?

Question 181-27 : Audio 1300 hz alternating dots and dashes .visual amber audio 400 hz 2 dashes per second .visual blue audio 75 mhz 2 dashes per second .visual blue audio 3000 hz alternating dots and dashes .visual amber

Concerning the localiser principle of operation in an ils the needle of the ?

Question 181-28 : Null maximum less than 90 hz more than 150 hz

Concerning the glidepath principle of operation in an ils system the needle of ?

Question 181-29 : Null maximum less than 90 hz 150 hz or 90 hz

An ils receiver ?

Question 181-30 : Measures the difference in depth of modulation of the two transmitted signals measures the phase difference between the two transmitted signals compares the difference in frequency of the two transmitted signals measures the phase rotation of the two transmitted signals

Mls is primarily being installed at airports where ?

Question 181-31 : Ils encounters difficulties because of surrounding buildings and/or the terrain or interference from local music stations meteorological conditions are likely to cause ils ducting by super refraction the main approach paths lead over water topographical conditions preclude the installation of ils marker beacons

The ils marker identified audibly by a series of dots 6 per second is the ?

Question 181-32 : Inner marker middle marker locator outer marker

With regard to the range of ndb's and the accuracy of the bearings they provide ?

Question 181-33 : The range increases and the accuracy decreases the range decreases and the accuracy increases the range and the accuracy both increase the range and the accuracy both decrease

Which statement is correct with respect to the range of an ndb ?

Question 181-34 : With propagation over sea the range will be greater than the range with propagation over land the range depends on the altitude of the aircraft during the night the range of an ndb will decrease due to the interference of the direct and earth reflected wave in order to double the range of an ndb the transmission power should be increased with a factor 16

Which statement is correct for homing towards an ndb in an area with constant ?

Question 181-35 : The relative bearing of the ndb should be kept 000° the relative bearing of the ndb should be equal in magnitude and sign to the experienced drift angle the relative bearing of the ndb should be equal in magnitude and sign to the applied wind correction angle the relative bearing of the ndb should be equal to the qdm

Which statement is correct for tracking towards an ndb in an area with constant ?

Question 181-36 : The relative bearing of the ndb should be equal in magnitude and sign to the experienced drift angle the relative bearing of the ndb should be kept 000° the relative bearing of the ndb should be equal in magnitude and sign to the applied wind correction angle the relative bearing of the ndb should be equal to the qdm

The dme line of position is a circle with radius at ?

Question 181-37 : The ground distance and centre the dme station the slant range and centre the dme station the ground distance and centre the aircraft the slant range and centre the aircraft

The localiser transmits in ?

Question 181-38 : The vhf band the uhf band the hf band both uhf and vhf bands

What is the effect of fm broadcast stations that transmit on frequencies just ?

Question 181-39 : These transmissions may interfere with the ils localizer signal which may lead to erroneous localizer deviation indication these transmissions may interfere with the ils localizer and glide path signals which may lead to erroneous deviation indications these transmissions may activate the fm immune filter which results in the appearance of the localizer failure flag these transmissions may activate the fm immune filter which results in the appearance of the localizer and glide path failure flag

What is the function of a fm immune filter ?

Question 181-40 : To make the ils localizer receiver less susceptible to interference from commercial fm stations radio and television to make both the ils localizer and glide path receiver less susceptible to interference from commercial fm stations radio and television to make the ils localizer receiver less susceptible to interference from earth reflected localizer signals to make both the ils localizer and glide path receiver less susceptible to interference from earth reflected localizer signals