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Question 196-1 : The ils receiver of an aircraft on approach and flying on the right of the exact runway centreline will receive ? [ Level reports ]

More of the 150 hz localiser signal than the 90 hz localiser signal

Img /com en/com062 12691 jpg..distribution of the frequencies seen in the approach direction .. /com en/com062 15293 jpg..if the aircraft is exactly on the glidepath on the exact runway centreline it receives a balance between modulations ..if the aircraft is right of the exact runway centreline glidepath it will receive more of the 150 hz localiser signal than the 90 hz localiser signal exemple 296 More of the 150 hz localiser signal than the 90 hz localiser signal.

Question 196-2 : Ils produces ?

A radiation pattern which is amplitude modulated by a 90hz and a 150hz signal

Img /com en/com062 12691 jpg exemple 300 A radiation pattern which is amplitude modulated by a 90hz and a 150hz signal.

Question 196-3 : 108 35 mhz can only be ?

An ils frequency

Ils localiser frequencies are found in the range of 108 00 to 111 95 mhz and the first digit after the decimal point is odd . if the first digit after the decimal point is even it is a vor exemple 304 An ils frequency.

Question 196-4 : One of uses of the vdf service is providing aircraft with ?

Homing

exemple 308 Homing.

Question 196-5 : On an ils approach when flying overhead the outer marker the color of the flashing light will be ?

Blue

exemple 312 Blue.

Question 196-6 : A vor is situated at the far end of a runway on which an aircraft is making an ils approach .nav 1 is switched to the localiser frequency and nav 2 to the vor frequency .at the moment that the needle of number 1 indicator reaches the outer dot the deflection of the needle of number 2 indicator will ?

Approximately a quarter of the scale

Admin . 2595.keep in mind .each of the dots represent approximately 0 5 degrees on the ils localiser cockpit display nav1 and 2 5 degrees on the vor localiser cockpit display nav2 exemple 316 Approximately a quarter of the scale.

Question 196-7 : Two aircraft are located on arbitrary different radials but at equal distances from a vor station .which statement is true ?

At a certain moment of time the phase of the reference signals is equal and the phase of variable signals is unequal for both aircraft

Admin .two questions in the easa database look similar this one . two aircraft are located on arbitrary different radials but at equal distances from a vor station .at a certain moment of time the phase of the reference signals is equal and the phase of variable signals is unequal for both aircraft .and this one . two aircraft are located on the same radial but at arbitrary different distances from a vor station .at a certain moment of time both the phase of the reference signals and of the variable signals are equal for both aircraft exemple 320 At a certain moment of time the phase of the reference signals is equal and the phase of variable signals is unequal for both aircraft.

Question 196-8 : Two aircraft are located on the same radial but at arbitrary different distances from a vor station .which statement is true ?

At a certain moment of time both the phase of the reference signals and of the variable signals are equal for both aircraft

Admin .two questions in the easa database look similar this one . two aircraft are located on arbitrary different radials but at equal distances from a vor station .at a certain moment of time the phase of the reference signals is equal and the phase of variable signals is unequal for both aircraft .and this one . two aircraft are located on the same radial but at arbitrary different distances from a vor station .at a certain moment of time both the phase of the reference signals and of the variable signals are equal for both aircraft exemple 324 At a certain moment of time, both the phase of the reference signals and of the variable signals are equal for both aircraft.

Question 196-9 : Adf is the abbreviation for ?

Automatic direction finder

.one of the older types of radio navigation is the automatic direction finder adf or non directional beacon ndb .the adf receiver a backup system for the vhf equipment can be used when line of sight transmission becomes unreliable or when there is no vor equipment on the ground or in the aircraft .it is used as a means of identifying positions receiving low and medium frequency voice communications homing tracking and for navigation on instrument approach procedures exemple 328 Automatic direction finder.

Question 196-10 : On an ils approach when flying overhead the middle marker the color of the flashing light will be ?

Amber

exemple 332 Amber.

Question 196-11 : On an ils approach when flying overhead the inner marker if available the color of the flashing light will be ?

White

exemple 336 White.

Question 196-12 : The ils marker with the lower aural frequency is the ?

Outer marker

exemple 340 Outer marker.

Question 196-13 : 'beam bends' in the ils approach path are ?

Slight curves that can be followed by large aircraft

Admin .ils beam bends may occur because of vehicle building or aircraft interference sudden and unexpected flight control movements may occur at a very low altitude or during the landing and rollout when the autopilot attempts to follow the beam bends .beam bends can be followed by large aircraft especially near the ground during cat ii and iii approaches operation exemple 344 Slight curves that can be followed by large aircraft.

Question 196-14 : In an ils concerning the localiser principle of operation the difference in depth of modulation ddm will ?

Increase with displacement from the centerline

exemple 348 Increase with displacement from the centerline.

Question 196-15 : Concerning the glidepath principle of operation in an ils the difference in depth of modulation ddm will ?

Increase with displacement above or below the glidepath

exemple 352 Increase with displacement above or below the glidepath.

Question 196-16 : The identification of a dme in combination with a collocated vor is as follows ?

In a period of 40 seconds the dme ident will be heard once on an audio frequency of 1350 hz

Admin .when identifying a dme station co located with a vor station the identification signal with the higher tone frequency is the dme which idents approximately every 40 seconds exemple 356 In a period of 40 seconds the dme ident will be heard once on an audio frequency of 1350 hz.

Question 196-17 : An aircraft is flying on the 245 radial with a magnetic heading of 250° .on the cdi the crs is set to 060 .which cdi shows the correct indications . err a 062 477 ?

Figure d

.we are on radial 245° selected course is 060° . /com en/com062 477 jpg.the aircraft heading is irrelevant exemple 360 Figure d.

Question 196-18 : An aircraft is flying on the 170 radial with a magnetic heading of 315° .on the cdi the crs is set to 180 .which cdi shows the correct indications . err a 062 478 ?

Figure d

. /com en/com062 478 jpg.the aircraft heading is irrelevant the small black triangle shows the direction of the vor exemple 364 Figure d.

Question 196-19 : An aircraft is flying on a magnetic heading of 210° .the magnetic variation at the vor is 5°w and at the aircraft 10°w .which vor rmi corresponds to the indications on the cdi shown on the annex . err a 062 479 ?

Figure d

. /com en/com062 479 jpg.what is the magnetic bearing given by the cdi .we are 5° left of our intended radial which is qdm200° radial 020° we are on radial 025° .the pointer of figure d rmi shown a 205° magnetic bearing to the station radial 025° inbound exemple 368 Figure d.

Question 196-20 : An aircraft is flying on a magnetic heading of 010° .the magnetic variation at the vor is 10°w and at the aircraft 12°w .which vor rmi corresponds to the indications on the cdi shown on the annex . 2080 ?

Figure d

Admin . 2596.the cdi shows a selected course crs of 060° indication is to and we need to turn right to join the selected radial we do not have yet passed the vor we are currently on radial 250° exemple 372 Figure d.

Question 196-21 : An aircraft is flying on the 245° radial with a magnetic heading of 250° .on the hsi the crs is set to 060° .which hsi shows the correct indications . 2078 ?

Figure a

Admin . 2597.our aircraft is flying on the 245° radial with 'to' indication on the hsi .crs is set to 060° that means radial 240° inbound exemple 376 Figure a.

Question 196-22 : An aircraft is flying on a magnetic heading of 010° .the magnetic variation at the vor is 10°w and at the aircraft 12°w .which vor rmi corresponds to the indications on the cdi shown on the annex . err a 062 482 ?

Figure a

. /com en/com062 482 jpg. exemple 380 Figure a.

Question 196-23 : An aircraft is flying on the 050° radial with a mh of 250° .on the hsi the crs is set to 060° .which hsi shows the correct indications . 2077 ?

Figure b

Admin . 2598 exemple 384 Figure b.

Question 196-24 : An aircraft is flying on a magnetic heading of 210° .the magnetic variation at the vor is 5°w and at the aircraft 10°w .which vor rmi corresponds to the indications on the hsi shown on the annex . err a 062 484 ?

Figure b

. /com en/com062 484 jpg.the cdi shows a selected course crs of 200° indication is to and we need to turn right to join the selected radial needle deviation is at half of his maximum position 5° right of our selected course we do not have yet passed the vor we are currently on radial 025° inbound the vor our rmi shows the direction of the station 025° + 180° = 205° exemple 388 Figure b.

Question 196-25 : An aircraft is flying on a magnetic heading of 010° .the magnetic variation at the vor is 10°w and at the aircraft 12°w .which vor rmi corresponds to the indications on the hsi shown on the annex . err a 062 485 ?

Figure b

.we have already crossed the radial 240° inbound the black arrow of the hsi shows 060° this is qdm 060 radial 240° inbound ..for figure a .vor rmi needle shown the direction of the station on a magnetic heading of 050° so it can not be the correct answer ..for figure b .vor rmi needle shows the direction of the station on a magnetic heading of 070° it could be a right answer because we already have crossed the radial 250° inbound qdm 070° ..for figure c .vor rmi needle shows the direction of the station on a magnetic heading of 250° and on our hsi we have the 'to' indication meaning the station is in front of us so it's not possible ..for figure d .same as figure c ..so only one correct answer figure b ..let's have a quick look on the situation . /com en/com062 485 jpg.for training purpose please use one of the following websites ..navigation simulator..adf vor simulator..vor simulator..luizmonteiro learning vor exemple 392 Figure b.

Question 196-26 : An aircraft is flying on the 050 radial with a magnetic heading of 250° .on the cdi course deviation indicator the crs course is set to 060 .which cdi shows the correct indications . err a 062 486 ?

Figure c

. /com en/com062 486 jpg.we are on the radial 050° it means that we are on the right of radial 060° and if the aircraft's radial is on the same side of the vor as the selected course 'from' is indicated exemple 396 Figure c.

Question 196-27 : An aircraft is flying on the 170° radial with a magnetic heading of 315° .on the hsi the crs is set to 180° .which hsi shows the correct indications . 2073 ?

Figure c

Admin . 2599.we are on the radial 170° it means that we didn't yet cross the radial 180° exemple 400 Figure c.

Question 196-28 : An aircraft is flying on a magnetic heading of 010° .the magnetic variation at the vor is 10°w and at the aircraft 12°w .which vor rmi corresponds to the indications on the hsi shown on the annex . err a 062 488 ?

Figure c

. /com en/com062 488 jpg.the cdi shows a selected course crs of 060° indication is 'from' we are 5° before the radial 060° half needle deviation = 5° .we are on radial 065° opposite radial is 065° + 180° = 245° .vor rmi needle from figure c shows a station direction of 245° exemple 404 Figure c.

Question 196-29 : Locators are ?

Lf/mf ndbs used as an aid for final approach

exemple 408 Lf/mf ndbs used as an aid for final approach.

Question 196-30 : The uhf band is the assigned frequency band of the ?

Ils glide path transmitter

Admin .vor operating frequencies vhf.localiser vhf.marker beacon vhf.dme operating frequencies uhf.glide slope uhf.gnss/gps uhf.l1 and l2 frequencies used by navstar/gps uhf.ils localiser and glide slope vhf and uhf bands .microwave landing system mls shf.airborne weather radars shf.locator lf/mf exemple 412 Ils glide path transmitter.

Question 196-31 : Performing an ils approach you will fly overhead the markers in an specific order this order is ?

Om mm im if available

exemple 416 Om, mm, im (if available).

Question 196-32 : The ident of a dme in case of collocation with a vor is as follows ?

In 40 seconds the dme ident will sound once

Admin .when identifying a dme station co located with a vor station the identification signal with the higher tone frequency is the dme which idents approximately every 40 seconds 4 times in 30 seconds 10 seconds broadcast off .in a period of 40 seconds the dme ident will be heard once on an audio frequency of 1350 hz exemple 420 In 40 seconds the dme ident will sound once.

Question 196-33 : A vdf may be used ?

To provide the atc controller with bearings of aircraft in the absence of radar

.a vdf vhf direction finding provides a means of determining the aircraft bearing from a ground station with a vdf atc controller are capable of measuring the direction of arrival of radio transmissions from aircraft in the absence of radar exemple 424 To provide the atc controller with bearings of aircraft in the absence of radar.

Question 196-34 : The mls frequencies and available channels are ?

In the shf band 300 khz frequency separation giving 200 available channels

Admin .vor operating frequencies vhf.localiser vhf.marker beacon vhf.dme operating frequencies uhf.glide slope uhf.gnss/gps uhf.l1 and l2 frequencies used by navstar/gps uhf.ils localiser and glide slope vhf and uhf bands .microwave landing system mls shf.airborne weather radars shf.locator lf/mf exemple 428 In the shf band, 300 khz frequency separation giving 200 available channels.

Question 196-35 : If the angular displacement of an aircraft with respect to the localiser centerline doubles e g from 1° to 2° the measured difference in depth of modulation ?

Doubles

Admin .the difference in the modulation depth increases with displacement from the centre line .on each side of the localiser centerline the ddm increases in a linear fashion up to at least 3° on both sides of the runway exemple 432 Doubles.

Question 196-36 : Concerning the localiser principle of operation in an ils system the difference in depth of modulation ddm ?

Increases linearly with respect to the angular displacement from the centerline

.the difference in depth of both the signals will increase the further away a greater angular displacement from the centre line the aircraft is .this increase is linear .localizer top view . /com en/com062 503 jpg. exemple 436 Increases linearly with respect to the angular displacement from the centerline.

Question 196-37 : The ils marker identified visually by an blue flashing light is the ?

Outer marker

exemple 440 Outer marker.

Question 196-38 : The ils marker identified audibly by a series of two dashes per second is the ?

Outer marker

exemple 444 Outer marker.

Question 196-39 : The ils marker with an aural frequency of 400 hz is ?

Outer marker

.marker beacons modulation frequencies are .outer marker 400 hz .middle marker 1300 hz .inner marker 3000 hz exemple 448 Outer marker.

Question 196-40 : An ils marker beacon operates in the ?

Vhf band

Admin .vor operating frequencies vhf.localiser vhf.marker beacon vhf.dme operating frequencies uhf.glide slope uhf.gnss/gps uhf.l1 and l2 frequencies used by navstar/gps uhf.ils localiser and glide slope vhf and uhf bands .microwave landing system mls shf.airborne weather radars shf.locator lf/mf exemple 452 Vhf band.


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