The audio frequency modulation of the outer marker shall be keyed as follows ?
Multiple > protocol
Which statement is correct with respect to the different types of VOR ?
The ILS receiver of an aircraft on approach and flying on the right of the exact runway centreline will receive ?
Ils produces A radiation pattern which amplitude modulated a 9 hz a 5 hz signal. Img /com_en/com062 12691 jpg. 
108 35 mhz can only be A radiation pattern which amplitude modulated a 9 hz a 5 hz signal. Ils localiser frequencies are found in range of 108 00 to 111 95 mhz the first digit after decimal point odd (if first digit after decimal point even it a vor). 
One of uses of vdf service providing aircraft with A radiation pattern which amplitude modulated a 9 hz a 5 hz signal. Ils localiser frequencies are found in range of 108 00 to 111 95 mhz the first digit after decimal point odd (if first digit after decimal point even it a vor). 
On an ils approach when flying overhead outer marker color of flashing light will be A radiation pattern which amplitude modulated a 9 hz a 5 hz signal. Ils localiser frequencies are found in range of 108 00 to 111 95 mhz the first digit after decimal point odd (if first digit after decimal point even it a vor). Question 179-8
A vor situated at far end of a runway on which an aircraft making an ils approach nav 1 switched to localiser frequency and nav 2 to vor frequency at moment that needle of number 1 indicator reaches outer dot deflection of needle of number 2 indicator will be at Approximately a quarter of scale. keep in mind each of dots represent approximately 0 5 degrees on ils localiser cockpit display (nav1) 2 5 degrees on vor localiser cockpit display (nav2). Question 179-9
Two aircraft are located on arbitrary different radials but at equal distances from a vor station which statement true At a certain moment of time phase of reference signals equal the phase of variable signals unequal both aircraft. two questions in 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 phase of reference signals equal the phase of variable signals unequal both aircraft and this one two aircraft are located on same radial but at (arbitrary) different distances from a vor station at a certain moment of time both phase of reference signals of variable signals are equal both aircraft. Question 179-10
Two aircraft are located on same radial but at arbitrary different distances from a vor station which statement true At a certain moment of time both phase of reference signals of variable signals are equal both aircraft. two questions in 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 phase of reference signals equal the phase of variable signals unequal both aircraft and this one two aircraft are located on same radial but at (arbitrary) different distances from a vor station at a certain moment of time both phase of reference signals of variable signals are equal both aircraft. Question 179-11
Adf the abbreviation Automatic direction finder. one of older types of radio navigation the automatic direction finder (adf) or non directional beacon (ndb) the adf receiver a 'backup' system the vhf equipment can be used when line of sight transmission becomes unreliable or when there no vor equipment on ground or in aircraft it used as a means of identifying positions receiving low medium frequency voice communications homing tracking for navigation on instrument approach procedures. Question 179-12
On an ils approach when flying overhead middle marker color of flashing light will be Automatic direction finder. one of older types of radio navigation the automatic direction finder (adf) or non directional beacon (ndb) the adf receiver a 'backup' system the vhf equipment can be used when line of sight transmission becomes unreliable or when there no vor equipment on ground or in aircraft it used as a means of identifying positions receiving low medium frequency voice communications homing tracking for navigation on instrument approach procedures. Question 179-13
On an ils approach when flying overhead inner marker if available color of flashing light will be Automatic direction finder. one of older types of radio navigation the automatic direction finder (adf) or non directional beacon (ndb) the adf receiver a 'backup' system the vhf equipment can be used when line of sight transmission becomes unreliable or when there no vor equipment on ground or in aircraft it used as a means of identifying positions receiving low medium frequency voice communications homing tracking for navigation on instrument approach procedures. Question 179-14
The ils marker with lower aural frequency the Automatic direction finder. one of older types of radio navigation the automatic direction finder (adf) or non directional beacon (ndb) the adf receiver a 'backup' system the vhf equipment can be used when line of sight transmission becomes unreliable or when there no vor equipment on ground or in aircraft it used as a means of identifying positions receiving low medium frequency voice communications homing tracking for navigation on instrument approach procedures. Question 179-15
'beam bend in ils approach path are Slight curves that can be followed large aircraft. ils beam bends may occur because of vehicle building or aircraft interference sudden unexpected flight control movements may occur at a very low altitude or during landing rollout when autopilot attempts to follow beam bends beam bends can be followed large aircraft especially near ground during cat ii iii approaches operation. Question 179-16
In an ils concerning localiser principle of operation difference in depth of modulation ddm will Increase with displacement from centerline. ils beam bends may occur because of vehicle building or aircraft interference sudden unexpected flight control movements may occur at a very low altitude or during landing rollout when autopilot attempts to follow beam bends beam bends can be followed large aircraft especially near ground during cat ii iii approaches operation. Question 179-17
Concerning glidepath principle of operation in an ils difference in depth of modulation ddm will Increase with displacement above or below glidepath. ils beam bends may occur because of vehicle building or aircraft interference sudden unexpected flight control movements may occur at a very low altitude or during landing rollout when autopilot attempts to follow beam bends beam bends can be followed large aircraft especially near ground during cat ii iii approaches operation. Question 179-18
The identification of a dme in combination with a collocated vor as follows In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. when identifying a dme station co located with a vor station identification signal with higher tone frequency the dme which idents approximately every 40 seconds. Question 179-19
An aircraft flying on 245 radial with a magnetic heading of 250° on cdi crs set to 060 which cdi shows correct indications err _a_062 477 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. we are on radial 245° selected course 060° img /com_en/com062 477 jpg the aircraft heading irrelevant. Question 179-20
An aircraft flying on 170 radial with a magnetic heading of 315° on cdi crs set to 180 which cdi shows correct indications err _a_062 478 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. img /com_en/com062 478 jpg the aircraft heading irrelevant the small black triangle shows direction of vor. Question 179-21
An aircraft flying on a magnetic heading of 210° the magnetic variation at vor 5°w and at aircraft 10°w which vor rmi corresponds to indications on cdi shown on annex err _a_062 479 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. img /com_en/com062 479 jpg what the magnetic bearing given the cdi? we are 5° left of our intended radial which qdm200° radial 020° (we are on radial 025°) the pointer of figure d rmi shown a 205° magnetic bearing to station (radial 025° inbound). Question 179-22
An aircraft flying on a magnetic heading of 010° the magnetic variation at vor 10°w and at aircraft 12°w which vor rmi corresponds to indications on cdi shown on annex 2080 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. the cdi shows a selected course (crs) of 060° indication to we need to turn right to join selected radial we do not have yet passed vor we are currently on radial 250°. Question 179-23
An aircraft flying on 245° radial with a magnetic heading of 250° on hsi crs set to 060° which hsi shows correct indications 2078 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. our aircraft flying on 245° radial with 'to' indication on hsi crs set to 060° that means radial 240° inbound. Question 179-24
An aircraft flying on a magnetic heading of 010° the magnetic variation at vor 10°w and at aircraft 12°w which vor rmi corresponds to indications on cdi shown on annex err _a_062 482 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. img /com_en/com062 482 jpg . Question 179-25
An aircraft flying on 050° radial with a mh of 250° on hsi crs set to 060° which hsi shows correct indications 2077 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. . Question 179-26
An aircraft flying on a magnetic heading of 210° the magnetic variation at vor 5°w and at aircraft 10°w which vor rmi corresponds to indications on hsi shown on annex err _a_062 484 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. img /com_en/com062 484 jpg the cdi shows a selected course (crs) of 200° indication to we need to turn right to join selected radial needle deviation at half of his maximum position (5° right of our selected course) we do not have yet passed vor we are currently on radial 025° inbound vor our rmi shows direction of station 025° + 180° = 205°. Question 179-27
An aircraft flying on a magnetic heading of 010° the magnetic variation at vor 10°w and at aircraft 12°w which vor rmi corresponds to indications on hsi shown on annex err _a_062 485 In a period of 4 seconds dme ident will be heard once on an audio frequency of 35 hz. we have already crossed radial 240° inbound (the black arrow of hsi shows 060° this qdm 060 radial 240° inbound) for figure a vor rmi needle shown direction of station on a magnetic heading of 050° so it can not be correct answer for figure b vor rmi needle shows direction of station on a magnetic heading of 070° it could be a right answer because we already have crossed radial 250° inbound (qdm 070°) for figure c vor rmi needle shows direction of station on a magnetic heading of 250° on our hsi we have 'to' indication meaning station 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 situation img /com_en/com062 485 jpg for training purpose please use one of following websites navigation simulator
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