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37 Cards in this Set
- Front
- Back
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The maximum theoretical range atwhich an aircraft at fl80 can obtain bearings from a ground VDF facility 325ft above MSL 107NM 158NM 134NM 114NM |
134NM |
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Maximum theoretical range at which an aircraft at FL130 could receive information from a VDF which is sited 1024ft above MSL 180NM 220NM 120NM 160NM |
180nm |
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What is the minimum level that an aircraft at a range of 113nm, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 169ft above msl FL50 FL80 FL100 FL60 |
FL60 |
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An aircraft travelling at 330 m a second transmits at signal at 10 gigahertz to stationery receiver if the aircraft is flying to weekly towards the receiver they are approx me at the same height there receiver frequency will be 11MHz 10,000011 GHZ 999989GHZ 11GHZ |
10000011 GHZ |
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Ground DME responders respond at a frequency Same as interrogation signal 63 mhz grader than " 63 mhz lower than " 63 mhz different from " |
63 mhz grader |
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The phase difference between the reference and variable signals on QDM 050 (VAR 10°W) for a conventional VOR is 050° 040 230 220 |
C.230° |
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A half wave dipole aerial suitable for transmitting an RF signal at 18 MHZ should have an effective length of 16,67 metres 166,67metres 83,33 metres 8,33 metres |
8,33 m |
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At a height of 5000 ft you might expect to receive a vhf signal from a transmitter at sea level and you are receiving a good signal, at a range of 88.4nm 88.4km 70.7nm 200km |
88.4nm |
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A frequency of 2400 KHZ I'd equivalent to a wavelength of 125m 105m 0.80cm 8m |
125m |
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The accuracy of adf within th doc by day is +/- 1 deg " 2 " " 5 " " 10 " |
+/- 5 deg |
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What is the average wavelength of an NDB Transmitting on 375 KHZ 8m 8000m 800m 80m |
800m |
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The normal maximum range of an NDB with a transmitter power of 200 watts is 50-60 nm 100-120 nm 150-170 nm 200-220 nm |
50-60 nm |
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The allocated coverage of NDBs is 250-450khz 190-1750khz 108-117.95mhz 200-500khz |
190-1750 |
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The frequency range of a VOR receiver is 108 to 117.95 108 to111.95 118 to 135.95 108 to 135.95 |
108 to 117.95 |
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What is the maximum range that an aircraft at fl150 can receive signals from a VOR situated 609 feet above msl 156 nm 220 nm 147 nm 184 nm |
184 nm |
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Using 5 dot cdi, How many dots would show for aircraft on the edge of an airway at 100nm from the VOR beacon 5 2.5 1.5 3
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1.5 |
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A frequency most suitable for a terminal VOR would be 108.20 108.15 108.10 118.05 |
108.20 |
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What is the maximum distance apart VOR and TACAN can be located and have the time Identification 2000m 60m 600m 6m |
600m |
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A dme is located Msl an aircraft passing vertically above the station at FL360 will obtain a DME range of approximately 11nm 7nm 6nm 8nm |
6nm |
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A dme station is located 1000ft above msl. An aircraft flying at fl370 15nm away from the dme station will have a dme reading of 17nm 16nm 14nm 15nm |
16nm |
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1 in 60 rule calculate the height on a 3 degree glide path of an aircraft 4.5nm from touchdown 1480 1420 1370 1230 |
1370 |
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Aprox rate of decent 3 degree glideslope 120knots 550ft/min 600 800 950 |
600 |
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The coverage of MLS is .............. either side of the centreline to a distance of ......... 40 deg: 40 nm 40 20 20 20 20 40 |
40 deg: 20nm |
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MLS Frequency band EHF SHF VHF UHF |
SHF |
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Ignoring pulse length the maximum PRF (pulse repetition frequency) that can be used by a primary radar facility to detect targets unambiguously to a range of 200nm is : (possible =pulses per second) 375 pps 782 pps 308 pps 405 pps |
405 pps |
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The speed of a radio wave in nm/sec is 300,000 161,842 163,842 186,000 |
161,842 |
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A radar facility transmitting at a PRF 1200 pulses/ second will have a maximum unambiguous range of approximately 135nm 69nm 270nm 27nm |
69nm |
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The PRF of a signal having a pulse interval ( pulse recurrence period) of 5 micro-seconds is 6mhz 200khz 60mhz 2.000khz |
200 khz |
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What is the maximum theoretical range for a primary radar with a PRF of 324 pps? 250nm 500nm 463nm 463sm |
250nm |
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The maximum unambiguous range for a PRF of 1200 pps is 134nm 180nm 67nm 360nm |
67nm |
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The maximum PRF Required for a range of 50 nm is 300pps 600pps 1620pps 3240pps |
1620pps |
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A frequency of airborne weather radar is 9374 mhz9374 ghz9375 khz93.75 mhz |
9374 mhz |
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At surveillance radars will normally operate to a maximum range of 100nm 200nm 300nm 400nm |
300nm |
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The ground secondary surveillance radar (SSR) Equipment incorporates a transmitter and receiver respectively operating in the following frequencies 1090 mhz 1090 mhz 1090 1030 1030 1090 1030 1030 |
1030 mhz 1090 mhz |
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What is the maximum number of usable ssr codes 4096 3600 1000 760 |
4096 |
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The accuracy of SSR height as displayed to air traffic controller +/-25ft 50ft 75ft 100ft |
+/-50ft |
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The limits of the vhf band are 300-3000mhz 30-300mhz 300-3000khz 3-30mhz |
30-300mhz |
