viserfly

Questions for DME

Answer the following questions

1. What is the slant range error for an aircraft at 9000 feet absolute above a DME located at elevation 2000 feet, when the slant range is 12 nm?
2. What are the DME frequencies?
3. In a certain VORTAC installation the VOR station is identified as "STN" and the DME station is identified as "STZ". This means that the distance between the two beacons is in excess of?
4. An aircraft at FL310 cannot receive a signal from a DME 240 nm away. Why?
5. A DME that has difficulty obtaining a "lock-on"? (NOTE: PRF= pulse recurrence frequency, PPS= pulses per second)
6. Aircraft position 52 degrees 09 minutes S 024 degrees E, magnetic variation 14 degrees W, FL310. BIT VOR/DME position 54 degrees 42'S 024 degrees E, magnetic variation 14 degrees E. In order to read the most accurate ground speed given by the DME receiver from his present position, the pilot must fly on which BIT radial?
7. In the which situation will speed indications on an airborne Distance Measuring Equipment (DME) most closely represent the groundspeed of an aircraft flying at FL400?
8. Consider the following statement on horizontal/slant distance when using DME?
9. If a DME beacon becomes saturated by interrogations it?
10. During a flight at FL260, a pilot does not receive any DME distance indication from a DME station located approximately 220 nm away. The reason for this is that?
11. Which statement about the interrogation by DME interrogator is correct?
12. A DME station is located 2000 feet above MSL. An aircraft flying at FL 200, 10 NM away from the DME station, will have a DME reading of?
13. Which of the following provides distance information?
14. What happens when a DME in the search mode fails to achieve lock-on?
15. On a DME, display counters rotating throughout their range indicates
16. The time from the transmission of a DME interrogation pulse to the receipt of the reply from the DME ground station is 1000 microseconds (ignore the delay in the DME ground station). The slant range is?
17. The effect of masking the DME antenna of the aircraft from the ground installation is that interruption of reception of DME signals results in?
18. An aircraft flying at FL180 is 190 nm from a DME (located at 0 feet AMSL). The aircraft equipment fails to lock on, this is because?
19. A DME station is located 7000 feet above MSL. An aircraft flying at FL 430 , 20 NM away from the DME station, will have DME reading?
20. DME pulses are transmitted as pulse pairs. This is done?
21. A VOR and DME are co-located. You want to identify the DME by listening to the callsign. Having heard the same callsign 4 times in 30 seconds the?
22. An enroute DME and VOR that have the same morse code identification are associated and are?
23. When an aircraft at FL360 it is directly above a DME, at mean sea level, the range display will be?
24. What is the approved frequency band assigned to DME?
25. A typical frequency employed in Distance Measuring Equipment (DME) is
26. An aircraft DME receiver does not lock on to its own transmissions reflected from the ground because
27. The most accurate measurement if ground speed by DME for an aircraft at 30000 feet will be when the aircraft is?
28. Regarding the DME system, which one of the following statement is true?
29. How can a DME interrogator distipulsenguish between its own reply pulse-pairs and the reply pulse-pairs of other aircraft in the area, using the same DME station?
30. The ident of a DME in case of collocation with a VOR is as follows?
31. By using a random PRG the airborne DME can?
32. An aircraft at FL 300, with a groundspeed of 300 kts, is about to pass overhead a DME station at MSL, The dame receiver is capable of determining ground speed. One minute before the overhead, DME speed and distance indication respectively are?
33. The reason for using different frequencies for the airborne and ground equipment of DME is?
34. The time taken for the transmission of an interrogation pulse by a distance Measuring Equipment (DME) to travel to the ground transponder and return to the airborne receiver was 2000 microseconds. The slant range from the ground transponder is?
35. The DME ground transponder has a PRF of?
36. The DME line of Position is a circle with radius?
37. Where a DME uses mechanical counters for displaying the range, continuous rotation of the counters means?
38. DME is a secondary radar operating in the (i) .. band using frequencies between (ii) ......?
39. When VOR and DME station are associated?
40. DME uses (i) .... radar principles in the (ii) ..... band ?
41. A DME is located at MSL. An aircraft passing vertically above the station at flight level 360 will obtain a DME range of approximately?
42. What is the maximum distance between VOR and DME/TACAN ground installations if they are to have the same morse code identifier?
43. A VOR and DME are frequency paired. The DME identification ends with Z. This denotes that?
44. A DME station is located 1000 feet above MSL. An aircraft flying at FL 310,20 NM away from the DME station, will have a DME reading of?
45. In which of the following bands does DME operate?
46. Distance Measuring Equipment (DME) uses radar principles to measure distance?
47. A DME station is located 1000 ft above MSL. An aircraft which is flying at FL 370 in ISA conditions, is 15 nm away from the DME station, will have a DME reading of?
48. DME is a .. Radar which, provides .. Distances between the aircraft and a ground ..?
49. When flying 6000 ft above a ground level, the DME indicates 5 nm, what is the horizontal distance from the aircraft to overhead the DME?
50. Aircraft position 34 degrees 15 minutes N 098 degrees E, magnetic variation 28 degrees W, FL280. PTV, VOR/DME position 36 degrees 12' N 098 degrees E, magnetic variation13 degrees E, In order to read the most accurate ground speed given by the DME receiver from his present position, the pilot must fly on which PTC radial?