viserfly

Questions for VDF

Answer the following questions

1. The pilot of an aeroplane requesting a VDF bearing should?
2. With reference to a VDF bearing, the true bearing of the aircraft from the ground station is a?
3. Ground direction finding at aerodromes utilises which frequencies?
4. You intercept a QDM with aright crosswind component. Is your intercept heading greater or smaller than it would be without wind influence?
5. Which Q code would give a magnetic heading from a VDF station?
6. VDF is the abbreviation for?
7. At a height of 5000 feet you might expect to receive a VHF signal, from a transmitter located at sea level, at a range of?
8. What is a VDF referenced to?
9. Which Q code would give a true track from a VDF station?
10. The range at which you can obtain a VDF bearing can be influenced by?
11. Range of VDF depends on? 1. Loudness of the voices of the pilots and the operator when transmitting. 2. power of airborne and ground transmitters. 3. power of pilot voice when transmitting. 4. aircraft altitude and ground transmitter elevation. The combination regrouping all of the correct statements is?
12. To provide a pilot with the position of the aircraft in the absence of radar, ATC must have at its disposal at least?
13. What is the Q code for a magnetic bearing from a VDF station?
14. In the VDF system directional antennas are used?
15. What is the approximate maximum theoretical range at which an aircraft at FL120 could receive information from a VDF facility, which is sited 6000 FT above MSL?
16. What is the approximate maximum theoretical range at which an aircraft at FL140 could receive information from a VDF facility, which is sited 1050 FT above MSL?
17. The minimum airborne equipment required for operation of a VHF Direction Finder is a?
18. What is the minimum level that an aircraft. at a range of 113 NM, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 169 FT above MSL?
19. VDF for aeronautical use provides service in the frequency range?
20. Abnormal long ranges may be experienced on VDF channels, caused by?
21. What is the minimum level that an aircraft, at a range of 153 NM, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 169 FT above MSL?
22. What airborne equipment, if any, is required to be fitted on order that a VDF let-down may be flown?
23. VDF is not affected by the other options listed in this question. The maximum theoretical range at which an aircraft at which an aircraft at FL80 can obtain bearings from a ground VDF facility sited 325 FT above MSL is
24. Range of VDF depends on? 1. Line of sight formula. 2. Power of transmitter. 3. Intervening high ground. The combination regrouping all of the correct statements is?
25. The minimum airborne equipment required for operation of a VHF Direction Finder is a?
26. In flight a pilot can improve the range of his transmission with a VDF operator by?
27. What is the minimum level that an aircraft, at a range of 133.5 NM, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 144 FT above MSL?
28. Given: Compass heading 270° Deviation 2°W. Variation 30°E. Relative bearing of VDF station from the aircraft 316°. What is the QDR?
29. When the pilot is conducting a QDM/QGH procedure, he will require?
30. In ISA conditions, what is the maximum theoretical range at which an aircraft at FL80 can expect to obtain bearings from a ground VDF facility sited 325 ft above msl?
31. Which of the following statements regarding VHF Direction Finding (VDF) is most accurate?
32. When would VDF be used for a position fix?
33. Which Q code would give a magnetic heading to steer (in nil wind) to a VDF station?
34. What is the purpose of a ground direction finder?
35. The VDF Class B bearing is accurate to within?
36. A Class C magnetic bearing is received from a station. This is?
37. VDF measures the bearing of the aircraft with?
38. In which one of the following circumstances is ground direction finding (VDF) likely to be used to fix an aircraft's position?
39. What equipment does an aircraft need when carrying out a VDF let-down?
40. One of the uses of the VDF is providing aircraft with?
41. What is the approximate maximum theroretical range at which an aircraft at FL 130 could receive information from a VDF facility, which is sited 1024 ft above MSL?
42. A radio beacon has an operational range of 10 nm. By what factor should the transmitter power be increased in order to achieve an operational range of 20 nm?
43. By selecting one VHF frequency, in the range 108 to 112 MHz, on the NAV receiver?
44. When conducting a QGH approach responsibility for interpreting the procedure rests with ..... And on a QDM approach responsibility rests with.....?
45. What is the approximate maximum theoretical range at which an aircraft at FL130 could receive information from a VDF facility, which is sited 1024 FT above MSL?
46. An aircraft is "homing" to a radio beacon whilst maintaining a relative bearing of zero. If the magnetic heading decreases, the aircraft is experiencing?
47. A Class B bearing has accuracy limits of plus or minus?
48. What is the minimum level that an aircraft, at a range of 170 NM, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited 169 FT above MSL?
49. What is QTE?
50. What is the maximum level that an aircraft at a range of 113 nm, must fly in order to contact the tower on R/T for a VDF bearing from an airport sited at 169 ft above MSL?