Conversation

1. Is DirectionFinding an old method of navigation? Was Direction Finding developed in the 1920s? The 1930 s? When was Direction Finding developed? Is Direction Finding still a navigational aid today? Is the technique of Direction Finding still used today? Is Direction Finding used for search and rescue operations? Is Direction Finding used to plot the location of an aircraft? Why is Direction Finding a useful method of navigation?

2. Does a navigator want a fix on his position? A pilot? A radio technician? Who wants a fix on his position? Does Direction Finding enable a pilot to get a fix on his position? VOR? DME? MTI? What enables a pilot to get a fix on his position? Is a pilot lost when he has a fix on his position? Does he call MAYDAY when he has a fix on his position? Does he need search and rescue operations when he has a fix on his position? When does he want a fix on his position? What enables a pilot to get a fix on his position?

3. Is a compass a useful device? A tachometer? A spanner? Was the wheel the first useful device ever invented? What do you consider was the first useful device ever invented? Name a useful navigational device.

4. Is ADF also a navigational aid? Is ADF in the aircraft? Can the pilot get his bearings with ADF? Can a pilot get his bearings automatically with ADF? Can a pilot get a fix on his position with ADF? Is ADF also used by controllers? Who uses ADF? Why does a pilot use ADF?

5. If ADF is in the aircraft, is it airborne? Is all equipment on the flight deck airborne equipment? Is a pilot always airborne? A stewardess? When is a pilot airborne? Why is equipment called airborne equipment? Why is ground equipment not called airborne equipment?

6. Is ADF similar equipment to Direction Finding equipment? Is ADF a useful counterpart to Direction Finding equipment? Is a windsock a useful counterpart to a wind direction indicator? Are some grammar books useful counterparts to other grammar books? Is this book a counterpart to other aviation language books? To a grammar book? What is a useful counterpart to this book? To ADF? To a windsock?

7. Is the compasslocator situated at the aerodrome? Does the compass locator help the pilot get a fix on his position? Is a compass locator one of many devices enabling a pilot to get a fix on his position? Where is a compass locator situated? Is the compass locator a radio beacon? Is the compass locator a high frequency radio beacon? What sort of radio beacon is a compass locator?

8. Is NDB a non-directional radio beacon? Is NDB a useful counterpart to other navigational aids? Is NDB situated at the aerodrome? Can a pilot take his bearings from NDB? Is NDB airborne equipment? Where is NDB? What does NDB stand for?

9. Do you help friends when they are in trouble? Do you backup friends when they are in trouble? When they need you? Is ADF used as backup equipment to other navigational equipment? Why is it necessary to have backup equipment in navigation?

10. Does Chicago International Aerodrome have the highest density traffic in the world? Does Charles de Gaulle International have highdensity traffic? Heathrow International? What aerodrome has the highest density traffic?

11. Is Decca a navigational aid? Is Decca one of many navigational aids? Is Decca used on the North Atlantic? Pacific? Everywhere in the world? Where is Decca used?

12. Is LORAN also a navigational aid? Is LORAN a navigational aid approved by ICAO? Do pilots also approve of LORAN as a navigational aid? What does LORAN stand for?