This is a transcript of an air traffic control conversation at Heathrow Airport. The conversation involves multiple flights, including United 883, Air Portugal 1351, and others, as they prepare for takeoff and departure. The air traffic controllers provide instructions and clearances for each flight, including taxiing, holding, and takeoff procedures. The conversation also mentions weather conditions, such as low visibility and calm winds. The transcript includes various aviation terms and codes, and appears to be a routine conversation between air traffic controllers and pilots.
Here are the key facts extracted from the text:
1. The aircraft is at Heathrow Airport.
2. The air traffic control is using low visibility procedures, Category 3.
3. The wind speed is 104 knots, varying between 330 and 050 degrees.
4. The visibility is 2,900 meters.
5. The temperature is +4°C, and the dew point is +4°C.
6. The aircraft is cleared to push back from stand 223, facing east.
7. The aircraft is heading to Los Angeles.
8. The aircraft is instructed to follow the greens and hold short of Delta.
9. The aircraft is cleared to start its engines.
10. The aircraft is taxiing to Runway 27 Right.
11. The aircraft is instructed to hold short of Kilo.
12. The aircraft is cleared to line up on Runway 27 Right.
13. The aircraft is behind a British Airways A320.
14. The aircraft is instructed to contact London 119.125.
15. The aircraft is cleared for takeoff from Runway 27 Right.
16. The takeoff time is 46.
17. The aircraft is instructed to hold out for 4.
18. The aircraft is behind an Euro Wings A321.
19. The aircraft is cleared to line up on Runway 27 Right again.
20. The aircraft takes off from Runway 27 Right.
21. The aircraft is instructed to climb to 6,000 feet.
22. The aircraft is levelled at 6,000 feet.
23. The aircraft is instructed to turn heading 090 degrees.
24. The aircraft is levelled at flight level 142.