Exercise 4
Exercise 3
a) Listen to the dialogues:
1) ACC: Speedbird 319. Be advised. Heavy thunderstorm in the vicinity of DK, moving south-east. Traffic avoided to the north.
АСFТ: Speedbird 319. Our radar indicates weather. Request avoid CB to the north.
ACC: Speedbird 319. Avoid CB to the north on your radar.
2) ACC: Tarom 207, be advised CB 30 km south - west of SH, moving north. Recommend avoid CB east of the airway on your radar.
ACFT: Tarom 207. Radar indicates weather. Will avoid CB east of the airway on my radar.
3) ACC: Air France 848. Thunderstorm in the vicinity of the aerodrome. Moving west. Aerodrome closed (for landing ) for 30 minutes. Report your decision.
ACFT: Air France 848. Thunderstorm observed. Request holding pattern over AL.
4) ACC: Scandinavian 363. Be informed. Thunderstorm en-route 70 km ahead of you. Advise to avoid the thunderstorm left of route.
ACFT: Flying heading 110, Scandinavian 363.
5) ACC: Air Maroc 425. Front thunderstorm in the vicinity of SH crossing the airway west to east. Top cloud 8000 metres. Are you able to climb to FL 330 to avoid thunderstorm on top?
ACFT: Air Maroc 425. Affirm. Front thunderstorm observed. Accept FL 300.
ACC: Air Maroc 425. Climb to FL 330. Report flight conditions.
ACFT: Leaving FL 220, climbing to FL 330, light turbulence, VMC,
Air Maroc 425.
ACC: Air Maroc 425. Roger.
ACFT: Air Maroc 425. At FL 330. Above clouds, moderate turbulence.
ACC: Air Maroc 425, maintain FL 330.
ACFT: Maintaining FL 330, Air Maroc 425.
b) Listen to the dialogues again and take the controller’s part.
You are an ACC controller. Inform the aircraft about marginal weather and give instructions to avoid weather. Practise the exercise several times.
| Libair 112 Air India 928 Scandinavian 502 Ariana 788 Tarom 319 Angola 999 Finnair 502 KLM 344 Air France 819 Speedbird 916 | Be advised Be informed | (heavy) thunderstorm rain clutters build ups CB bad weather area (heavy) clear air turbulence (heavy) icing (light/heavy) turbulence weather indication | en route over (SO, MN, WE) in clouds at (FL 240, FL 220) in the vicinity of (waypoint) |
| moving ... |
a)
| (Recommend) avoid thunderstorm | to the north to the south only within the route 20 km south of the route to the north-east right/left of route | on your radar |
b)
| Fly heading ( 050, 170, 190, 280, 330 ) to avoid thunderstorm |
1) ACC: . . . .
ACFT: Libair 112, our radar indicates weather. Request avoid thunderstorm to the north.
ACC: . . . .
2) ACC: . . . .
ACFT: Air India 928. Weather radar indicates thunderstorm. Request avoid weather to the south.
ACC: . . . .
3) ACC: . . . .
ACFT: Scandinavian 502. Our radar indicates weather. Request avoid thunder-storm left of the route.
ACC: . . . .
4) ACC: . . . ..
ACFT: Ariana 788. Our radar indicates weather. Request avoid thunderstorm 15 km south of the airway.
ACC: . . . .
5) ACC: . . . .
ACFT: Tarom 319. Radar indicates weather. Request avoid weather 20 km north-east of the route.
ACC: . . . .
6) ACC: . . . .
ACFT: Flying heading 050, Angola 999.
7) АCC: . . . .
ACFT: Flying heading 170, Finnair 702.
8) ACC: . . . .
ACFT: Flying heading 190, КLM 344.
9) ACC: . . . .
ACFT: Flying heading 280, Air France 819.
10) ACC: . . . .
ACFT: Flying heading 330, Speedbird 916.