a) Listen to thedialogues:
1) ACFT: Newtown Control, Speedbird 812.
ACC: Speedbird 812, Newtown Control, go ahead.
ACFT: Speedbird 812, NP 10.35, FL 290, estimating DK 49.
ACC: Speedbird 812, maintain FL 290, turn right45° for identification.
ACFT: Right 45°, Speedbird 812.
ACC: Speedbird 812. Observed. Identified 15 kilometres north - west of NP.
2) ACFT: Newtown Control, Air France 333.
ACC: Air France 333, Newtown Control. Report FL and heading.
ACFT: Air France 333, FL 240, heading 055°.
ACC: Air France 333, maintain FL 240, turn right heading 090° for identification.
ACFT: Right heading 090°, Air France 333.
ACFT: Air France 333, heading 090°.
ACC: Air France 333, not observed on radar, resume own navigation.
ACFT: Turning back onto heading 055°. Resuming own navigation, Air France 333.
3) ACC: Swissair 506. Newtown Control. Not identified. Not yet within radar cover. Resume own navigation.
ACFT: Wilco, Swissair 506.
4) ACC: Ariana 798. Newtown Control. Radar Contact lost due radar failure. Contact Alexander Information 128.7.
ACFT: 128.7. Ariana 798.
5) ACC: JAL 619. Newtown Control . Will shortly lîså identification. Contact Alexander Information 128.7
ACFT: 128.7. JAL 619.
b) Listen to the dialogues again and repeat the controller's words.