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Inex Adria DC-9-31 / British Airways Trident - 10 SEP 1976
Air traffic control transcript of the September 10, 1976 midair collision between a Inex Adria DC-9-31 and a British Airways HS-121 Trident 3B near Zagreb, Croatia.
Details: accident description
Source: U.K. Civil Aircraft Accident Report 9/82, Air Disasters / S.Stewart

The reader of these transcripts is cautioned that the transcription of a CVR tape is not a precise science but is the best possible product from a group investigative effort. The transcript, or parts thereof, if taken out of context can be misleading. Therefore, the CVR transcripts should only be viewed as an investigative tool to be used in conjunction with other evidence. Conclusions or interpretations should not be made using the transcript as the sole source of information.
Furthermore, this transcript is made available for educational purposes, so the reader is encouraged to read the accident description associated with the transcripts for better understanding of the circumstances.

time source content
10.03:21 JP550 Dobar dan, Adria 550, crossing two two five, climbing two six zero
10.03:28 ZAG ATC 550, good morning, squawk alpha two five zero six, continue climb two six zero
10.03:34 JP550 Squawk alpha two five zero six, continue climb two six zero
10.03:38 ZAG ATC That is correct. Inbound Kostajnica, Zagreb, Graz next
10.04:12 BE476 Zagreb, Bealine 476, good morning
ZAG ATC 2 Bealine 476, good morning, go ahead
10.04:19 BE476 476 is Klagenfurt at zero two, three three zero, and estimating Zagreb at one four
ZAG ATC 2 Bealine 476, roger, call me passing Zagreb, flight level three three zero. Squawk alpha two three one two
10.04:38 BE476 Two three one two is coming
10.05:57 JP550 Adria 550, levelling two six zero, standing by for higher
10.06:03 ZAG ATC 550, sorry three three zero ... eh ... three one zero is not available, two eight zero also. Are you able to climb maybe to three five zero?
10.06:11 JP550 Affirmative, affirmative. With pleasure
10.06:13 ZAG ATC Roger, call you back.
10.06:14 JP550 Yes, sir.
10.07:40 ZAG ATC Adria 550, recleared flight level three five zero
10.09:49 JP550 Zagreb, Adria 550 is out of two nine zero.
10.09:53 ZAG ATC Roger, call me passing three one zero now.
10.12:03 JP550 Zagreb, Adria 550 is out of three one zero.
10.12:06 ZAG ATC 550, further Zagreb one three four decimal four five. Squawk stand-by and good day, sir.
10.12:12 JP550 Squawk stand by, one three four four five. Good day.
10:14.04 JP550 Dobar dan, Zagreb, Adria 550
10.14:07 ZAG ATC 2 Adria 550, Zagreb, dobar dan. Go ahead.
10.14:10 JP550 Three two five crossing, Zagreb at one four.
10.14:14 ZAG ATC 2 What is your present level?
10.14:17 JP550 Three two seven
10.14:22 ZAG ATC 2 ... e ... Zadrzite se za sada na toj visini i javite prolazak Zagreba [... e ... hold yourself at that height and report passing Zagreb ]
10.14:27 JP550 Kojoj visini? [What height?]
10.14:29 ZAG ATC 2 No kojo ste sada u penjanju jer ... e ... Imate avion pred vama na isn ...? 335 sa leva na desno [The height you are climbing through because ... you have an aircraft in front of you at ...? Three three five from left to right]
10.14:38 JP550 OK, ostajemo tocno 330. [OK, we'll remain precisely at three three zero]
10.15:40 LH360 .. e Zagreb! It is possible we have a midair collision in sight - we have two aircraft going down, well, almost below our position now.
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