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CVR transcript Lauda Air Flight 004 - 26 MAY 1991
Cockpit voice recorder transcript of the Lauda Air Flight 004 Boeing 767 accident at Phu Khao Kao Chan (Thailand), May 26, 1991.
Source: The Independent on Sunday 23 June 1991 p.8; AW&ST 10.06.96 (p.28-30)

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
23.21:21 - [Warning light indicated]
23.21:21 FO: Shit.
23.21:24 CA: That keeps, that's come on.
23.22:28 FO: So we passed transition altitude one-zero-one-three
23.22:30 CA: OK.
23.23:57 CA: What's it say in there about that, just ah...
23.24:00 FO: (reading from quick reference handbook) Additional system failures may cause in-flight deployment. Expect normal reverse operation after landing.
23.24:11 CA: OK.
23.24:12 CA: Just, ah, let's see.
23.24:36 CA: OK.
23.25:19 FO: Shall I ask the ground staff?
23.25:22 CA: What's that?
23.25:23 FO: Shall I ask the technical men?
23.25:26 CA: Ah, you can tell 'em it, just it's, it's, it's, just ah, no, ah, it's probably ah wa... ah moisture or something 'cause it's not just, oh, it's coming on and off.
23.25:39 FO: Yeah.
23.25:40 CA: But, ah, you know it's a ... it doesn't really, it's just an advisory thing, I don't ah ...
23.25:55 CA: Could be some moisture in there or somethin'.
23.26:03 FO: Think you need a little bit of rudder trim to the left.
23.26:06 CA: What's that?
23.26:08 FO: You need a little bit of rudder trim to the left.
23.26:10 CA: OK.
23.26:12 CA: OK.
23.26:50 FO: (starts adding up figures in German)
23.30:09 FO: (stops adding figures)
23.30:37 FO: Ah, reverser's deployed.
23.30:39 - [sound of snap]
23.30:41 CA: Jesus Christ!
23.30:44 - [sound of four caution tones]
23.30:47 - [sound of siren warning starts]
23.30:48 - [sound of siren warning stops]
23.30:52 - [sound of siren warning starts and continues until the recording ends]
23.30:53 CA: Here, wait a minute!
23.30:58 CA: Damn it!
23.31:05 - [sound of bang]
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