MCDONNELL DOUGLAS DC-9-87 (MD-87)987 Investments, LLC
536 lines · 09:28:50.3 – 10:00:03.4 · Brookshire, TX, 2021-10-19
- 09:59:51.7CAM-1(god/gah) come on. [sound of strained voice.]
- 09:59:53.3CAM-2# # # abort.
- 09:59:55.5CAM[sound of low thud.]
- 09:59:56.3CAM[sound of metallic slap.]
- 09:59:56.8CAM[sound of mechanical squeal.]
- 09:59:57.8CAM[start of gradual decrease in ambient noise.]
- 09:59:59.8CAM[sound similar to beginning of aircraft departing runway and impacting terrain.]
- 10:00:02.5CAM[sound of deep bang.]
- 10:00:03.0CAM[sound of second deep bang.]
- 10:00:03.4CAM[sound of rapid rumbling impacts.]
Crew communication
536 lines readobservations a human-factors reviewer takes from a transcript — the sterile cockpit, the Board's own notations, rhythm, CRM markers. Not emotions, not scores: the affect is in the audio, and the audio is sealedWindow: 09:53:32–10:00:12 · basis: recorder pressure altitude below 10,000 ft. Candidate non-pertinent lines below are a first reading for the investigator, not a finding; “@” marks the Board's own non-pertinent-word notation.
- 09:56:21.5“yeah that- I think the problem is you gotta put that position in the very first thing you do on this F-M-S.”
- 09:56:27.8“and so when you didn't do that you put all the rest of that # in and it's still thinkin' about that. it should be fine.”
- 09:56:46.1“we'll default to V-O-Rs if we have to.”
Delivery and physiological notes the transcribers added in brackets, plus # expletives. 39 words are marked unintelligible (*).
- cut off by background voice.09:31:07.4“okay-- [cut off by background voice.]”
- Spoken in a tone to emphasize pronunciation.09:34:53.7“STRYA- STRYA [Spoken in a tone to emphasize pronunciation.]”
- mumbling, possibly turned away from CAM.09:37:47.1“[mumbling, possibly turned away from CAM.]”
- #09:39:17.4“you'd rather just fall off the ladder and what the #.”
- #09:42:09.3“yeah maybe but I told @ACM. so. the owner goin’ down the stairs to give @ACM #.”
- spoken simultaneously with the First Officer’s corrected remarks.09:52:35.0“vee one. vee R. vee two. [spoken simultaneously with the First Officer’s corrected remarks.]”
- Automated Voice.09:53:27.2“[Automated Voice.] slats. [sound of aural warning.]”
- Automated Voice.09:53:29.5“[Automated Voice.] fa-laps. [sound of aural warning.]”
- Automated Voice.09:53:31.8“[Automated Voice.] slats. [sound of aural warning.]”
- Automated Voice.09:53:33.9“[Automated Voice.] slats. [sound of aural warning.]”
- #09:56:27.8“and so when you didn't do that you put all the rest of that # in and it's still thinkin' about that. it should be fine.”
- sound of strained voice.09:59:51.7“(god/gah) come on. [sound of strained voice.]”
- #09:59:53.3“# # # abort.”
Hedged or questioning lines from one pilot in the critical window, with the other pilot’s next words.
None found in the window.
No warning-system lines in the transcript.
- 09:38:11.4“got air?”
- 09:43:03.1“oh is this it?”
- 09:50:48.4“(in it you want it)?”
- 09:55:34.4“(corrrect)?”
“Not in transcript” never means “not said”: a line may be unintelligible, or the recording may not cover that phase.
| Speaker | words | questions | hedges | exclamations | expletives | checklists | non-pertinent lines |
|---|---|---|---|---|---|---|---|
| Captain | 1,070 | 16 | 14 | 3 | 2 | 0 | 18 |
| First officer | 1,074 | 23 | 5 | 2 | 4 | 0 | 13 |
Read next to the Board’s coded human-factors findings on the case page. The NTSB cautions that a transcript is not a precise science; these are pointers into it, for a trained reader to weigh.
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