Cases › DCA11IA015 › Cockpit voice recorder
BOEING 757-223AMERICAN AIRLINES INC
33 lines · 09:40:20.0 – 11:00:30.1 · Jackson Hole, WY, 2010-12-29
The NTSB cautions that a transcript is not a precise science and, taken out of context, can mislead. These are the last words of real people — handle with care.
33 of 33 lines
CaptainFirst officerControllersWarningsSounds
The final secondsjump to the end ↓
- 10:59:55.2CAM-2one thirty one that works for me...left hand turn off...max brakes yeah.
- 11:00:02.6CAM-1* be slippery slippery max auto it'll be slippery at the end there.
- 11:00:04.7CAM-2yeah.
- 11:00:06.3CAM-2right once we get down you know we're slowin' down I'll whenever you either want it or I'll hand it over to ya'.
- 11:00:13.3CAM-1yeah * probably I'll get it just 'cause wanna make sure I'm comfortable with the steering in the turn before I get to the turn...cause it's got that ninety degree turn.
- 11:00:13.8CAM-2*.
- 11:00:19.5CAM-2right okay.
- 11:00:23.9CAM-2right.
- 11:00:26.6CAM-2with those M-Us I almost stop before I turn.
- 11:00:30.1CAM-1yeah well that's it.
Crew communication
33 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 sealed41 / 59
floor share · CA / FO %
0%
non-pertinent talk in sterile window
0 · 0 · 0
laughter · delivery · expletives
0 of 1
crew questions unanswered in 8 s
—
warnings with a crew response in 5 s
Sterile cockpit · 14 CFR 121.542
Window: 11:35:36–11:38:45 · basis: critical phases in the extracted recorder events (approximate). Candidate non-pertinent lines below are a first reading for the investigator, not a finding.
No candidate non-pertinent conversation inside the window.
The Board’s own notations
Delivery and physiological notes the transcribers added in brackets, plus # expletives. 11 words are marked unintelligible (*).
None beyond laughter (0).
Silences of 45 s or more
- 4690 s09:40:20.0 → 10:58:29.7
Concerns voiced, and what followed
Hedged or questioning lines from one pilot in the critical window, with the other pilot’s next words.
None found in the window.
Warnings and the response
No warning-system lines in the transcript.
Questions between the pilots left unanswered
Every question between the pilots drew a reply within 8 s.
Standard callouts
V1 · not in transcriptRotate / Vr · not in transcriptV2 · not in transcriptPositive rate · not in transcriptGear up · not in transcript1,000 ft · not in transcript500 ft · not in transcriptMinimums · not in transcriptGear down · not in transcriptRunway in sight · not in transcriptGo around · not in transcriptStabilized · not in transcript
“Not in transcript” never means “not said”: a line may be unintelligible, or the recording may not cover that phase.
Language, as counts
| Speaker | words | questions | hedges | exclamations | expletives | checklists | non-pertinent lines |
|---|---|---|---|---|---|---|---|
| Captain | 164 | 1 | 0 | 0 | 0 | 0 | 4 |
| First officer | 237 | 0 | 0 | 0 | 0 | 0 | 2 |
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.
Hover a line to bookmark it or write a note against it — the note keeps the line’s time, speaker and words.
09:40:20.0STASTARTOF RECORDINGp.8
10:58:29.7STASTARTOF TRANSCRIPT (APPROACH BRIEFING PORTION)p.8
10:58:29.7CACAM-1are you comfortable with the approach you want to go over it?p.8
10:58:32.5FOCAM-2ah yeh basically just like what we've been doing all month one oh nine one one eighty seven inbound we need three quarters of a mile sixty six fifty one is the M-D-A six fifty one.p.8
10:58:46.1CACAM-1ah six fifty one I was doin' I was doin' the outbound I have the seventy four fifty for the outbound.p.8
10:58:51.5FOCAM-2yep.p.8
10:58:51.9◦CAM*.p.8
10:58:52.4FOCAM-2uh if we * if we miss and we're prior to that two point eight D-M-E we'll do the left hand turn back around we'll probably hafta' do the whole thing back around.p.8
10:59:01.9CACAM-1yeah * have to go up to DUNOIR.p.8
10:59:03.7FOCAM-2right.p.8
10:59:04.0CACAM-1if we're burnin' if were burnin' we'll turn right around and come in if we're have a other maintenance issues if not we're on fire let's go to Salt Lake you know what I mean with this weather. DCA11IA015p.8
10:59:04.1FOCAM-2and the weather is.p.9
10:59:12.8FOCAM-2okay.p.9
10:59:14.0FOCAM-2yep.p.9
10:59:14.9FOCAM-2um missed is in the box be straight out there to KICNE at * there is terrain we know about that I'll get slowed down for the turn comin' out of DUNOIR and we will * if we come in below five hundred feet or so and uh and maybe a little bit earlier I'll be droppin' down to about a half a dot maybe a little more and touchdown in the first five hundred feet.p.9
10:59:36.2CACAM-1kind'a like what I did yesterday and I just closed the throttle and went for it because uh * 'cause this thing'll float you know.p.9
10:59:37.3FOCAM-2yeah.p.9
10:59:39.8FOCAM-2right.p.9
10:59:42.2FOCAM-2correct.p.9
10:59:44.2FOCAM-2speed 'ill be on and everything so I'll make sure all that.p.9
10:59:48.2◦CAM*.p.9
10:59:49.2FOCAM-2if you * don't like what you see tell me to go around.p.9
10:59:52.2CACAM-1okay one thirty one on the numbers. DCA11IA015p.9
10:59:55.2FOCAM-2one thirty one that works for me...left hand turn off...max brakes yeah.p.10
11:00:02.6CACAM-1* be slippery slippery max auto it'll be slippery at the end there.p.10
11:00:04.7FOCAM-2yeah.p.10
11:00:06.3FOCAM-2right once we get down you know we're slowin' down I'll whenever you either want it or I'll hand it over to ya'.p.10
11:00:13.3CACAM-1yeah * probably I'll get it just 'cause wanna make sure I'm comfortable with the steering in the turn before I get to the turn...cause it's got that ninety degree turn.p.10
11:00:13.8FOCAM-2*.p.10
11:00:19.5FOCAM-2right okay.p.10
11:00:23.9FOCAM-2right.p.10
11:00:26.6FOCAM-2with those M-Us I almost stop before I turn.p.10
11:00:30.1CACAM-1yeah well that's it.p.10