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Cases › DCA08FA018 › Cockpit voice recorder

BOMBARDIER CL600-2B19Air Wisconsin Airlines

177 lines · 16:33:25.3 – 16:48:36.3 · Providence, RI, 2007-12-16

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.
177 of 177 lines
CaptainFirst officerControllersWarningsSounds
The final secondsjump to the end ↓
  • 16:48:09.1TWRdid you hear that?
  • 16:48:10.1HOT-3no everybody's okay.
  • 16:48:10.7RESthree oh six received thank you.
  • 16:48:11.0INT-1okay cool deal ahm I guess we're just gonna hang out here until we ah get somebody to ah pick us all up.
  • 16:48:18.8HOT-3okay.
  • 16:48:19.3INT-1and ahm we'll go from there I don't see any fires we got it shut down we'll communicate with them with the ah ahm fire trucks out here and make sure everything's okay we'll get right back to ya I'll make an announcement.
  • 16:48:25.6RESand Providence tower rescue three oh six could you ask the ah pilot to pop the door open?
  • 16:48:30.3HOT-3okay.
  • 16:48:32.7TWRAir Wisconsin seven fifty eight Alpha can you open up the aircraft? DCA08FA018
  • 16:48:36.3RDO-1yeah we can.

Crew communication

177 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 sealed
63 / 22
floor share · CA / FO %
19%
non-pertinent talk in sterile window
0 · 12 · 7
laughter · delivery · expletives
1 of 7
crew questions unanswered in 8 s
7 of 9
warnings with a crew response in 5 s
CaptainCaptain: 5 in minute 1Captain: 5 in minute 2Captain: 1 in minute 3Captain: 5 in minute 4Captain: 4 in minute 5Captain: 1 in minute 6Captain: 2 in minute 7Captain: 1 in minute 8Captain: 5 in minute 9Captain: 2 in minute 10Captain: 4 in minute 11Captain: 15 in minute 12Captain: 8 in minute 13Captain: 5 in minute 14Captain: 5 in minute 15Captain: 1 in minute 16First officerFirst officer: 1 in minute 1First officer: 4 in minute 2First officer: 2 in minute 3First officer: 2 in minute 4First officer: 4 in minute 5First officer: 1 in minute 7First officer: 3 in minute 8First officer: 2 in minute 9First officer: 6 in minute 10First officer: 5 in minute 11First officer: 12 in minute 12First officer: 4 in minute 13First officer: 2 in minute 14First officer: 5 in minute 15ControllersControllers: 1 in minute 1Controllers: 1 in minute 6Controllers: 2 in minute 9Controllers: 1 in minute 11Controllers: 1 in minute 12Controllers: 2 in minute 13Controllers: 4 in minute 14Controllers: 4 in minute 15Controllers: 1 in minute 1616:3316:3516:3716:3916:4116:4316:4516:4716:49
Utterances per minute, one row per speaker on one clock. shaded = sterile-cockpit window · red = end of recording.
Sterile cockpit · 14 CFR 121.542

Window: 16:33:36–16:48:36 · basis: assumed — the last 15 minutes of the recording; no altitude data. Candidate non-pertinent lines below are a first reading for the investigator, not a finding.

  • 16:38:22.9“if you didn't say that I don't know.”
  • 16:44:21.5“yeah I don't know why it did that.”
  • 16:46:11.1“ah folks ah will you please ah remain seated we'll get right to ya.”
  • 16:46:27.9“hey man do you see any ah fires or anything?”
  • 16:46:30.5“okay just ah hang tight we're rollin' the trucks and ah we'll get ah right back to ya.”
  • 16:47:04.2“ah let's go ahead and ah shut her down, let's do the ah, we won't ah evacuate yet we're just gonna shut it down.”
  • 16:48:11.0“okay cool deal ahm I guess we're just gonna hang out here until we ah get somebody to ah pick us all up.”
  • 16:48:19.3“and ahm we'll go from there I don't see any fires we got it shut down we'll communicate with them with the ah ahm fire trucks out here and make sure everything's okay we'll get right back to ya I'll make an announcement.”
The Board’s own notations

Delivery and physiological notes the transcribers added in brackets, plus # expletives. 5 words are marked unintelligible (*).

  • sound similar to throat clearing16:35:08.0“taxi- taxiway N closed east of M. so, we can't get off on ah November either. [sound similar to throat clearing] well #.”
  • #16:35:08.0“taxi- taxiway N closed east of M. so, we can't get off on ah November either. [sound similar to throat clearing] well #.”
  • sound similar to throat clearing16:38:11.8“[sound similar to throat clearing] ah since its wet and slushy don't worry about a soft landing just -”
  • sound similar to throat clearing16:40:08.7“[sound similar to throat clearing].”
  • sound of throat clearing16:42:22.3“[sound of throat clearing].”
  • #16:44:16.4“# *.”
  • sound of throat clearing16:44:31.8“[sound of throat clearing].”
  • #16:44:33.8“oh #.”
  • electronic voice16:44:41.6“five hundred [electronic voice]. DCA08FA018”
  • sound similar to cough16:45:08.1“[sound similar to cough].”
  • #16:45:08.3“#.”
  • electronic voice16:45:14.3“minimums [electronic voice].”
  • electronic voice16:45:18.1“sink rate [electronic voice] [electronic whooping tone] pull up [electronic voice].”
  • electronic voice16:45:18.1“sink rate [electronic voice] [electronic whooping tone] pull up [electronic voice].”
  • electronic voice16:45:21.1“ten [electronic voice]. DCA08FA018”
  • grunting sigh16:45:21.3“[grunting sigh].”
  • #16:45:22.2“oh # that # man.”
  • #16:45:34.8“oh #.”
  • #16:45:40.4“oh #.”
Silences of 45 s or more
Concerns voiced, and what followed

Hedged or questioning lines from one pilot in the critical window, with the other pilot’s next words.

Warnings and the response
  • 16:44:32.4[sound similar to autopilot disconnect cavalry horn].
    → 1.4 s later: 16:44:33.8“oh #.”
  • 16:45:18.1sink rate [electronic voice] [electronic whooping tone] pull up [electronic voice].
    → 4.1 s later: 16:45:22.2“oh # that # man.”
  • 16:45:20.1[sound similar to stick shaker].
    → 2.1 s later: 16:45:22.2“oh # that # man.”
  • 16:45:21.0[stall warning warbling electronic tone].
    → 1.2 s later: 16:45:22.2“oh # that # man.”
  • 16:45:22.8[sound similar to master caution warning chime].
    → no crew words within 5 s
  • 16:45:25.4[sound similar to master caution warning chime].
    → 2.7 s later: 16:45:28.1“my bad man I shoulda gone around.”
  • 16:45:36.2[sound similar to master caution warning chime].
    → 4.2 s later: 16:45:40.4“oh #.”
  • 16:45:39.4[sound similar to master caution warning chime].
    → 1 s later: 16:45:40.4“oh #.”
  • 16:45:49.4[sound similar to master caution warning chime].
    → no crew words within 5 s
Questions between the pilots left unanswered
Standard callouts
MinimumsGear downRunway in sightV1 · 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 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
Speakerwordsquestionshedgesexclamationsexpletiveschecklistsnon-pertinent lines
Captain501555508
First officer177314300
Observer / jumpseat113000000

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.

16:33:25.3CAHOT-1is that what she said?p.8
16:33:26.3FOHOT-2ehyup direct KENTE.p.8
16:33:28.4CAHOT-1yeah I'm gonna put it in there.p.8
16:33:41.0CAHOT-1zero zero she said.p.8
16:33:44.8CAHOT-1that's insane.p.8
16:34:11.8APRAPRAir Wisconsin seven fifty eight Alpha descend maintain five thousand.p.8
16:34:15.2CARDO-1down to five thousand Wisconsin seven fifty eight Alpha.p.8
16:34:29.6FOHOT-2[sound of indeterminate vocalizations].p.8
16:34:56.8FOHOT-2* ahhh I guess we can do the approach checklist when you're ready.p.8
16:35:00.2CAHOT-1alright. DCA08FA018p.8
16:35:00.6FOHOT-2this is a quick flight.p.9
16:35:03.0CAHOT-1what's that?p.9
16:35:03.5FOHOT-2this is a quick flight.p.9
16:35:04.4CAHOT-1yeah it is.p.9
16:35:08.0CAHOT-1taxi- taxiway N closed east of M. so, we can't get off on ah November either. [sound similar to throat clearing] well #.p.9
16:35:23.2CAHOT-1never taxied all the way to Alpha I guess we'll- we either gotta take Charlie.p.9
16:35:27.7FOHOT-2okay.p.9
16:35:28.5CAHOT-1or ah Alpha all the way around.p.9
16:35:31.1FOHOT-2okayp.9
16:36:46.6CAINT-1flight attendant please prepare for landing.p.9
16:36:49.0CAINT-1flight attendant’s advised (approach briefing).p.9
16:36:51.4FOHOT-2complete. DCA08FA018p.9
16:36:52.0CAHOT-1navaids.p.10
16:36:54.3FOHOT-2set annddd crosschecked.p.10
16:36:58.0CAHOT-1set crosschecked.p.10
16:37:02.0CAHOT-1APU bleeds comin' on approach check complete.p.10
16:37:10.6OBINT-3ladies and gentlemen at this time please turn off all portable electronic devices and stow them until we've arrived at the gate. in preparation for landing all passengers must be seated and remain seated with their seatbelts securely fastened. all carry on luggage must be stowed completely under a seat or an overhead compartment. and all seat back and tray tables must be in their full upright and locked position. and at this time please pass any trash or your unwanted reading materials such as newspapers and magazines toward the center aisle for final pickup prior to landing. we'll be on the ground momentarily.p.10
16:37:59.3FOHOT-2[sound similar to altitude alerter tone].p.10
16:38:02.3FOHOT-2one to go.p.10
16:38:03.1CAHOT-1one to go. DCA08FA018p.10
16:38:11.8CAHOT-1[sound similar to throat clearing] ah since its wet and slushy don't worry about a soft landing just -p.11
16:38:17.6FOHOT-2okay.p.11
16:38:18.0CAHOT-1sla- slam it on the ground just t- c- and use ful- full ah thrust reverser.p.11
16:38:21.4FOHOT-2thrust rev- okay.p.11
16:38:22.9CAHOT-1if you didn't say that I don't know.p.11
16:39:08.7APRAPRAir Wisconsin seven fifty eight Alpha one one miles from KENTE maintain two thousand until established on the localizer clear ILS runway five approach.p.11
16:39:15.3CARDO-1two 'till established cleared ILS ah five Wisconsin seven fifty eight Alpha.p.11
16:40:02.9FOHOT-2I should be able to go to approach mode now right?p.11
16:40:06.1CAHOT-1uhm yeah sure.p.11
16:40:08.7CAHOT-1[sound similar to throat clearing].p.11
16:40:32.2FOHOT-2[sound similar to altitude alerter tone]. DCA08FA018p.11
16:41:10.1CAHOT-1missed approach is twenty five hundred.p.12
16:41:12.5FOHOT-2'kay.p.12
16:41:14.1FOHOT-2go flaps eight one eighty.p.12
16:41:16.5◦CAM[sound of metallic clunk].p.12
16:41:27.7◦CAM[sound of thump].p.12
16:41:27.9FOHOT-2localizer's alive.p.12
16:41:29.2FOHOT-2flaps twenty one seventy.p.12
16:41:31.0◦CAM[sound of metallic clunk].p.12
16:41:34.6APRAPRAir Wisconsin seven fifty eight Alpha maintain one seven zero knots or greater to CUTSI contact tower.p.12
16:41:40.1CARDO-1going to tower Wisconsin seven fifty eight Alpha good day.p.12
16:41:45.6CAHOT-1hate it hate it when they don't give you, tower frequency. DCA08FA018p.12
16:42:06.3CARDO-1hello tower Wisconsin seven fifty eight Alpha is ILS five.p.13
16:42:13.0ATCTWRAir Wisconsin seven fifty eight Alpha Providence tower wind zero two zero at five runway five cleared to land.p.13
16:42:18.9◦CAM[sound of thump followed by metallic clunk].p.13
16:42:19.6CARDO-1cleared to land runway five Wisconsin seven fifty eight Alpha.p.13
16:42:22.3CAHOT-1[sound of throat clearing].p.13
16:42:28.5FOHOT-2let's goooo [sound of indeterminate vocalization].p.13
16:42:33.6FOHOT-2gear down.p.13
16:42:34.8FOHOT-2landing check to the line.p.13
16:42:34.8◦CAM[sound of clicks followed by a thump and general increase in background noise].p.13
16:42:50.3FOHOT-2flaps thirty one sixty.p.13
16:42:52.7◦HOT[sound of metallic click]. DCA08FA018p.13
16:43:02.8FOHOT-2and flaps forty five V-ref plus five.p.14
16:43:04.9◦CAM[sound of metallic click].p.14
16:43:06.4CAHOT-1landing gear.p.14
16:43:07.3FOHOT-2down three green.p.14
16:43:08.1CAHOT-1down three green flaps set forty five indicating forty five landing checks complete.p.14
16:43:50.6CAHOT-1thousand to minimums.p.14
16:43:53.4FOHOT-2okay.p.14
16:44:10.7ATCTWRattention all aircraft Providence altimeter two eight niner eight.p.14
16:44:14.3FOHOT-2wow.p.14
16:44:16.4FOHOT-2# *.p.14
16:44:17.2CAHOT-1shhh yeah.p.14
16:44:18.9FOHOT-2do I have to do anything? ahhh approach mode. DCA08FA018p.14
16:44:19.0CAHOT-1hey.p.15
16:44:21.5CAHOT-1yeah I don't know why it did that.p.15
16:44:23.5FOHOT-2I hit the, wrong button.p.15
16:44:25.4CAHOT-1oh. five hundred to minimums.p.15
16:44:29.2FOHOT-2'kay.p.15
16:44:31.8CAHOT-1[sound of throat clearing].p.15
16:44:32.2FOHOT-2autopilot's comin' off.p.15
16:44:32.4◦HOT[sound similar to autopilot disconnect cavalry horn].p.15
16:44:33.8CAHOT-1oh #.p.15
16:44:34.8FOHOT-2yup.p.15
16:44:35.6CAHOT-1ha.p.15
16:44:41.6◦HOTfive hundred [electronic voice]. DCA08FA018p.15
16:44:44.3ATCTWRSouthwest nine seventy five Providence tower wind zero two zero at five runway five cleared to land traffic's a CRJ one mile final.p.16
16:44:53.7FOHOT-2sorry folks.p.16
16:44:59.3CAHOT-1one hundred to minimums over there get to the right quick. lights in sight.p.16
16:45:04.2FOHOT-2lights in sight.p.16
16:45:04.7CAHOT-1runway's in sight. got it?p.16
16:45:05.8FOHOT-2got it.p.16
16:45:06.5CAHOT-1alrightp.16
16:45:08.1◦HOT[sound similar to cough].p.16
16:45:08.3FOHOT-2#.p.16
16:45:09.0CAHOT-1(jump back).p.16
16:45:09.2FOHOT-2sorry man.p.16
16:45:09.8CAHOT-1that's all right. DCA08FA018p.16
16:45:10.9CAHOT-1here you want me to take it?p.17
16:45:12.0FOHOT-2(I).p.17
16:45:12.4CAHOT-1I got it. go ahead.p.17
16:45:13.0FOHOT-2you got it.p.17
16:45:14.0FOHOT-2your plane.p.17
16:45:14.3◦HOTminimums [electronic voice].p.17
16:45:14.7CAHOT-1my plane.p.17
16:45:15.7FOHOT-2sorry man.p.17
16:45:16.3CAHOT-1that's alright.p.17
16:45:18.1◦HOTsink rate [electronic voice] [electronic whooping tone] pull up [electronic voice].p.17
16:45:20.1◦CAM[sound similar to stick shaker].p.17
16:45:21.0◦HOT[stall warning warbling electronic tone].p.17
16:45:21.1◦HOTten [electronic voice]. DCA08FA018p.17
16:45:21.3CAHOT-1[grunting sigh].p.18
16:45:22.2CAHOT-1oh # that # man.p.18
16:45:22.8◦HOT[sound similar to master caution warning chime].p.18
16:45:25.4◦HOT[sound similar to master caution warning chime].p.18
16:45:28.1CAHOT-1my bad man I shoulda gone around.p.18
16:45:30.9◦CAM[sound similar to mechanical rattle].p.18
16:45:33.7CAHOT-1oh no.p.18
16:45:34.8FOHOT-2oh #.p.18
16:45:36.2◦HOT[sound similar to master caution warning chime].p.18
16:45:39.4◦HOT[sound similar to master caution warning chime].p.18
16:45:40.4CAHOT-1oh #.p.18
16:45:43.2CAHOT-1well.p.18
16:45:43.6ATCTWRSouthwest nine seventy five go around please. DCA08FA018p.18
16:45:47.4CAHOT-1alright man let's ah.p.19
16:45:49.4◦HOT[sound similar to master caution warning chime].p.19
16:45:56.9ATCTWRSouthwest nine sev- air, the ah fire truck's on the way.p.19
16:46:02.8CAHOT-1alright let's ah turn on the lights and do the ah.p.19
16:46:11.1CAINT-1ah folks ah will you please ah remain seated we'll get right to ya.p.19
16:46:15.1INTINT[sound similar to cabin interphone chime].p.19
16:46:18.5CAHOT-1tell tower we can ah, tell tower we'd like to roll the trucks out here just in case.p.19
16:46:21.5FOHOT-2*.p.19
16:46:24.1FOHOT-2ah huh. DCA08FA018p.19
16:46:25.0FORDO-2tower Wisconsin seven fifty eight Alpha roll the trucks please.p.20
16:46:25.4INTINT[sound similar to cabin interphone chime].p.20
16:46:27.9CAINT-1hey man do you see any ah fires or anything?p.20
16:46:30.0OBHOT-3no.p.20
16:46:30.0ATCTWRWisconsin seven fifty eight Alpha they're on their way.p.20
16:46:30.5CAINT-1okay just ah hang tight we're rollin' the trucks and ah we'll get ah right back to ya.p.20
16:46:35.8OBHOT-3okay.p.20
16:46:36.3CAINT-1okay.p.20
16:46:44.8RESRESProvidence tower rescue three zero six.p.20
16:46:47.7ATCTWRrescue three zero six Providence tower.p.20
16:46:49.6RESRESyes sir I'd like clearance on the runway via ahhh right here by the access. DCA08FA018p.20
16:46:55.5ATCTWRrescue three zero six proceed as requested.p.21
16:46:58.3RESRESthree zero six proceeding on the runway I got ah my convoy behind me.p.21
16:47:03.5ATCTWRrescue three zero six roger proceed as requested with all vehicles.p.21
16:47:04.2CAHOT-1ah let's go ahead and ah shut her down, let's do the ah, we won't ah evacuate yet we're just gonna shut it down.p.21
16:47:20.0FOHOT-2okay.p.21
16:47:21.4CAHOT-1APU is still runnin'.p.21
16:47:23.9FOHOT-2okay.p.21
16:47:33.4FOHOT-2[sound similar to 6 consecutive master caution warning chimes].p.21
16:47:39.2FOHOT-2go ahead and shut her down?p.21
16:47:44.8◦CAM[background sounds consistent with engines winding down]. DCA08FA018p.21
16:47:48.6RESRESand tower rescue three zero six is with the aircraft ahhh are you in contact with the aircraft?p.22
16:47:49.5FOHOT-2leave the seatbelt sign on?p.22
16:47:51.3CAHOT-1yeah for right now.p.22
16:47:54.1ATCTWRaffirmative.p.22
16:47:55.8RESRESdo we have any passengers on board that need any medical attention?p.22
16:47:59.7ATCTWRAir Wisconsin seven fifty eight Alpha do you have any passengers that need * medical attention.p.22
16:48:01.2CAHOT-1tell 'em we'll get back to him.p.22
16:48:02.6FOHOT-2okay.p.22
16:48:04.4FORDO-2ah we'll get back to you in one moment seven fifty eight Alpha.p.22
16:48:05.4OBHOT-3yes sir.p.22
16:48:05.8CAINT-1hey do we need * anybody ah that has ah medical attention is everyone okay? DCA08FA018p.22
16:48:07.2ATCTWRroger.p.23
16:48:09.1ATCTWRdid you hear that?p.23
16:48:10.1OBHOT-3no everybody's okay.p.23
16:48:10.7RESRESthree oh six received thank you.p.23
16:48:11.0CAINT-1okay cool deal ahm I guess we're just gonna hang out here until we ah get somebody to ah pick us all up.p.23
16:48:18.8OBHOT-3okay.p.23
16:48:19.3CAINT-1and ahm we'll go from there I don't see any fires we got it shut down we'll communicate with them with the ah ahm fire trucks out here and make sure everything's okay we'll get right back to ya I'll make an announcement.p.23
16:48:25.6RESRESand Providence tower rescue three oh six could you ask the ah pilot to pop the door open?p.23
16:48:30.3OBHOT-3okay.p.23
16:48:32.7ATCTWRAir Wisconsin seven fifty eight Alpha can you open up the aircraft? DCA08FA018p.23
16:48:36.3CARDO-1yeah we can.p.24