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Cases › DCA16CA220 › The analyst

BOEING 767 322United Airlines

What the docket says, assembled. No language model is involved, so nothing on this page can be invented — every line traces to a recorder, a report page or the Board's own record.

6
timed facts
8
precedents
11
passages to ask

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passages, not paraphrases
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Every answer is a passage of the docket with the page it came from, or the words “not in the docket”. Nothing is summarised or reasoned for you — read the source.

One timeline

6 timed factsthe recorder events from the FDR report, with the transcript's warnings, callouts, the words nearest each event and the final seconds — on one clock, as printed in each report
  1. 02:10:28 UTCFDRCruisep.3
    FDR data indicated the start of vertical acceleration variations, about 5 hours and 43 minutes after takeoff
  2. 02:10:28 to 02:11:50 UTCFDRCruise (turbulence encounter)p.3
    Vertical acceleration variations ranging between 1.60 g's and -0.41 g's before settling to about 1 g; pressure altitude varied between 34,302 ft and 33,805 ft before returning to approximately 34,000 ft
  3. 04:23:40 UTCFDRDescentp.3
    The aircraft began its descent from 34,000 ft, about 2 hours and 13 minutes after the start of the vertical acceleration variations
  4. 04:51:01 UTCFDRLandingp.3
    The aircraft landed
  5. 04:55:11 UTCFDRPost-landingp.3
    End of the FDR recording
  6. 20:15:00 UTC (Aug 30, 2016)FDRPre-departure/Cruisep.3
    Start of FDR data plots (figures 1 to 3) covering the entire flight
Flight Data Recorder - Specialist’s Factual Report · 6 events extracted by claude-sonnet-5
How the Board coded the sequence
  1. Enroute-cruise: Turbulence encounter

Precedents

8 closest casesranked by what happened, in the Board's words, and by the findings and occurrences it coded
  • DCA19CA1892019-07-22no fatalitiesmatch 104
    Boeing 767 · UNITED AIR LINES INC
    San Juan, PR
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA25LA2382025-06-16no fatalitiesmatch 103
    BOEING 737-924ER · UNITED AIRLINES INC
    Fort Myers, FL
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA16CA2142016-08-17no fatalitiesmatch 103
    BOEING 737 924 · United Airlines
    Waco, TX
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA23LA3822023-07-28no fatalitiesmatch 103
    BOEING 737-924ER · UNITED AIRLINES INC
    Myrtle Beach , AO
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA15LA0672015-02-15no fatalitiesmatch 103
    BOEING 767 · UNITED AIR LINES INC
    HONOLULU, PO
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA25LA1732025-03-27no fatalitiesmatch 102
    BOEING 787 · UNITED AIRLINES INC
    Claveria, OF
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA25LA0232024-11-03no fatalitiesmatch 102
    BOEING 767-322 · UNITED AIRLINES INC
    Kingston, CB
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter
  • DCA23LA4772023-02-10no fatalitiesmatch 101
    BOEING 757 · UNITED AIRLINES INC
    Lake Butler, FL
    • ●Environmental issues › Conditions/weather/phenomena › Turbulence
    Turbulence encounter

What the record says

a pattern, not a findingacross the 8 closest cases · 8 carry coded findings · 8 have a probable cause
Findings the Board cited in those cases
Occurrences it coded
  • 8 of 8Turbulence encounter
Set against the Board’s own findings for this case
Cited here, and common in the precedents
  • Conditions/weather/phenomena › Turbulence
Cited here, not seen in the precedents
  • —
Common in the precedents, not cited here
  • —

A teaching device, not a verdict: what the record would have looked at, next to what the Board found.

In the Board’s words — the closest cases
  • DCA19CA1892019-07-22 · Boeing 767 · UNITED AIR LINES INC
    An encounter with convective turbulence during cruise flight.
  • DCA25LA2382025-06-16 · BOEING 737-924ER · UNITED AIRLINES INC
    The airplane’s inadvertent encounter with convective turbulence during descent, which resulted in serious injuries to two flight attendants.
  • DCA16CA2142016-08-17 · BOEING 737 924 · United Airlines
    an encounter with convective turbulence.
  • DCA23LA3822023-07-28 · BOEING 737-924ER · UNITED AIRLINES INC
    An encounter with convectively induced turbulence (CIT) while in cruise flight.
  • DCA15LA0672015-02-15 · BOEING 767 · UNITED AIR LINES INC
    an encounter with convective turbulence associated with a forecasted area of thunderstorms.

This is the pattern in the NTSB’s own record across similar accidents — which findings it cited, what it coded, what it recommended. It is drawn from the record, not written about this case, and it never assigns blame: investigations exist to prevent the next accident (ICAO Annex 13).