Cases › DCA16CA214 › The analyst
BOEING 737 924United 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.
2
timed facts
8
precedents
8
passages to ask
Ask the docket
passages, not paraphrasesTry
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
2 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- 12:17:21 CDTFDRDescentp.3Data indicated vertical acceleration variations ranging between 1.70 g's and 0.60 g's began (approximately 28 minutes before touchdown)see the traces at this moment ↗
- 12:18:19 CDTFDRDescentp.3Vertical acceleration variations settled to about 1 g; aircraft had descended from a pressure altitude of about 29,100 ft to 26,710 ft while AP Cmd-B was selectedsee the traces at this moment ↗
Recorder events without a clock time
- 1215 CDT (approximate)United Airlines flight 1945 encountered moderate turbulence at flight level 290 near Waco, Texas while on descent to land at George Bush Intercontinental Airport, Houston, Texas
Quick Access Recorder Factual Report · 3 events extracted by claude-sonnet-5
How the Board coded the sequence
- Enroute-descent: Turbulence encounter
Precedents
8 closest casesranked by what happened, in the Board's words, and by the findings and occurrences it coded- BOEING 767 · UNITED AIR LINES INCHONOLULU, PO
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 737-924ER · UNITED AIRLINES INCFort Myers, FL
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 767 322 · United AirlinesInternational Waters, A1
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - Boeing 767 · UNITED AIR LINES INCSan Juan, PR
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 767-322 · UNITED AIRLINES INCKingston, CB
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 757 2B7 · American AirlinesPhiladelphia, PA
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 737 7H4 · Southwest AirlinesCape Coral, FL
- ●Environmental issues › Conditions/weather/phenomena › Turbulence
Turbulence encounter - BOEING 737-8 · American Airlines IncMiami, 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 causeFindings the Board cited in those cases
- 8 of 8Environmental issues › Conditions/weather/phenomena › Turbulencecited here too
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
- DCA15LA0672015-02-15 · BOEING 767 · UNITED AIR LINES INC
an encounter with convective turbulence associated with a forecasted area of thunderstorms.
- 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.
- DCA16CA2202016-08-31 · BOEING 767 322 · United Airlines
an inadvertent encounter with severe convective turbulence.
- DCA19CA1892019-07-22 · Boeing 767 · UNITED AIR LINES INC
An encounter with convective turbulence during cruise flight.
- DCA25LA0232024-11-03 · BOEING 767-322 · UNITED AIRLINES INC
An inadvertent encounter with convective turbulence while in enroute cruise flight.
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).