# NTSB CHI89IA104: Mcdonnell Douglas DC-10, N1848U, Garden City, KS, June 6, 1989

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Incident investigation · Final report
- Date: June 6, 1989, 17:20 local (22:20 UTC)
- Place: Garden City, KS
- Coordinates: 37.970401, -100.860778 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.9704&lon=-100.8608&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 24 minor, 221 uninjured
- Status: Completed, report August 26, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 14284
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI89IA104
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14284/pdf
- Page: https://openairdocs.org/ntsb/CHI89IA104

## Probable cause

THE FAILURE OF SOME OF THE PASSENGERS TO FOLLOW THE CAPTAIN'S INSTRUCTIONS TO FASTEN THEIR LAP BELTS.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight encounter with weather, cruise
  - weather condition - turbulence,clear air (contributing factor)
  - instructions,written/verbal - not followed, passenger (cause)

## Analysis

A DC-10, A SCHEDULED COMMERCIAL FLIGHT, EXPERIENCED CLEAR AIR TURBULENCE AT FL370 WHILE TRANSITIONING A LINE OF SEVERE THUNDERSTORMS. WHEN THE AIRPLANE ENCOUNTERED TURBULENCE, SEVERAL PASSENGERS SUSTAINED MINOR INJURIES. SOME PASSENGERS HAD NOT HEEDED THE CAPTAIN'S INSTRUCTION TO BUCKLE UP.

## Aircraft

- Registration: N1848U (not matched to a registry record)
- Reported make and model: MCDONNELL DOUGLAS DC-10
- Category: Airplane
- Engines: GE CF-6 40000 lbs thrust turbo fan
- Damage: No damage
- Flight: Part 121
- Operator: United Airlines
- Airworthiness certificate: Standard, Transport
- Departed: LAX, LOS ANGELES, CA
- Destination: ORD, CHICAGO, IL
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airline transport; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 270° at 33 knots
- Temperature: -0 °F, dew point -0 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19890606014379I](https://openairdocs.org/incident/19890606014379I), Jun 6, 1989: Doug DC1010, Lamar, CO, Minor damage. Deviating around thunderstorms encountered strong downdraft and turbulence.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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