# Incident 19910529022919I: Doug DC931, Kansas City, MO, May 29, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 29, 1991, 13:00 local time
- Place: Kansas City, MO
- Airport: Kansas City International
- Phase of flight: Descent
- Operating rules: Air carrier (Part 121)
- Operator: MIDA
- Location: 39.2976° N, 94.7139° W: Placed by OpenAirDocs at KANSAS CITY INTL (MCI), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2976&lon=-94.7139&mi=10
- Aircraft: N933ML, a cancelled registration (https://openairdocs.org/deregistered/N933ML-1993-06-08) (OpenAirDocs)
- Registry model: Douglas DC-9-31 (registry code 3022065, https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Reported make and model: DOUG DC931
- People aboard: 41
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI91IA175](https://openairdocs.org/ntsb/CHI91IA175) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910529022919I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENCOUNTERED CLEAR AIR TURBULENCE ON DESCENT. THREE PASSENGERS AND TWO FLIGHT ATTENDANTS INJURED. A SEAT BELT BROKE.

## The NTSB's investigation of this event (1)

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.

- [NTSB CHI91IA175](https://openairdocs.org/ntsb/CHI91IA175), May 29, 1991: Douglas DC-9-32 (N933ML), Kansas City, MO, incident, no damage. Probable cause: INADEQUATE DESIGN BY THE MANUFACTURERS. FACTORS ASSOCIATED WITH THE INCIDENT ARE INADEQUATE CERTIFICATION/APPROVAL BY THE FEDERAL AVIATION ADMINISTRATION AND CLEAR AIR TURBULENCE.

## Other reports on N933ML (3)

Matched to the same aircraft by N-number and date.

- [Incident 19900520026029I](https://openairdocs.org/incident/19900520026029I), May 20, 1990: Doug DC931 (N933ML), Pittsburgh, PA. Drop in NR2 engine oil quantity. Diverted and landed. Stud on oil filter pulled out and oil leaked from filter.
- [Incident 19850910049289I](https://openairdocs.org/incident/19850910049289I), Sep 10, 1985: Doug DC931 (N933ML), Chicago, IL. Runaway trim stopped by pulling circuit breaker during climb. Returned and replaced servo.
- [Incident 19840224012099I](https://openairdocs.org/incident/19840224012099I), Feb 24, 1984: Doug DC931 (N933ML), Chicago, IL. All flight crew reported being lightheaded and nauseous. No cause except that the crew had not eaten for 9 hours.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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