# N933ML: Douglas DC-9-31, registration cancelled 1993-06-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 8, 1993
- Exported to: Venezuela
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (registry code 3022065)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (OpenAirDocs)
- Serial number: 47548
- Type of aircraft: Fixed wing multi engine
- Certificate issued: April 13, 1993
- Last registry action: April 15, 1993
- Mode S code: ACF1EC
- Owner when cancelled: [Global Aircraft Sales Inc](https://openairdocs.org/faa-owner/GLOBAL%20AIRCRAFT%20SALES%20INC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7236° N, 75.5412° W: Placed by OpenAirDocs at the center of ZIP code 19801, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N933ML
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=933ML
- Page: https://openairdocs.org/deregistered/N933ML-1993-06-08

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Douglas DC-9-31: https://openairdocs.org/model/douglas-dc-9-31.md

## NTSB investigations (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.

## FAA accident and incident reports (4)

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.

- [Incident 19910529022919I](https://openairdocs.org/incident/19910529022919I), May 29, 1991: Doug DC931 (N933ML), Kansas City, MO. Encountered clear air turbulence on descent. Three passengers and two flight attendants injured. A seat belt broke.
- [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.

## Other aircraft with N933ML

- [Registered now](https://openairdocs.org/aircraft/N933ML): Bombardier BD-700-1A11, S/N 9504, built 2012

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