# Accident 20071225830739A: Doug MD83, Ontario, CA, December 25, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 25, 2007, 09:25 local time
- Place: Ontario, CA
- Damage: Minor damage
- Phase of flight: Descent
- Operating rules: Air carrier (Part 121)
- Operator: ASAA
- Location: 34.0561° N, 117.6011° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.0561&lon=-117.6011&mi=10
- Aircraft: N943AS, a cancelled registration (https://openairdocs.org/deregistered/N943AS-2008-06-12) (OpenAirDocs)
- Registry model: Mcdonnell Douglas DC-9-83(MD-83) (registry code 3022083, https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D series (registry code 52053, https://openairdocs.org/engine/pratt-whitney-jt8d-series) (OpenAirDocs)
- Reported make and model: DOUG MD83
- People aboard: 104
- Fatal injuries: 0
- Pilot flight hours: 7,833 total, 461 in this make and model, 92 in the last 90 days
- NTSB investigation: [NTSB SEA08LA050](https://openairdocs.org/ntsb/SEA08LA050) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20071225830739A

## Narrative

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

(-23) ALASKA FLIGHT ASA 464 ENCOUNTERED MODERATE/SEVERE TURBULENCE DURING DESCENT TO ONTARIO, CA. TURBULENCE WAS ENCOUNTERED AT 8,300 FEET AND RESULTED IN INJURIES TO TWO FLIGHT ATTENDANTS. PILOT REQUESTED AND RECEIVED EXPEDITED HANDLING FOR A VISUAL APPROACH TO R/W 8L. SURFACE WIND ONT @ 1653Z (0853L) 05/23G37. ONT TOWER MANAGER STATED SIGMET (GI W4) INDICATING SEVERE TURBULENCE BELOW 12,000 FEET ISSUED BY ZLAWC AT 251450Z(6:50AM), WAS NOT BROADCAST ON ATIS FREQUENCY.

## 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 SEA08LA050](https://openairdocs.org/ntsb/SEA08LA050), Dec 25, 2007: Mcdonnell Douglas DC-9-83 (N943AS), Ontario, CA, no damage. Probable cause: The lack of turbulence forecasts available to the flight crew, which resulted in the flight attendants not being seated when the flight encountered severe terrain-induced turbulence. Contributing to…

## Other reports on N943AS (1)

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

- [Incident 20051125028269I](https://openairdocs.org/incident/20051125028269I), Nov 25, 2005: Doug DC983 (N943AS), Seattle, WA, Minor damage. (-23) Left wing tip struck a fuel truck during taxi. The aircraft was taxiing into gate D-5 in what was described by the marshaller as "too fast." The fuel…

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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