# NTSB DCA10WA005: Boeing 737, Budapest, Hungary, October 22, 2009

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: October 22, 2009
- Place: Budapest, Hungary
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- Parties: The Boeing Company
- NTSB case key (mKey): 74971
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA10WA005
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/74971/pdf
- Page: https://openairdocs.org/ntsb/DCA10WA005

## Factual narrative

On October 22, 2009, a Sky Airlines Boeing 737-400, registration TC-SKD, conducted an emergency descent due to a rapid decompression and diverted to Budapest Ferihegy International Airport (LHSM), Budapest, Hungary. There were no injuries to the 6 crew members onboard and the airplane was not damaged. The flight was enroute from Düsseldorf International Airport (EDDL), Düsseldorf, Germany, to Antalya Airport (LTAI), Antalya, Turkey. The investigation is being conducted by the Hungary Transportation Safety Bureau. The NTSB has assigned an Accredited Representative to assist the investigation under the provisions of ICAO Annex 13 as the Country of Manufacture and Design of the airplane.

## Aircraft

- Registration: TC-SKD (not matched to a registry record)
- Reported make and model: BOEING 737 (400)
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Sky Airlines
- Airworthiness certificate: Standard, Transport
- Departed: EDDL, DUSSELDORF
- Destination: ITAI, Antalya
- Flight plan: IFR
- Airport: LHSM, Budapest International Airport

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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