# NTSB DCA12WA060: Boeing 737, Lugano, Switzerland, April 4, 2012

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Foreign investigation
- Date: April 4, 2012, 09:09 local (09:09 UTC)
- Place: Lugano, Switzerland
- Highest injury: Minor injuries
- Injuries: 13 minor, 127 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 83362
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA12WA060
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/83362/pdf
- Page: https://openairdocs.org/ntsb/DCA12WA060

## Factual narrative

On April 4, 2012, at approximately 0909 UTC, a RyanAir B737-800, registration EI-DAH, operated by RyanAir, experienced a loss of cabin pressure near Lagano, Switzerland, during a scheduled passenger flight between Bergamo, Italy and Nottingham, United Kingdom. There was no damage to the aircraft and no serious injuries to the 6 crew and 121 passengers; 13 passengers reported minor injuries. The investigation of the incident was delegated to the German Federal Bureau of Aircraft Accidents Investigation (BFU) by the Swiss Accident Investigation Board (SAIB). The NTSB has appointed an Accredited Representative to assist the investigation under the provisions of ICAO Annex 13 as the State of Manufacture and Design of the airplane. All inquiries should be directed to: German Federal Bureau of Aircraft Accidents Investigation Hermann-Blenk-Str. 16 38108 Braunschweig Germany Website: http://www.bfu-web.de

## Aircraft

- Registration: EI-DAH (not matched to a registry record)
- Reported make and model: BOEING 737 (8AS)
- Damage: No damage
- Flight: Part 121
- Operator: Ryan International Airlines Inc
- Registered owner: Ryan International Airlines Inc

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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