No fatalities

Ryanair Boeing 737-800 Depressurization Incident (EI-DLI)

Dublin, Ireland

On May 20, 2011, a BOEING B737 800 operated by Ryanair was involved in an aviation accident near Dublin, Ireland. No fatalities were reported. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

A Ryanair Boeing 737-800 (EI-DLI) experienced a depressurization on May 20, 2011, while en route from Liverpool to Dublin. No injuries or damage were reported. The AAIU of Ireland is investigating.

Incident Overview On May 20, 2011, at 2110 UTC, a Boeing 737-800 with Irish registration EI-DLI, operated by Ryanair, experienced a depressurization while en route from Liverpool, England, to Dublin, Ireland. ## Outcome The incident resulted in no injuries to the six crew members or 60 passengers on board. The aircraft sustained no damage. ## Investigation The event is being investigated by the Air Accidents Investigation Unit (AAIU) of Ireland. For further information, the AAIU can be reached at www.aaiu.gov.ie. ## Aircraft and Operator - Aircraft Type: Boeing 737-800 - Registration: EI-DLI - Operator: Ryanair - Date: May 20, 2011 - Time: 2110 UTC - Route: Liverpool, England to Dublin, Ireland - Passengers: 60 - Crew: 6 - Injuries: None - Damage: None