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ASN Wikibase Occurrence # 203051
Last updated: 22 April 2019
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Date:20-JUL-2014
Time:15:16 UTC
Type:Silhouette image of generic A319 model; specific model in this crash may look slightly different
Airbus A319-111
Owner/operator:easyJet Switzerland
Registration: HB-JZQ
C/n / msn: 2450
Fatalities:Fatalities: 0 / Occupants: 156
Other fatalities:0
Aircraft damage: None
Category:Accident
Location:5 NM N of LAMUR -   Switzerland
Phase: En route
Nature:International Scheduled Passenger
Departure airport:Olbia-Costa Smeralda Airport (OLB/LIEO)
Destination airport:Basel/Mulhouse/Freiburg EuroAirport (BSL/LFSB)
Investigating agency: STSB Switzerland
Narrative:
On 20 July 2014, the Airbus A319-111 with registration number HB-JZQ took off from Olbia airport at 14:25 UTC bound for to Basel-Mulhouse Airport. During the descent phase, the reference change from Mach to knots of the target speed did not take place and the aircraft speed gradually increased until the maximum permissible operating speed was reached. The pilot reacted by abruptly pulling the sidestick, inducing a load factor of 2.33 g. Three of the four cabin crew members were thrown to the ground and one of them sustained serious injuries to his left ankle.
The aircraft landed safely at the destination airport. The injured crew member was transported to the hospital.

Causes
The accident was caused by an abrupt action to pitch up to the stop on the left side-mounted sidestick. This action created a vertical acceleration of 2.33 g, causing a cabin crew member to fall and sustain a serious injury.
Contributing factors:
- The change from Mach to speed did not take place in selected speed mode;
- Improperly monitoring of flight parameters by the operating pilot;
- Inappropriate management of descent modes when approaching the maximum allowable speed in operation by the active pilot.

Sources:

https://www.sust.admin.ch/inhalte/AV-berichte/2296.pdf

Accident investigation:
cover
  
Investigating agency: STSB Switzerland
Status: Investigation completed
Duration: 3 years and 5 months
Download report: Final report


Images:

Photo of HB-JZQ courtesy AirHistory.net


Berlin - Schönefeld (EDDB / SXF)
9 June 2010; (c) Mick Bajcar

Revision history:

Date/timeContributorUpdates
17-Dec-2017 16:10 harro Added

Corrections or additions? ... Edit this accident description