Ryanair B738 at Seville on Oct 27th 2010, passenger blown over
Last Update: April 18, 2013 / 12:52:07 GMT/Zulu time
Incident Facts
Date of incident
Oct 27, 2010
Classification
Accident
Airline
Ryanair
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
The accident took place when the jet blast from the aircraft reached a passenger, throwing her to the ground. This was because the angle of incidence of the jet blast changed as the aircraft turned to leave the parking stand, allowing the jet blast to strike the passenger even though she was standing behind the jet blast barrier.
EI-EBR was preparing for departure at stand 10, while another aircraft was about to be boarded at stand 11. Passengers going to embark EI-EKI at stand 11 were walking towards the aircraft on walkways that were protected by jet blast fences, the fences however features gaps to permit people walking to the aircraft.
After EI-EBR started engines the boarding was halted and passengers were stopped behind the jet blast fences clear of the gaps. When EI-EBR turned to move out of the stand the jet blast however was able to reach some of the passengers, even though they were behind the jet blast barrier, and threw them to the ground. One woman received a fractured arm.
The CIAIAC reported that they got to know about the accident only two months after the occurrence, none of the cockpit voice and flight data recorders had such been preserved, the accident crew remained unaware of the accident during their flight and departed normally.
The quick access recorder data however were still available and showed that the crew of EI-EBR had applied 39% N1 on the left and 38.3% N1 on the right hand engine with the operations manual stating about 30-35% N1 were necessary to turn the aircraft. The CIAIAC analysed: "Even though during the maneuver the aircraft slightly exceeded the values provided in the operations manual, reaching an N1 of 39%, what really affected the passengers was the angle at which the jet blast crossed the gap in the barrier and which allowed the blast to reach the passengers who, though behind the barrier, were too close to the gap."
The CIAIAC analysed with respect to the boarding process: "During the boarding in Seville, once the aircraft departing from stand 10 turned on its anti-collision lights, the boarding of the aircraft at stand 11 was interrupted. The passengers were behind the jet blast barriers but not sufficiently far away from the end to keep the jet blast from affecting them once the aircraft turned.
In its boarding procedure, the airline did not consider the fact that the angle of incidence of the jet blast from a turning aircraft could affect passengers or persons who, though behind the barrier, might be too close to the end of the barrier. The changes made as part of the last revision to the procedure does take into account this situation."
Incident Facts
Date of incident
Oct 27, 2010
Classification
Accident
Airline
Ryanair
Aircraft Type
Boeing 737-800
ICAO Type Designator
B738
This article is published under license from Avherald.com. © of text by Avherald.com.
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