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Accident
Last updated: 19 August 2018
Status:Definitief
Datum:dinsdag 20 januari 2015
Tijd:10:55
Type:Silhouette image of generic F100 model; specific model in this crash may look slightly different
Fokker 100
Operated by:Helvetic Airways
On behalf of:Swiss International Air Lines
Registratie: HB-JVE
Constructienummer: 11459
Bouwjaar: 1993-06-01 (21 years 8 months)
Aantal vlieguren:51879
Aantal vluchten:37191
Motoren: 2 Rolls-Royce Tay 650-15
Bemanning:slachtoffers: 0 / inzittenden:
Passagiers:slachtoffers: 0 / inzittenden:
Totaal:slachtoffers: 0 / inzittenden:
Schade: Groot
Gevolgen: Repaired
Plaats:Nürnberg Airport (NUE) (   Duitsland)
Fase: Geparkeerd (STD)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Nürnberg Airport (NUE/EDDN), Duitsland
Vliegveld van aankomst:Zürich-Kloten Airport (ZRH/LSZH), Zwitserland
Vluchtnummer:LX1189
Beschrijving:
A Fokker 100 sustained substantial damage when the APU suffered an uncontained failure while on the ground at Nürnberg Airport (NUE), Germany.
Swiss International Air Lines flight LX1189 was preparing for departure to Zurich, Switzerland and the doors of the aircraft were closed. The aircraft was being de-iced when the de-icing employee heard the APU revving up. This was followed by a loud bang. After a second loud bang the APU stopped. Debris from the APU engine penetrated the pressure bulkhead and smoke appeared in the passenger cabin. The passengers were directed to the front of the cabin and all occupants left the plane through the forward exit.

The APU air intake is located on the right of the fuselage, on the transition from the fin to the fuselage. De-icing fluid can easily enter through the open air intake when the APU is in operation. Furthermore, the de-icing agent causes a strong fog when applied, due to the difference in temperature. This restricts the visibility of the air intake. In addition, the area around the air inlet of the APU is not marked, making it harder to notice the location of the intake.
The BFU notes that a safety recommendation of the NTSB following a similar accident, requested the APU to be switched off when the aircraft is de-iced. This measure had not been implemented in Europe.

Probable Cause:

Conclusions:
The failure of the APU and the resulting consequential damage was due to the intake and combustion of de-icing fluid. Visual restrictions and inadequate marking have contributed to the accident.

Accident investigation:
cover
Investigating agency: BFU Germany
Status: Investigation completed
Duration: 3 years
Accident number: BFU AX001-15
Download report: Final report

Bronnen:
» BFU AX001-15


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BFU issued 3 Safety Recommendations

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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Nürnberg Airport en Zürich-Kloten Airport bedraagt 291 km (182 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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