ASN logo
Date:Thursday 17 May 2012
Type:Silhouette image of generic AT75 model; specific model in this crash may look slightly different
ATR 72-212A (ATR 72-500)
Operator:Air Dolomiti
Registration: I-ADCD
MSN: 664
First flight: 2001-04-17 (11 years 1 months)
Total airframe hrs:20333
Engines: 2 Pratt & Whitney Canada PW127F
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 58
Total:Fatalities: 0 / Occupants: 62
Aircraft damage: Substantial
Aircraft fate: Repaired
Location:München-Franz Josef Strauss Airport (MUC) (   Germany)
Phase: Landing (LDG)
Nature:International Scheduled Passenger
Departure airport:München-Franz Josef Strauss Airport (MUC/EDDM), Germany
Destination airport:Venice-Marco Polo Airport (VCE/LIPZ), Italy
An ATR 72-500 passenger plane sustained damage in a runway excursion accident at München-Franz Josef Strauss Airport (MUC), Germany. There were 58 passengers and four crew members on board. Six passengers sustained minor injuries.
Lufthansa subsidiary Air Dolomiti operated flight LH1912 from Munich to Venice, Italy. The flight departed at 13:34. Shortly after takeoff smoke was reported in the cabin. The captain decided to return to Munich.
After receiving clearance to descend to FL110, engine power was reduced. At that time the flight crew noted a Master Caution alert and a fire warning for engine no.2. The pilots fired the extinguishing bottle in engine no.2 and proceeded to shut it down.
The descent was continued while the flight crew worked the appropriate checklists.
After landing on runway 26L, the ATR 72 began turning left until it ran off the side of the runway. The airplane went into the grass and came to rest with the nose gear collapsed.

Probable Cause:

It was found that the engine failure was caused by a broken turbine blade in the second stage of the power turbine. The turbine blade above the root in the area of the wing had fractured due to fatigue fracture followed by residual fracture due to tensile overload.
It was also found that the Travel Limiter Unit (TLU), which limits the travel of the rudder, was in high-speed mode and could only be moved to a limited extent.

Accident investigation:
Investigating agency: BFU Germany
Status: Investigation completed
Duration: 8 years and 3 months
Accident number: BFU AX002-12
Download report: Final report
Language: English

Runway excursion



photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD
photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD
photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from München-Franz Josef Strauss Airport to Venice-Marco Polo Airport as the crow flies is 317 km (198 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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Global Action Plan for the Prevention of Runway Excursions (GAPPRE): recommendations and guidance material to prevent runway excursions

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