Accident Swearingen SA227-AC Metro III PH-DYM,
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Date:Monday 19 September 2005
Type:Silhouette image of generic SW4 model; specific model in this crash may look slightly different    
Swearingen SA227-AC Metro III
Owner/operator:Dynamic Air
Registration: PH-DYM
MSN: AC-523
Year of manufacture:1982
Engine model:Garrett TPE331-11U-611G
Fatalities:Fatalities: 0 / Occupants: 19
Aircraft damage: Substantial, written off
Location:Rotterdam Airport (RTM) -   Netherlands
Phase: Take off
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:Rotterdam Airport (RTM/EHRD)
Destination airport:Birmingham International Airport (BHX/EGBB)
Investigating agency: Dutch Safety Board
Confidence Rating: Accident investigation report completed and information captured
A Swearingen SA.227AC Metro III passenger plane, registered PH-DYM, sustained substantial damage in a takeoff accident at Rotterdam Airport (RTM), Netherlands. All 17 passengers and two crew members survived. The airplane operated on a charter flight from Rotterdam Airport (RTM) to Birmingham International Airport (BHX).
The aircraft taxied to the beginning of runway 24 and lined up for takeoff. During line-up, the speed levers for the engines were moved from taxi position to flight position. The nose wheel steering fault indicator lit up and the first officer, who was steering the aircraft, responded by saying that he had no nose wheel steering. The captain informed the first officer that he had forgotten to press the switch on the throttles, which activates the nose wheel steering system. The first officer then confirmed that he had nose wheel steering.
The aircraft almost immediately began moving towards the left hand side of the runway. The first officer tried to use the brakes and the directional rudder to return the aircraft to the centre of the runway. The aircraft had a speed of between 50 and 60 knots at that point. The crew rejected the takeoff but could not prevent the aircraft ending up alongside the runway, on the left hand side.
The grass area alongside the runway is lower than the runway and the ground was soft. The left landing gear sank in the soft ground first and, as a result, the aircraft decelerated heavily and the left landing gear broke off almost immediately. The tip of the left wing struck the ground. This caused a ground loop effect and turned the aircraft further left. As a consequence the right landing gear and the nose gear also broke off.
Once the aircraft had come to a standstill, the captain switched off all onboard systems and cut off the fuel supply to the engines. Simultaneously, the first officer was given the task of evacuating the passengers. The passengers were calm and left the aircraft without problems via the left hand door at the front of the aircraft. A moment later, the airport fire service arrived at the location of the accident. There was severe damage despite the relatively slow speed at which the aircraft left the runway.

CONCLUSION: "This accident was caused by an hydraulic leakage in the nose wheel steering system. The tyre tracks on the runway implied that the steering problem had occurred from the beginning of the take-off. The crew intervened as soon as after the nose wheel switch had been released and the nose wheel steering fault came on but were unable to prevent the aircraft leaving the runway."

Accident investigation:
Investigating agency: Dutch Safety Board
Report number: 2005134
Status: Investigation completed
Duration: 5 years and 5 months
Download report: Final report




photo (c) Harro Ranter; Rotterdam Airport (RTM); 25 February 2005; (CC:by-nc-nd)

Revision history:


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