Event Details

Title:Aircraft incident at Turku airport, Finland on 30.12.1997
Micro summary:This Douglas DC-9-41 experienced a runway excursion.
Event Time:1997-12-30 at 0012 local
File Name:1997-12-30-FI.pdf
Publishing Agency:Finland Accident Investigation Board (AIB)
Publishing Country:Finland
Report number:B 9/1997 L
Site of event:Turku airport
Departure:Stockholm-Arlanda Airport, Marsta, Sweden
Destination:Turku Airport, Turku, Finland
Airplane Type(s):Douglas DC-9-41
Flight Phase:Parked
Type of flight:Revenue
Serious Injuries:0
Other Injuries:0
Executive Summary:On Tuesday 30 December, 1997 at 00.12 local time (Finnish local time is used in this report) an aircraft incident took place at Turku airport where a Douglas DC-9-41 aircraft, registered LN-RLT, owned by Det Norske Luftfartselskap A/S and operated by Scandinavian Airlines System ran off the side of runway. The flight number was SK 720. There were 27 passengers and four crewmembers on board. Nobody was injured but the aircraft was slightly damaged.
Probable cause

The probable cause of the incident was the captainís wrong impression of the aircraft flight path during final approach and landing. The illusion was caused by incorrect use of landing lights and the snowfall which drifted snowflakes from left to right. Recognition of the impression was hampered by the missing runway centerline lights and the snow which covered the runway markings.

Because of low experience of the monitoring pilot, a first officer in training, it was difficult for him to intervene in the progress of the events during final approach and landing.
Learning Keywords:Operations - Pilot Experience - Pairing
Operations - Runway Excursion
Operations - Unstabilized Approach


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