Date & Time:
Jan 21, 1989 at 1747 LT
Type of aircraft:
Swearingen SA226 Metro II
Operator:
Registration:
OY-ARI
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Schedule:
Örnsköldsvik - Örebro
MSN:
TC-317
YOM:
1979
Country:
Sweden
Region:
Europe
Crew on board:
2
Crew fatalities:
0
Pax on board:
15
Pax fatalities:
0
Other fatalities:
0
Total fatalities:
0
Captain / Total hours on type:
500
Copilot / Total hours on type:
268
Aircraft flight hours:
8009
Circumstances:
After takeoff from Örnsköldsvik Airport, while climbing to an altitude of 7,000 feet, the left engine oil pressure warning light sounded. The crew shut down the engine but was unable to feather the propeller. Doing so, a fuse blew and only the right side of the instrument lights remained functional. After being cleared to return, the crew completed a turn but on approach, he was forced to use full elevator and rudder deflection because the left propeller could not be feathered. Misaligned, the aircraft landed 30 meters to the left of the runway then rolled few dozen meters before coming to rest. All 17 occupants escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
Because the left propeller could not be feathered, this created drag the the crew was forced to compensate with trim and rudder deflection, causing the aircraft to be misaligned on final approach.
The following contributing factors were reported:
- An oil leak in the left engine during initial climb forced the crew to shut it down,
- Power supply problems caused by the left side not having been isolated from the right side,
- Wrong adjustment of the speed control trigger,
- Inadequate following of the checklist.
The following contributing factors were reported:
- An oil leak in the left engine during initial climb forced the crew to shut it down,
- Power supply problems caused by the left side not having been isolated from the right side,
- Wrong adjustment of the speed control trigger,
- Inadequate following of the checklist.
Final Report:
OY-ARI.pdf8.02 MB
