NTSB Identification: SEA96LA064.
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Accident occurred Tuesday, February 27, 1996 in HILLSBORO, OR
Probable Cause Approval Date: 07/31/1996
Aircraft: Cessna 180A, registration: N9669B
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported that after landing he taxied toward the fuel island. Just prior to the island, the left main landing gear rolled into an open manhole and the left wing contacted the surface. Maintenance personnel had removed the manhole cover earlier in the morning and failed to set up warning cones around the area.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

the failure of the pilot to identify the unsuitable taxi area, and the failure of airport maintenance personnel to properly identify a construction area.

Full narrative available

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