NTSB Identification: DFW05CA189.
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Accident occurred Saturday, July 23, 2005 in Hamlin, TX
Probable Cause Approval Date: 10/27/2005
Aircraft: Rockwell International S-2R, registration: N4946X
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

While on an aerial application of fertilizer on a field, the pilot noticed that the engine temperature was high and engine oil was covering the windscreen. The 700-hour pilot initiated a precautionary landing to a nearby field with limited forward visibility. During the landing roll, the airplane struck a berm and the right main landing gear collapsed. Examination of the airplane revealed the oil was leaking from a seal at the base of one propeller blade at the propeller hub attach point.

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

The failure of the propeller blade seal resulting in an oil leak. Contributing factors were the limited forward visibility and lack of suitable terrain for the precautionary landing.

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