Narrative:

Unexplained right swerve on rollout could not be corrected by full control deflection and aircraft departed the runway.

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Original NASA ASRS Text

Title: Cessna T188 pilot reported unexplained loss of directional control on landing roll that resulted in a runway excursion.

Narrative: Unexplained right swerve on rollout could not be corrected by full control deflection and aircraft departed the runway.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.