No fatalities

Mooney M20C No Series accident at Hillsboro, OR, 19 Aug 2020

Hillsboro, OR, United States

On August 19, 2020, a Mooney M20C No Series was involved in an aviation accident near Hillsboro, OR. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain altitude on short final due to an encounter with a down draft and the flight instructor's delayed remedial action. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s failure to maintain altitude on short final due to an encounter with a down draft and the flight instructor's delayed remedial action.

— NTSB Determination

Contributing factors

Altitude — Not attained/maintainedStudent/instructed pilotContributed to outcomeInstructor/check pilot