Casualties unknown

Piper PA-28-235 Cherokee D YL-MED Accident in Estonia

Tartu lennuväli, EE

On May 4, 2012, a Piper PA 28-235 Cherokee D (registration YL-MED) was involved in an aviation accident near Tartu lennuväli, EE. Investigators recorded the probable cause as: The accident was caused by the disconnection of the oil hose fitting to the oil radiator, which resulted in a complete loss of oil pressure, engine overheating, and subsequent engine stoppage. This summary draws on records from the Estonian Safety Investigation Bureau (OJK).

Sourcesthe Estonian Safety Investigation Bureau (OJK)Primary reportUpdated 2026-06-09Data APIEditorial standards

On 4 May 2012, a Piper PA-28-235 Cherokee D (YL-MED) crashed in a field near Tartu, Estonia, after an engine failure during a night training flight. The accident was caused by a disconnected oil hose fitting, leading to total loss of oil pressure and engine stoppage.

Incident Overview and Flight Details On 4 May 2012, a Piper PA-28-235 Cherokee D, registration YL-MED, was conducting a visual flight rules (VFR) training flight in the vicinity of Tartu airfield, Estonia. The aircraft, a 1970 model with serial number 28-11377, departed from Limbaži airfield at 21:05 local time. The crew consisted of a 51-year-old flight instructor with 10,300 hours of experience and two student pilots. The flight was intended for approach and maneuvering practice at Tartu airfield. The aircraft was equipped with a Lycoming O540-B4B5 engine and had a maximum takeoff weight of 1,315 kg. Its airworthiness was valid at the time of the accident.

Probable cause

The accident was caused by the disconnection of the oil hose fitting to the oil radiator, which resulted in a complete loss of oil pressure, engine overheating, and subsequent engine stoppage.