Casualties unknown

Cessna U206F Accident at Sainte-Marie-au-Bosc (F-HNCM)

Sainte-Marie-au-Bosc, FR

On April 9, 2017, a Cessna U206F (registration F-HNCM) was involved in an aviation accident near Sainte-Marie-au-Bosc, FR. Investigators recorded the probable cause as: The engine failure was caused by the fatigue fracture of the connecting rod for cylinder number 4. The specific cause of the fracture could not be clearly established due to significant damage to the engine's internal components. This summary draws on records from the French Bureau d'Enquêtes et d'Analyses (BEA).

Sourcesthe French Bureau d'Enquêtes et d'Analyses (BEA)Primary reportUpdated 2026-09-13Data APIEditorial standards

On April 9, 2017, a Cessna U206F (F-HNCM) operated by Para76 suffered a forced landing in a field near Sainte-Marie-au-Bosc after a mid-air engine failure during a parachute drop flight.

Flight Details and Accident Sequence On April 9, 2017, at approximately 16:30 local time, a Cessna U206F with registration F-HNCM, operated by Para76, was conducting a parachute drop flight. The aircraft was carrying one pilot and four passengers. During the tenth flight of the day, the pilot took off from runway 22 at Le Havre aerodrome. At approximately 4,000 feet while over the sea, the engine stopped abruptly. The pilot directed the aircraft toward land and used the trim to maintain best glide speed. A restart attempt resulted in the engine running for about ten seconds with significant vibrations, smoke, and oil projections before stopping again. The pilot selected a clear field for a forced landing. During the landing roll, the nose gear sank into the ground, causing the aircraft to overturn onto its back. The aircraft was heavily damaged. The pilot, a 23-year-old professional pilot, had 457 total flight hours, including 172 on the Cessna 206. The parachutists did not evacuate over water due to insufficient altitude for a safe jump once over land.

Probable cause

The engine failure was caused by the fatigue fracture of the connecting rod for cylinder number 4. The specific cause of the fracture could not be clearly established due to significant damage to the engine's internal components.