No fatalities

7 May 2009: GULFSTREAM-SCHWEIZER A/C CORP GULFSTREAM G-164B — O BRIEN FLYING SERVICE INC — Iowa, LA

Iowa, LA, United States

On 7 May 2009, a GULFSTREAM-SCHWEIZER A/C CORP GULFSTREAM G-164B operated by O BRIEN FLYING SERVICE INC was involved in an aviation accident near Iowa, LA. No fatalities were reported. Investigators recorded the probable cause as: The loss of engine power due to a cracked #8 cylinder assembly at the spark plug holes, causing the cylinder head to separate from the barrel. This summary draws on records from NTSB; 9 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

During initial takeoff from a private airfield, a single-engine agricultural airplane lost substantial engine power. The pilot performed a forced landing, but the airplane collided with a levy, nosed over, and caught fire. The pilot egressed uninjured before the fire consumed the aircraft.

Accident Description

During the initial takeoff from a private airfield, the single-engine agricultural airplane experienced a substantial loss of engine power. The pilot was unable to restore engine power and carried out a forced landing to an open field. During the landing rollout, the airplane collided with a levy, causing the aircraft to nosed over. Subsequently, a fire broke out. The pilot was able to egress the airplane uninjured before the aircraft was consumed by the post-impact fire.

Aircraft Configuration

The airplane had been fully fueled and loaded with applicant prior to the flight.

Engine Examination

Post-accident examination of the engine identified that the #8 cylinder assembly had cracked through the spark plug holes. This cracking resulted in the cylinder head separating from the cylinder barrel while the engine was in operation.

Outcome

The pilot sustained no injuries and escaped the burning aircraft. The airplane was consumed by the post-impact fire. No other individuals were involved.

Probable cause

The loss of engine power due to a cracked #8 cylinder assembly at the spark plug holes, causing the cylinder head to separate from the barrel.

Contributing factors

Recip eng cyl section — Failure