What happened
The incident occurred while the aircraft was on a prolonged final approach to O'Hare International Airport. At an altitude of approximately 1,900 feet mean sea level, the engine ceased operation without warning. The pilot was positioned over a densely populated residential zone at the time of the failure.
Demonstrating quick decision-making, the pilot identified and maneuvered toward a nearby short field suitable for an emergency landing. Upon touchdown or shortly thereafter, structural integrity failed catastrophically. The left main landing gear separated from the airframe, followed immediately by the separation of the entire left wing.
The investigation
Post-accident examination of the aircraft revealed critical details regarding the fuel system. The fuel selector valve was discovered in a position aligned with the right tank, which was confirmed to be empty. This finding strongly suggests that the engine had been deprived of fuel supply prior to the failure.
The pilot reported that the only restart attempt made during the emergency was a momentary depression of the starter button. No other restart procedures were attempted. The separation of the left wing and landing gear indicates significant impact forces or structural overstress during the forced landing sequence.
Findings
The primary factor leading to the accident was the depletion of usable fuel. The position of the fuel selector on the empty right tank confirms that the engine ran out of fuel. Contributing to the severity of the damage was the choice of landing site, which required a high-energy impact to stop the aircraft in a short distance.
The pilot's ability to locate a suitable field despite being over residential areas prevented potential ground casualties, though the aircrew sustained injuries due to the violent nature of the crash. The lack of fuel is the definitive cause of the loss of power.
Safety message
This event highlights the critical importance of accurate fuel management and pre-flight planning. Pilots must ensure that fuel quantity calculations account for all phases of flight, including potential holding patterns or extended approaches. Regular checks of fuel selectors and tank quantities are essential to prevent in-flight fuel exhaustion.