On August 1, 2001, a Beech A36 (registration N136GR) operated by Luminair Aviation Services was involved in an aviation accident near Sugar Grove, IL. Investigators recorded the probable cause as: The main fuel line to the flow divider backed off. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot/mechanic performed a forced landing in a bean field after total engine power loss at 500 feet AGL during a maintenance test flight. The main fuel line to the flow divider was found backed off.
Incident Overview
A pilot/mechanic executed a forced landing in a bean field following a complete loss of engine power during departure from the airport. The event occurred while the pilot/mechanic was conducting a maintenance test flight. According to the pilot/mechanic, the engine ceased operation at approximately 500 feet above ground level.
Preflight Checks
Prior to the flight, the pilot/mechanic conducted a ground test run and a run-up check. No fuel leaks were observed during the ground test, and no anomalies were detected during the run-up procedure.
Post-Accident Findings
Following the forced landing, examination revealed that the main fuel line leading to the flow divider had backed off.
Probable cause
The main fuel line to the flow divider backed off.