On May 28, 1994, a Cessna P-210N (registration N4UD) was involved in an aviation accident near Milwaukee, WI. Investigators recorded the probable cause as: IMPROPER IN-FLIGHT PLANNING AND DECISION MAKING BY THE PILOT WHICH RESULTED IN FUEL EXHAUSTION. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot reported fuel gauges dipping 70 miles from home, requested diversion, then engine failed and aircraft was ditched into a lake. Investigation found empty fuel tanks and no leaks.
Incident Overview
During the return leg of an extended cross-country flight, the pilot observed that the fuel gauges were indicating decreasing fuel levels when the aircraft was approximately 70 miles north of his home airport. The pilot requested air traffic control (ATC) to divert the flight to a closer airport. While communicating with ATC, the engine stopped running, and the pilot subsequently ditched the aircraft into a lake. After reporting the engine failure to ATC, the controller asked how much fuel remained. The pilot replied, 'Yeah looks like we're empty sir.'
Investigation Findings
Post-accident examination of the engine and fuel distribution system revealed they met the manufacturer's specifications. No fuel slick was observed on the water surface near the area where the aircraft sank. Additionally, no fuel stains were found on the airframe. The top side of the wing was collapsed inward, and the fuel tanks were empty.