On September 22, 1988, a Cessna 550 (registration N29TC) operated by Teledyne Moters was involved in an aviation accident near Fremont, MI. Investigators recorded the probable cause as: The pilot's failure to maintain directional control and adequate braking on a wet runway with hydroplaning conditions during a downwind landing. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft overran the runway end during a downwind landing in heavy rain, striking an embankment due to hydroplaning and poor braking action reported by both pilots.
What happened
The airplane departed the paved surface at the end of the runway following touchdown. The accident occurred after the aircraft landed on a runway configured for downwind operations during a VOR approach. Environmental conditions at the time included heavy rain, which significantly reduced visibility and traction.
Both pilots on board reported that braking action was poor immediately after touchdown. They noted that the application of reverse thrust was ineffective during the landing roll. The pilot in command specifically described the situation as hydroplaning. Subsequent examination of the runway surface confirmed the presence of hydroplane marks on the asphalt, indicating a loss of tire-to-ground contact.
The investigation
Investigators examined the physical evidence at the scene. The primary finding was the condition of the runway surface. Analysis of the asphalt revealed distinct hydroplane marks, corroborating the pilots' reports of reduced friction and braking efficiency during the rollout.
Probable cause
The pilot's failure to maintain directional control and adequate braking on a wet runway with hydroplaning conditions during a downwind landing.