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Airplane Hydroplanes on Landing, Exits Runway (N23RL)

Ithaca, NY, US

On September 15, 2002, a Cessna 421 (registration N23RL) was involved in an aviation accident near Ithaca, NY. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain directional control during the landing roll. A factor in the accident was the wet runway. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

During an instrument approach in rain, the airplane hydroplaned after touchdown, yawed left, and slid off the runway, resulting in substantial damage.

Approach and Weather

The airplane was executing an instrument approach and remained in instrument meteorological conditions until reaching about 700 feet above ground level. After breaking out of the clouds, the pilots encountered light rain and no turbulence, and they could clearly see the airport. The tower controller advised that it was raining heavily at the airport.

Landing and Hydroplaning

The pilot selected landing flaps and slowed the airplane to approximately 100 knots. As the intensity of the rain increased, the airplane touched down smoothly near the runway aiming point, slightly left of the centerline. The pilot lowered the nose and lightly applied the brakes. The airplane then began to hydroplane, yawed left, and exited the left side of the runway.

Post-Accident Examination

The airplane slid several hundred feet before coming to a stop, sustaining substantial damage. Examination of the wreckage revealed no preimpact failures or malfunctions.

Runway excursion

Frequently asked questions

What happened in the 15 Sept 2002 Cessna 421 accident near Ithaca, NY?

During an instrument approach in rain, the airplane hydroplaned after touchdown, yawed left, and slid off the runway, resulting in substantial damage.

Were there any fatalities in the 15 Sept 2002 Cessna 421 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 15 Sept 2002 involved a Cessna 421, registration N23RL, at Ithaca, NY.

What was the probable cause of the accident?

The pilot's failure to maintain directional control during the landing roll. A factor in the accident was the wet runway.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20021008X05289. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.