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Landing Gear Collapse After Unsafe Indication (N9517T)

Riverside, CA, US

On October 6, 1991, a Cessna 210 (registration N9517T) operated by Clark C. Baxter was involved in an aviation accident near Riverside, CA. Investigators recorded the probable cause as: THE FAILURE OF A HYDRAULIC GEAR RETURN LINE, WHICH CAUSED THE AIRCRAFT'S MAIN LANDING GEAR TO COLLAPSE DURING LANDING TOUCHDOWN. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

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

During landing gear retraction after takeoff, the pilot received an unsafe gear indication. After coordinating with a nearby airport, the aircraft landed but the main gear collapsed upon touchdown. Investigation revealed a ruptured hydraulic line.

Accident Details

Shortly after takeoff, the pilot attempted to retract the landing gear but received an unsafe gear indication. The pilot established communication with control tower personnel at a larger, nearby airport, reported the problem, and requested landing instructions. Clearance to land was provided.

Upon touchdown, the main landing gear collapsed, causing the aircraft to collide with the runway.

Post-Accident Examination

A post-accident examination revealed that a hydraulic gear return line, Cessna Aircraft part number 1280106-5, had ruptured. The line was noted as being "brittle." Log book entries indicated that the line was installed on the aircraft on July 19, 1991.

Related events

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Frequently asked questions

What happened in the 6 Oct 1991 Cessna 210 accident near Riverside, CA?

During landing gear retraction after takeoff, the pilot received an unsafe gear indication. After coordinating with a nearby airport, the aircraft landed but the main gear collapsed upon touchdown. Investigation revealed a ruptured hydraulic line.

What aircraft was involved and where did it happen?

The accident on 6 Oct 1991 involved a Cessna 210, registration N9517T, operated by Clark C. Baxter, at Riverside, CA.

What was the probable cause of the accident?

THE FAILURE OF A HYDRAULIC GEAR RETURN LINE, WHICH CAUSED THE AIRCRAFT'S MAIN LANDING GEAR TO COLLAPSE DURING LANDING TOUCHDOWN.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X18319. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.