Casualties unknown

Piper PA-32-260 Strikes Boulder During Climb in Yosemite Area (N3643W)

Yosemite Nation, CA, US

On July 27, 1986, a Piper PA-32-260 (registration N3643W) operated by Paradise Flying Service was involved in an aviation accident near Yosemite Nation, CA. 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

A Piper PA-32-260 operating as an on-demand passenger flight struck a boulder while climbing eastward from Yosemite National Park, leading to a post-crash fire that destroyed the cabin and engine nacelles.

Accident Overview

A Piper PA-32-260, operating as an on-demand passenger flight, was involved in an accident after flying low over Yosemite National Park. The aircraft climbed eastward into rising terrain. The flight path selected by the pilot was approximately one mile north and 1,000 feet higher than Tioga Pass, which has an elevation of 9,941 feet.

Sequence of Events

As the aircraft climbed, its empennage struck a boulder while ascending a ridge with an upslope of approximately five degrees. The aircraft then nosed into the ground. A post-crash fire destroyed the cabin and engine nacelles.

Environmental Conditions

The density altitude calculated for the accident site was 12,500 feet. The aircraft's published service ceiling is 12,800 feet at maximum gross weight.

Aircraft Information

The accident aircraft was a Piper PA-32-260. No further details on the aircraft's registration, operator, or occupants were provided in the source.

Frequently asked questions

What happened in the 27 Jul 1986 Piper PA-32-260 accident near Yosemite Nation, CA?

A Piper PA-32-260 operating as an on-demand passenger flight struck a boulder while climbing eastward from Yosemite National Park, leading to a post-crash fire that destroyed the cabin and engine nacelles.

What aircraft was involved and where did it happen?

The accident on 27 Jul 1986 involved a Piper PA-32-260, registration N3643W, operated by Paradise Flying Service, at Yosemite Nation, CA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X34203. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.