Casualties unknown

Aircraft Strikes Trees on ILS Approach at Winston-Salem (N9592Y)

Winston-salem, NC, US

On November 26, 1986, a Beech 35-B33 (registration N9592Y) was involved in an aviation accident near Winston-salem, NC. Investigators recorded the probable cause as: The pilot failed to maintain the glide slope profile throughout the approach. 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

An aircraft on an ILS approach to Winston-Salem collided with trees about two miles southeast of the airport after the pilot failed to maintain the glide slope profile.

Overview

The flight departed Rochester, NY, and received an instrument flight rules (IFR) clearance. ATC handling and the flight were normal. The pilot was cleared for the ILS Runway 33 approach to Winston-Salem, NC.

Accident Details

The flight was established on the final approach but collided with trees approximately two miles southeast of the airport. Examination of the wreckage did not disclose any aircraft failures or malfunctions. Both the aircraft and the crew were properly certified and current for the flight.

Weather and Approach Facilities

The reported weather minimums for this approach are a 200-foot ceiling and 1/2-mile visibility. At the time of the accident, the weather was at these minimums. The approach facilities were operating normally.

Probable Cause

Investigation determined that the pilot failed to maintain the glide slope profile throughout the approach.

Frequently asked questions

What happened in the 26 Nov 1986 Beech 35-B33 accident near Winston-salem, NC?

An aircraft on an ILS approach to Winston-Salem collided with trees about two miles southeast of the airport after the pilot failed to maintain the glide slope profile.

What aircraft was involved and where did it happen?

The accident on 26 Nov 1986 involved a Beech 35-B33, registration N9592Y, at Winston-salem, NC.

What was the probable cause of the accident?

The pilot failed to maintain the glide slope profile throughout the approach.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X35089. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.