Casualties unknown

Helicopter Impacts Trees During Low Visibility Conditions (N7734A)

Round Top, TX, US

On April 2, 1998, a Bell 206B (registration N7734A) was involved in an aviation accident near Round Top, TX. Investigators recorded the probable cause as: The pilot's attempted VFR flight into instrument meteorological conditions. Contributing factors were fog, low ceilings, and trees. 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

A private helicopter pilot on a VFR cross-country flight encountered fog and low ceilings, resulting in the helicopter impacting trees in a nose-low attitude. No mechanical failures were identified.

Accident Overview

On the morning of the accident, a private helicopter pilot was conducting a 132-mile VFR cross-country flight. The pilot, who held a private certificate but was not instrument rated, encountered fog and low ceilings along the route. The accident occurred at 0807 local time; sunrise had occurred at 0619.

Witness Observations

Witnesses near the accident site reported observing the helicopter in a nose-down attitude before hearing the sound of impact with trees. Visibility in the area was described by several witnesses as ranging from as low as 100 feet to as high as one-quarter mile. The ceiling was obscured due to fog. Residents noted that fog tends to form around sunrise during that time of year.

Accident Site Evidence

Physical evidence at the accident site indicated that the helicopter struck trees and terrain in a 45-degree nose-low attitude while in a slight right turn. The pilot had accumulated a total of 187 flight hours. No evidence of pre-impact mechanical failure or malfunction was observed. The investigation found no anomalies that could have prevented normal flight operation.

Investigation Findings

The investigation concluded that there was no evidence of mechanical failure or malfunction prior to impact. The weather conditions at the time included low visibility and obscured ceilings due to fog, which were consistent with witness reports.

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Frequently asked questions

What happened in the 2 Apr 1998 Bell 206B accident near Round Top, TX?

A private helicopter pilot on a VFR cross-country flight encountered fog and low ceilings, resulting in the helicopter impacting trees in a nose-low attitude. No mechanical failures were identified.

What aircraft was involved and where did it happen?

The accident on 2 Apr 1998 involved a Bell 206B, registration N7734A, at Round Top, TX.

What was the probable cause of the accident?

The pilot's attempted VFR flight into instrument meteorological conditions. Contributing factors were fog, low ceilings, and trees.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X09841. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.