Casualties unknown

Night VFR Crash into Chesapeake Bay: Non-Instrument Rated Pilot, Clear Weather Nearby (N6599R)

Onancock, VA, US

On August 20, 1990, a Cessna 172RG (registration N6599R) operated by Ulf D. Uhlig was involved in an aviation accident near Onancock, VA. Investigators recorded the probable cause as: THE INFLIGHT LOSS OF CONTROL BECAUSE THE PILOT EXPERIENCED SPATIAL DISORIENTATION. OTHER FACTORS RELATED TO THE ACCIDENT ARE VFR FLIGHT INTO IMC, NIGHT CONDITIONS. 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 non-instrument rated pilot on a night VFR flight crashed into the Chesapeake Bay in a steep nose-down attitude. Witnesses reported cloudy weather, though clear skies were recorded 35 miles north. No mechanical issues found.

Overview

On a night visual flight rules (VFR) flight, an aircraft crashed into the Chesapeake Bay. The pilot, who was not instrument rated, was seated in the right seat. The aircraft was found in a steep nose-down attitude. Witnesses who heard the impact reported the weather as cloudy, although conditions 35 miles north of the accident site were reported as clear. The investigation did not disclose any evidence of aircraft mechanical malfunction.

Weather Conditions

According to witness statements, the weather at the accident site was cloudy at the time of the crash. However, weather reports from a location 35 miles north indicated clear skies. This discrepancy suggests localized adverse weather conditions near the accident site.

Pilot Background

The pilot held a non-instrument rating and was not a certified flight instructor (CFI). Despite this, the pilot had logged 44 hours of instructional time. The reason for the pilot being seated in the right seat was not specified in the investigation.

Investigation Findings

The investigation did not find any evidence of mechanical failure or malfunction in the aircraft. No other contributing factors were explicitly stated in the source material. The exact cause of the crash remains undetermined based on the available information.

Frequently asked questions

What happened in the 20 Aug 1990 Cessna 172RG accident near Onancock, VA?

A non-instrument rated pilot on a night VFR flight crashed into the Chesapeake Bay in a steep nose-down attitude. Witnesses reported cloudy weather, though clear skies were recorded 35 miles north. No mechanical issues found.

What aircraft was involved and where did it happen?

The accident on 20 Aug 1990 involved a Cessna 172RG, registration N6599R, operated by Ulf D. Uhlig, at Onancock, VA.

What was the probable cause of the accident?

THE INFLIGHT LOSS OF CONTROL BECAUSE THE PILOT EXPERIENCED SPATIAL DISORIENTATION. OTHER FACTORS RELATED TO THE ACCIDENT ARE VFR FLIGHT INTO IMC, NIGHT CONDITIONS.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X23898. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.