Casualties unknown

Aircraft Disappears from Radar During Instrument Flight; Partial Wreckage Recovered Months Later (N6434A)

Block Island, RI, US

On March 13, 1987, a Cessna P210R (registration N6434A) was involved in an aviation accident near Block Island, RI. 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

Aircraft vanished from ATC radar while receiving vectors in instrument conditions. Partial wreckage was pulled from ocean near Block Island, RI, months later. Investigation could not determine cause due to unrecovered components.

Disappearance

The aircraft disappeared from the controller's radar scope while receiving radar vectors. It was on an instrument flight plan to New Bern, NC, in prevailing instrument meteorological conditions. The pilot was in level cruise flight at 16,000 feet MSL.

Search and Recovery

The aircraft remained missing until March 20, 1987, when fishermen pulled part of the wreckage out of ocean waters near Block Island, Rhode Island. The engine and propeller, engine firewall, entire empennage, and outer wing areas were not recovered.

Pilot Information

The pilot, aged 59, had 417 flight hours, including 29 hours of actual instrument time.

Weather Conditions

Weather forecasts indicated the freezing level was on or near the surface, with light to occasional moderate rime ice below 14,000 feet MSL.

Investigation

The failure to recover all of the wreckage precluded the Safety Board from making a determination as to whether a failure or malfunction of the aircraft structure, flight control system, powerplant, or other component was related to the accident.

Frequently asked questions

What happened in the 13 Mar 1987 Cessna P210R accident near Block Island, RI?

Aircraft vanished from ATC radar while receiving vectors in instrument conditions. Partial wreckage was pulled from ocean near Block Island, RI, months later. Investigation could not determine cause due to unrecovered components.

What aircraft was involved and where did it happen?

The accident on 13 Mar 1987 involved a Cessna P210R, registration N6434A, at Block Island, RI.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X30535. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.