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Atlas / NTSB / NYC91DNC03

NTSB CAROL · Event

Event NYC91DNC03

1991-07-19 WEST ARLINGTON, Vermont, United States Fatal 1 aircraft Status: Completed

Registry · N333VT

FAA Aircraft Registry record.

Make / Model

STEMME GMBH & CO S10-VT

Year of manufacture

1998

Engine

ROTAX 914 SERIES (100 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20251004

ADS-B equipped

Yes — Mode-S A3A2E1

Registrant of record

MACMILLAN LORRAINE M

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

PHYSIOLOGICAL INCAPACITATION DUE TO CARDIOVASCULAR DISEASE WHICH RESULTED IN INCAPACITATION AND INFLIGHT COLLISION WITH TREES.

Factual narrative

THE POWERED GLIDER WAS OBSERVED TO MAKE THREE CIRCLES AND THEN DISAPPEAR BEHIND TREES. A CRASH WAS HEARD AND THE WRECKAGE WAS LOCATED IN A WOODED AREA. AN AUTOPSY REVEALED THE PILOT HAD CARDIOVASCULAR DISEASE, INCLUDING, 'SEVERE CORONARY ATHEROSCLEROSIS WITH THROMBOSIS OF BYPASS GRAFTS.' Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_NYC91DNC03.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.