6 fatalities

1999 Learjet 35 Crash Near Aberdeen, South Dakota (N47BA)

Mina, United States of AmericaFlight

On October 25, 1999, a Learjet 35 (registration N47BA) operated by Sunjet Aviation was involved in an aviation accident near Mina, United States of America in flight. 6 people were killed. Investigators recorded the probable cause as: Incapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 5 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards
Aircraft registered N47BA
Aircraft registered N47BA. Photo: NTSB / Public domain, via Wikimedia Commons

A Learjet 35 operated by Sunjet Aviation crashed near Aberdeen, South Dakota, on October 25, 1999, killing all seven occupants after a loss of cabin pressurization.

Overview and Flight DetailsOn October 25, 1999, at approximately 1213 central daylight time (CDT), a Learjet Model 35 with registration N47BA, operated by Sunjet Aviation, Inc. of Sanford, Florida, crashed near Aberdeen, South Dakota. The aircraft had departed Orlando, Florida, for Dallas, Texas, at approximately 0920 eastern daylight time (EDT). Radio contact with the flight was lost north of Gainesville, Florida, after air traffic control cleared the aircraft to flight level 390.## Military Interception and ObservationsThe aircraft was intercepted by several U.S. Air Force and Air National Guard aircraft as it proceeded northwestbound. Military pilots positioned to observe the Learjet at close range reported that the forward windshields appeared frosted or covered with condensation. The pilots could not see into the cabin and did not observe any structural anomaly or other unusual condition. They observed the aircraft depart controlled flight and spiral to the ground, impacting an open field.## Casualties and OccupantsAll seven occupants on board were killed, and the aircraft was destroyed. The crew consisted of Michael Kling and Stephanie Bellegarrigue. The four passengers were Payne Stewart, Van Ardan, Bruce Borland, and Robert Fraley.

Probable cause

Incapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons.