Investigation Summary
The accident occurred at approximately 01:00 local time following a high-profile concert featuring Eric Clapton and Stevie Ray Vaughan. Four helicopters were staged on a golf course at the Alpine Valley Resort to ferry the musicians and their teams to Chicago. Vaughan, who was originally not scheduled to be on this specific flight, took a last-minute available seat. The pilot, Jeff Brown, departed into a weather environment characterized by dense fog. Unlike the other three helicopters that successfully navigated the departure, Brown's aircraft maintained a lower altitude and higher speed. Shortly after takeoff, the helicopter banked to the left and impacted the side of a ski hill about 50 feet below its summit. The wreckage was not located until 07:00 that morning by a Civil Air Patrol search aircraft. Investigators found no evidence of mechanical failure or substance impairment. A critical factor identified was the pilot's lack of a helicopter instrument rating, despite having significant night flying experience and an airplane instrument rating. He had also recently failed a helicopter instrument check ride, suggesting a lack of proficiency in managing the aircraft solely by reference to instruments in the IMC (Instrument Meteorological Conditions) present that night.
Final Conclusions
The National Transportation Safety Board (NTSB) concluded that the probable cause of the accident was the pilot's failure to attain adequate altitude to avoid rising terrain. Contributing factors included the dark night and dense fog which obscured the terrain from the pilot's view. The coroner's inquest recorded the deaths as 'misadventure,' noting no drugs or alcohol were involved.
Video Analysis
The Strange Case of Stevie Ray Vaughan's 1990 Helicopter Crash — An investigation into the 1990 helicopter crash in Alpine Valley, Wisconsin, that claimed the life of legendary blues guitarist Stevie Ray Vaughan.
If playback is blocked, the owner has disabled embedding — use the link above.
Airframe & Maintenance
Crew Experience
Pilot
Held an airplane instrument rating but was not instrument rated for helicopters; had recently failed a helicopter instrument check ride. Total time includes 4,609 hours as Pilot In Command.
Systems & Failure Modes
Visual Flight Rules (VFR)
The pilot was operating under VFR in conditions that required Instrument Flight Rules (IFR) due to dense fog and low visibility.
Instrument Rating
The pilot lacked a helicopter-specific instrument rating and had recently failed an instrument check ride.
Interesting Facts
- 01The pilot was instrument rated for airplanes but not for helicopters.
- 02The helicopter crashed into a ski hill only 0.6 miles from the point of departure.
- 03All victims had worn seatbelts at the time of impact.
- 04No mechanical malfunctions or failures were found during the post-crash investigation.
- 05Stevie Ray Vaughan died of exsanguination due to blunt trauma to the chest and abdomen.
Safety Actions & Advisories
Wrongful Death Settlement
Omniflight Helicopters reached an undisclosed settlement with the Vaughan family and the families of other victims following allegations of negligence regarding pilot qualifications and VFR operation in IMC.