Hall Lancair IV-P accident near Vermontville, MI
On May 31, 2004, a Hall Lancair IV-P (airplane) was involved in an accident near Vermontville, MI. 3 people died. Damage to the aircraft: destroyed.
- Date
- May 31, 2004
- Place
- Vermontville, MI
- Aircraft
- Hall Lancair IV-P · Airplane
- Injuries
- 3 fatal, 0 serious, 0 minor
- Damage
- Destroyed
- Position
- 42.630°N, 85.061°W
- NTSB ID
- 20040604X00740
Official records · CHI04LA129
- Public docket: reports, statements and exhibits from the investigation
Air traffic control records
- ATC 3 - FAA Aircraft Accident Package: Document (PDF), on ntsb.gov
- ATC 3 - DSR ISMT Report Part 1: Document (PDF), on ntsb.gov
- ATC 3 - DSR ISMT Report Part 2: Document (PDF), on ntsb.gov
- ATC 3 - Factual Report of Group Chairman: Document (PDF), on ntsb.gov
NTSB summary
HISTORY OF FLIGHT On May 31, 2004, at 1400 eastern daylight time, an amateur-built Hall Lancair IV-P, N707SH, piloted by a private pilot, was destroyed during an in-flight collision with terrain following a loss of control during cruise flight near Vermontville, Michigan. Instrument meteorological conditions (IMC) with thunderstorms were present at the time of the accident. The business flight was operating under the provisions of 14 Code of Federal Regulations (CFR) Part 91 on an instrument flight rules (IFR) flight plan. The pilot and two passengers were fatally injured. The flight departed Willow Run Airport (YIP), Ypsilanti, Michigan, at 1330, and was en route to Billings Logan International Airport (BIL), Billings, Montana. At 1213, the pilot of N707SH contacted Lansing (LAN) Automated Flight Service Station requesting a weather briefing for a flight from YIP, to Portland International Airport (PDX), Portland, Oregon, with an en route stop to be determined. The briefer advised the pilot to expect thunderstorm and rain shower activity in Michigan, moderate turbulence below 9,000 feet msl, and icing conditions between 7,000 and 14,000 feet msl. The briefer also described an area of thunderstorms extending from south of Milwaukee (MKE) through the Chicago metropolitan area and extending almost to the Iowa border. The briefer did not specify the source of the thunderstorm information, although it coincided with the area covered by SIGMET 43C (valid from 1155 to 1355). This SIGMET reported a developing area of thunderstorms moving from the west at 30 knots, with tops reachi
Probable cause
The failure of Air Route Traffic Control Center controllers to provide adverse weather avoidance assistance as required by FAA directives, which led to the airplane's encounter with a thunderstorm and subsequent loss of control. Contributing to the accident was the pilot's decision to conduct flight into an area of known thunderstorms. "THIS CASE WAS MODIFIED 11/16/2006."
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Browse: Michigan
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
