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Accidents · NTSB DEN07WA125 · Preliminary: the investigation is not finished

Express Aircraft Express 2000 ER accident near Basel, Sz, July 23, 2007

On July 23, 2007 at about 9:25 am local time, a Express Aircraft Express 2000 ER, an amateur-built aircraft,, registered HBYMN, was destroyed in an accident near Basel (Basel-Mulhouse airport). It was a positioning flight under non-U.S. private rules. 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 23, 2007 · about 9:25 am local time
Place
Basel, Eswatini · Basel-Mulhouse · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Express Aircraft Express 2000 ER, amateur-built
Registration
HBYMN · no longer on the register
Damage
Destroyed
Flight
Positioning flight · non-U.S. private rules

The factual record from the NTSB's investigation tables, in plain English

The aircraft

  • Last inspection: inspection type not recorded
  • Landing gear: fixed

The flight

  • Departed from: LFSB Basel at 9:25 am
  • Destination: KOSH Oshkosh WI
  • Flight plan: not recorded

Weather at the time

  • Light: daylight
  • Wind: from 320° at 5 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 70°F (21°C), dew point 59°F (15°C)
  • Altimeter: 29.64 inHg
  • Observation at 9:30 am from LFSB

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.