# Accident 20040615016929A: Mtsbsi MU2B40, Chicago/Waukega, IL, June 15, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 15, 2004, 13:24 local time
- Place: Chicago/Waukega, IL
- Airport: Waukegan Regional Airport
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 42.4222° N, 87.8678° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.4222&lon=-87.8678&mi=10
- Aircraft: N77DK (not matched to a registry record)
- Reported make and model: MTSBSI MU2B40
- Reported engine: GARRTT TPE331*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 6,300 total, 3,300 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB CHI04LA155](https://openairdocs.org/ntsb/CHI04LA155) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040615016929A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON JUNE 15, 2004 AT APPROXIMATELY 1324 CDT, N77DK, A MITSUBISHI MU-2 WAS BEING PILOTED BY MR. DANIEL KNOPPER. MR. KNOPPER IS THE HOLDER OF A COMMERCIAL PILOT CERTIFICATE, NUMBER 2187425. THE AIRCRAFT LANDED HARD WITH THE RESULT BEING SUBSTANTIAL DAMAGE TO THE LOWER AREA OF THE FUSELAGE WHERE THE NOSE GEAR COLLAPSED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI04LA155](https://openairdocs.org/ntsb/CHI04LA155), Jun 15, 2004: Mitsubishi MU-2B-40 (N77DK), Waukegan, IL, substantial damage. Probable cause: The pilot's misjudgment of the landing flare which resulted in a hard landing. Contributing factors were the subsequent overload and collapse of the nose landing gear.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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