# Accident 19940423009009A: Amtr REBEL300, Wonderlake, IL, April 23, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 23, 1994, 10:35 local time
- Place: Wonderlake, IL
- Damage: Destroyed
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 42.3402° N, 88.0304° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.3402&lon=-88.0304&mi=10
- Aircraft: N12MV, a cancelled registration (https://openairdocs.org/deregistered/N12MV-1996-06-14) (OpenAirDocs)
- Registry model: Vavra Martin A REBEL 300 (registry code 05623BP, https://openairdocs.org/model/vavra-martin-a-rebel-300) (OpenAirDocs)
- Reported make and model: AMTR REBEL300
- Reported engine: LYC AEIO540D4A5
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 1,170 total
- NTSB investigation: [NTSB CHI94FA140](https://openairdocs.org/ntsb/CHI94FA140) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940423009009A

## Narrative

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

DURING PRACTICE AEROBATIC SESSION RIGHT WING FOLDED IN 7G LOADING. SPAR CAP STRIP FAILED. WEAK COMPOSIT MATERIAL.

## 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 CHI94FA140](https://openairdocs.org/ntsb/CHI94FA140), Apr 23, 1994: Vavra, Martin A. Rebel 300 (N12MV), Wonderlake, IL, destroyed, 1 fatal. Probable cause: FATIGUE AND CATASTROPHIC FAILURE OF THE MAIN WING SPAR RESULTING FROM THE DESIGNER'S EXCESSIVE, UNVERIFIED ESTIMATE OF THE STRENGTH OF THE SPAR CAP MATERIAL AND THE MANUFACTURER'S FAILURE TO ATTAIN…

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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