# Accident 19890902033249A: Amtrru VARIEZE, California City, CA, September 2, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 2, 1989
- Place: California City, CA
- Damage: Destroyed
- Phase of flight: Unknown/Not Reported
- Operating rules: General operating rules (Part 91)
- Location: 35.1496° N, 117.9201° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.1496&lon=-117.9201&mi=10
- Aircraft: N393D, a cancelled registration (https://openairdocs.org/deregistered/N393D-1990-07-16) (OpenAirDocs)
- Registry model: Rupprecht Myron S VARIEZE (registry code 05609JX, https://openairdocs.org/model/rupprecht-myron-s-varieze) (OpenAirDocs)
- Reported make and model: AMTRRU VARIEZE
- Reported engine: CONT O200A
- People aboard: 2
- Fatal injuries: 2
- Pilot flight hours: 1,691 total, 152 in this make and model, 5 in the last 90 days
- NTSB investigation: [NTSB LAX89DUQ05](https://openairdocs.org/ntsb/LAX89DUQ05) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890902033249A

## Narrative

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

OVER TORQUED WING BOLTS FAILED IN FLIGHT POSSIBLY IN ACROBATIC FLIGHT. BUILDER PILOT USED INCORRECT BOLTS.

## 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 LAX89DUQ05](https://openairdocs.org/ntsb/LAX89DUQ05), Sep 2, 1989: Ruppercht Varieze (N393D), California City, CA, destroyed, 2 fatal. Probable cause: THE WING FAILED DUE TO THE PILOT/OWNERS OVERTORQUING THE WING BOLTS AND THE IMPROPER INSTALLATION OF THE WING ATTACH PLATES/CONES.

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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