# NTSB Accident CHI99LA337
> **Reichert MJ-77** · 1999-09-10 · OWOSSO, MI, USA · FATL
## Event
- **NTSB number:** CHI99LA337
- **Event ID:** 20001212X19712
- **Type:** Accident
- **Date:** 1999-09-10
- **Location:** OWOSSO, MI, USA
- **Coordinates:** 42.989696, -84.169593
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Reichert
- **Model:** MJ-77
- **Registration:** N51MJ
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

the pilot's improper preflight which resulted in a takeoff with the oil cap not secured and the subsequent loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA337) · AI Analytics · CC0 1.0*