# NTSB Accident LAX90FA060
> **McDonnell Douglas 369E** · 1989-12-29 · SANTA ROSA, CA, USA · FATL
## Event
- **NTSB number:** LAX90FA060
- **Event ID:** 20001213X29968
- **Type:** Accident
- **Date:** 1989-12-29
- **Location:** SANTA ROSA, CA, USA
- **Coordinates:** 36.530872, -120.95977
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 3
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** McDonnell Douglas
- **Model:** 369E
- **Registration:** N1604L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER PREFLIGHT PLANNING/DECISION WHICH RESULTED IN THE LOSS OF TAIL ROTOR EFFECTIVENESS. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT ALLOWING THE MAXIMUM GROSS WEIGHT OF THE AIRCRAFT TO BE EXCEEDED, AND THE TAILWIND.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90FA060) · AI Analytics · CC0 1.0*