# NTSB Accident DCA01MA056
> **de Havilland Dash 8-100** · 2001-08-05 · Washington, DC, USA · FATL
## Event
- **NTSB number:** DCA01MA056
- **Event ID:** 20010904X01867
- **Type:** Accident
- **Date:** 2001-08-05
- **Location:** Washington, DC, USA
- **Coordinates:** 38.910045, -77.019706
## Injuries
- **Highest injury:** FATL
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 32
- **Total aboard:** 33
## Aircraft
- **Make:** de Havilland
- **Model:** Dash 8-100
- **Registration:** N935HA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The ramp agent's impaired performance due to his hyperthyroidism, which was exacerbated by the heat and was inadequately controlled by medication, and possibly also due to the use of an antianxiety medication.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DCA01MA056) · AI Analytics · CC0 1.0*