# NTSB Accident BFO90LA042
> **BELL 47D** · 1990-05-13 · BALTIMORE, MD, USA · NONE
## Event
- **NTSB number:** BFO90LA042
- **Event ID:** 20001212X23081
- **Type:** Accident
- **Date:** 1990-05-13
- **Location:** BALTIMORE, MD, USA
- **Coordinates:** 39.390674, -76.479957
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** BELL
- **Model:** 47D
- **Registration:** N4229A
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT APPLIED EXCESSIVE CYCLIC CONTROL, CAUSING THE MAIN ROTOR TO FLEX AND SEVERE THE TAIL CONE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO90LA042) · MORVS · CC0 1.0*