# NTSB Accident FTW91LA064
> **BELL 47G4** · 1991-04-27 · CORPUS CHRISTI, TX, USA · MINR
## Event
- **NTSB number:** FTW91LA064
- **Event ID:** 20001212X16788
- **Type:** Accident
- **Date:** 1991-04-27
- **Location:** CORPUS CHRISTI, TX, USA
- **Coordinates:** 27.770017, -97.51979
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BELL
- **Model:** 47G4
- **Registration:** N1195W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE INITIAL RESTRICTED MOVEMENT AND EVENTUAL LOCKING OF THE CYCLIC CONTROL AS A RESULT OF THE FAILURE OF THE LATERAL SERVO. A FACTOR WAS THE INSTALLATION OF THE FAILED COMPONENT BY AN UNQUALIFIED PERSON.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW91LA064) · AI Analytics · CC0 1.0*