# NTSB Accident ERA14LA004
> **MCDONALD HOWARD BRIAN ZENAIR 701** · 2013-10-19 · Zephyrhills, FL, USA · NONE
## Event
- **NTSB number:** ERA14LA004
- **Event ID:** 20131020X42000
- **Type:** Accident
- **Date:** 2013-10-19
- **Location:** Zephyrhills, FL, USA
- **Coordinates:** 28.228055, -82.15583
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MCDONALD HOWARD BRIAN
- **Model:** ZENAIR 701
- **Registration:** N538HB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the propeller speed reduction unit drive belts due to inadequate belt tension being applied during installation, which resulted in a complete loss of thrust.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA14LA004) · AI Analytics · CC0 1.0*