# NTSB Accident CEN21FA272
> **ANTENOR VELAZCO LANCAIR EVOLUTION** · 2021-06-16 · Parker, CO, USA · FATL
## Event
- **NTSB number:** CEN21FA272
- **Event ID:** 20210616103276
- **Type:** Accident
- **Date:** 2021-06-16
- **Location:** Parker, CO, USA
- **Coordinates:** 39.507794, -104.85518
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ANTENOR VELAZCO
- **Model:** LANCAIR EVOLUTION
- **Registration:** N704AK
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s diversion of attention following an asymmetric flap deployment, which resulted in a descent and collision with powerlines. Contributing to the accident was maintenance personnel’s failure to properly secure the flap control rod attachment bolts, their failure to identify that the bolts were improperly secured during the subsequent condition inspection, and the pilot’s inadequate preflight inspections.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN21FA272) · AI Analytics · CC0 1.0*