# NTSB Accident CEN25LA403
> **AERONCA 11AC** · 2025-09-29 · Longmont, CO, USA · NONE
## Event
- **NTSB number:** CEN25LA403
- **Event ID:** 20250930201754
- **Type:** Accident
- **Date:** 2025-09-29
- **Location:** Longmont, CO, USA
- **Coordinates:** 40.1672, -105.1019
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** AERONCA
- **Model:** 11AC
- **Registration:** N86326
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion and the pilot’s improper landing flare which resulted in a hard landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN25LA403) · AI Analytics · CC0 1.0*