# NTSB Accident ANC25LA028
> **PIPER PA-28-140** · 2025-03-27 · Royal Kunia, HI, USA · MINR
## Event
- **NTSB number:** ANC25LA028
- **Event ID:** 20250328199932
- **Type:** Accident
- **Date:** 2025-03-27
- **Location:** Royal Kunia, HI, USA
- **Coordinates:** 21.412104, -158.03393
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-140
- **Registration:** N261FC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Improper alteration of the crankshaft propeller flange at an unknown time, which resulted in an in-flight separation of the propeller assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC25LA028) · AI Analytics · CC0 1.0*