# NTSB Accident FTW98LA315
> **Bell 47-GB31** · 1998-07-17 · OLATHE, CO, USA · NONE
## Event
- **NTSB number:** FTW98LA315
- **Event ID:** 20001211X10583
- **Type:** Accident
- **Date:** 1998-07-17
- **Location:** OLATHE, CO, USA
- **Coordinates:** 38.600212, -107.979423
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Bell
- **Model:** 47-GB31
- **Registration:** N92HA
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadequate in-flight planning which resulted in an encounter with his own wake turbulence.  Related factors were high density altitude and wake turbulence.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW98LA315) · AI Analytics · CC0 1.0*