# NTSB Accident CEN09LA154
> **ULTRA FLIGHT LLC CHALLENGER** · 2009-01-21 · Waldron, MO, USA · SERS
## Event
- **NTSB number:** CEN09LA154
- **Event ID:** 20090206X95801
- **Type:** Accident
- **Date:** 2009-01-21
- **Location:** Waldron, MO, USA
- **Coordinates:** 39.220096, -94.719383
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ULTRA FLIGHT LLC
- **Model:** CHALLENGER
- **Registration:** N805FA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall. Contributing to the accident were the pilot's lack of experience in the make and model of airplane, the inoperative flight instruments and the pilot's failure to abort the flight due to the inoperative flight instruments.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN09LA154) · AI Analytics · CC0 1.0*