# NTSB Accident WPR11LA463
> **CESSNA 177** · 2011-09-23 · Rock Springs, WY, USA · NONE
## Event
- **NTSB number:** WPR11LA463
- **Event ID:** 20110923X40934
- **Type:** Accident
- **Date:** 2011-09-23
- **Location:** Rock Springs, WY, USA
- **Coordinates:** 41.588333, -109.026664
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** CESSNA
- **Model:** 177
- **Registration:** N3152T
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11LA463) · AI Analytics · CC0 1.0*