# NTSB Accident LAX01LA256
> **Cessna R172K** · 2001-07-21 · Mammoth Lakes, CA, USA · SERS
## Event
- **NTSB number:** LAX01LA256
- **Event ID:** 20010725X01512
- **Type:** Accident
- **Date:** 2001-07-21
- **Location:** Mammoth Lakes, CA, USA
- **Coordinates:** 37.5625, -119.044723
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Cessna
- **Model:** R172K
- **Registration:** N736YR
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadequate in-flight planning and his failure to maintain sufficient altitude above the terrain.  Factors were the high terrain and the blind canyon.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX01LA256) · AI Analytics · CC0 1.0*