# NTSB Accident LAX01LA149
> **Cessna 172B** · 2001-04-18 · Lancaster, CA, USA · SERS
## Event
- **NTSB number:** LAX01LA149
- **Event ID:** 20010420X00786
- **Type:** Accident
- **Date:** 2001-04-18
- **Location:** Lancaster, CA, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** Cessna
- **Model:** 172B
- **Registration:** N4672L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's delay reversing course while flying toward rising terrain in a box canyon.  Factors in the accident included a downdraft on the lee side of a ridge forming the box canyon, high density altitude, and the pilot's improper use of flaps.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX01LA149) · AI Analytics · CC0 1.0*