# NTSB Accident CHI07LA050
> **Beech B-99** · 2006-12-29 · Rapid City, SD, USA · MINR
## Event
- **NTSB number:** CHI07LA050
- **Event ID:** 20070105X00010
- **Type:** Accident
- **Date:** 2006-12-29
- **Location:** Rapid City, SD, USA
- **Coordinates:** 44.053333, -103.061943
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Beech
- **Model:** B-99
- **Registration:** N99TH
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NITE
- **Weather:** IMC
## Probable cause

The pilot's failure to follow the published instrument approach procedure which contributed to his failure to maintain altitude and clearance from terrain during the instrument approach. A factor was the night light condition.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI07LA050) · AI Analytics · CC0 1.0*