# NTSB Incident DEN89IA067
> **BOEING 707-323B** · 1989-01-22 · SALT LAKE CITY, UT, USA · NONE
## Event
- **NTSB number:** DEN89IA067
- **Event ID:** 20001213X27565
- **Type:** Incident
- **Date:** 1989-01-22
- **Location:** SALT LAKE CITY, UT, USA
- **Coordinates:** 40.80904, -111.940834
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 194
- **Total aboard:** 194
## Aircraft
- **Make:** BOEING
- **Model:** 707-323B
- **Registration:** N712PC
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE PILOT-IN-COMMAND'S ATTEMPT TO ALIGN THE AIRPLANE WITH THE RUNWAY AT AN ALTITUDE INSUFFICIENT FOR SAFE MANEUVERING, RESULTING IN THE NO. 1 ENGINE STRIKING THE RUNWAY. CONTRIBUTING FACTORS INCLUDE OBSCURED VISIBILITY DUE TO FOG, THE CAPTAIN'S LOSS OF DEPTH PERCEPTION, AND PILOT FATIGUE DUE TO DISRUPTED CIRCADIAN RHYTHM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89IA067) · AI Analytics · CC0 1.0*