# NTSB Accident CHI91FA035
> **PIPER PA-31T2** · 1990-11-29 · DES MOINES, IA, USA · FATL
## Event
- **NTSB number:** CHI91FA035
- **Event ID:** 20001212X24589
- **Type:** Accident
- **Date:** 1990-11-29
- **Location:** DES MOINES, IA, USA
- **Coordinates:** 41.530776, -93.659553
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-31T2
- **Registration:** N1879W
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER EMERGENCY PROCEDURES BY NOT FEATHERING THE LEFT ENGINE AFTER IT LOST POWER AND/OR WAS SHUT DOWN, AND HIS FAILURE TO KEEP THE AIRCRAFT AT OR ABOVE THE MINIMUM CONTROL AIRSPEED (VMC), WHICH RESULTED IN A LOSS OF AIRCRAFT CONTROL.  A FACTOR RELATED TO THE ACCIDENT WAS: AN UNDETERMINED PROBLEM CONCERNING THE LEFT ENGINE THAT CAUSED IT TO LOSE POWER OR PROMPTED THE PILOT TO SHUT IT DOWN.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91FA035) · AI Analytics · CC0 1.0*