# NTSB Accident CHI91LA161
> **PIPER PA-22-160** · 1991-05-21 · MANKATO, MN, USA · NONE
## Event
- **NTSB number:** CHI91LA161
- **Event ID:** 20001212X16954
- **Type:** Accident
- **Date:** 1991-05-21
- **Location:** MANKATO, MN, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-22-160
- **Registration:** N2906Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PARTIAL LOSS OF ENGINE POWER DUE TO AN UNLOCKED ENGINE PRIMER. FACTORS RELATED TO THE ACCIDENT WERE THAT THE PRE TAKEOFF CHECK LIST WAS NOT FOLLOWED BY THE PILOT AND THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA161) · AI Analytics · CC0 1.0*