# NTSB Accident CHI91LA299
> **PIPER PA-23-250** · 1991-09-20 · BOSCOBEL, WI, USA · NONE
## Event
- **NTSB number:** CHI91LA299
- **Event ID:** 20001212X18072
- **Type:** Accident
- **Date:** 1991-09-20
- **Location:** BOSCOBEL, WI, USA
- **Coordinates:** 43.130714, -90.700698
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-23-250
- **Registration:** N915PM
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER REMEDIAL ACTION BY THE PILOT-IN-COMMAND (PIC), AND INADEQUATE MONITORING BY THE DESIGNATED PILOT EXAMINER (DPE) DURING A SIMULATED EMERGENCY PROCEDURE.  FACTORS RELATED TO THE ACCIDENT WERE: THE LOSS OF POWER IN ONE ENGINE DUE TO AN UNDETERMINED REASON, AND OBSTRUCTIONS IN THE EMERGENCY LANDING AREA THAT REQUIRED A DELAY OF GEAR EXTENSION IN ORDER TO REACH A CLEAR AREA.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA299) · AI Analytics · CC0 1.0*