# NTSB Accident CHI91DCD02
> **Canadian Car & Foundry HARVARD MARK IV** · 1991-08-11 · IDA GROVE, IA, USA · FATL
## Event
- **NTSB number:** CHI91DCD02
- **Event ID:** 20001212X17787
- **Type:** Accident
- **Date:** 1991-08-11
- **Location:** IDA GROVE, IA, USA
- **Coordinates:** 42.339908, -95.470367
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Canadian Car & Foundry
- **Model:** HARVARD MARK IV
- **Registration:** N15795
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN AIRSPEED.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91DCD02) · AI Analytics · CC0 1.0*