# NTSB Accident MIA91LA021
> **CESSNA 170** · 1990-11-04 · PATILLAS, PR · NONE
## Event
- **NTSB number:** MIA91LA021
- **Event ID:** 20001212X24658
- **Type:** Accident
- **Date:** 1990-11-04
- **Location:** PATILLAS, PR
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** CESSNA
- **Model:** 170
- **Registration:** N4023V
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE ACCIDENT WAS FAILURE OF THE NON CERTIFICATED PILOT TO LOWER THE FLAPS TO THE CORRECT POSITION FOR TAKEOFF AND FAILURE TO ABORT THE TAKEOFF DUE TO INSUFFICIENT ACCELERATION.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA91LA021) · AI Analytics · CC0 1.0*