# NTSB Accident WPR11FA050
> **DIAMOND AIRCRAFT IND INC DA20-C1** · 2010-11-17 · Payson, UT, USA · FATL
## Event
- **NTSB number:** WPR11FA050
- **Event ID:** 20101117X70315
- **Type:** Accident
- **Date:** 2010-11-17
- **Location:** Payson, UT, USA
- **Coordinates:** 40.037498, -111.739723
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** DIAMOND AIRCRAFT IND INC
- **Model:** DA20-C1
- **Registration:** N978CT
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilots' failure to maintain adequate airspeed during a slow flight maneuver that resulted in a stall and spin, and the flight instructor’s delayed or improper remedial actions to recover from the spin. Contributing to the accident was the flight school’s inadequate safety program.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11FA050) · AI Analytics · CC0 1.0*