# NTSB Accident DEN91LA021
> **GULFSTREAM AA-5B** · 1990-11-25 · ERIE, CO, USA · NONE
## Event
- **NTSB number:** DEN91LA021
- **Event ID:** 20001212X24605
- **Type:** Accident
- **Date:** 1990-11-25
- **Location:** ERIE, CO, USA
- **Coordinates:** 40.020362, -105.0391
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** GULFSTREAM
- **Model:** AA-5B
- **Registration:** N4557E
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

IMPROPER FLARE BY THE PILOT, WHICH RESULTED IN A HARD LANDING.  A REALTED FACTOR WAS: LOW LIGHT CONDITION AT DUSK.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN91LA021) · AI Analytics · CC0 1.0*