# NTSB Accident ATL90FA183
> **GRUMMAN AA5B** · 1990-09-30 · GALLATIN, TN, USA · FATL
## Event
- **NTSB number:** ATL90FA183
- **Event ID:** 20001212X24178
- **Type:** Accident
- **Date:** 1990-09-30
- **Location:** GALLATIN, TN, USA
- **Coordinates:** 36.369892, -86.44905
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** GRUMMAN
- **Model:** AA5B
- **Registration:** N81099
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN THE PROPER ALTITUDE WHICH RESULTED IN THE INADVERTENT DESCENT INTO THE GROUND, AND HIS DIVERTED ATTENTION TO ANOTHER AIRPLANE. FACTORS IN THE ACCIDENT WERE FOG, DARK NIGHT, FATIGUE FROM LACK OF SLEEP, AND A LACK OF RECENT NIGHT LANDINGS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL90FA183) · AI Analytics · CC0 1.0*