# NTSB Accident DCA90MA055
> **BOEING 707-321B** · 1990-09-20 · MARANA, AZ, USA · FATL
## Event
- **NTSB number:** DCA90MA055
- **Event ID:** 20001212X24238
- **Type:** Accident
- **Date:** 1990-09-20
- **Location:** MARANA, AZ, USA
- **Coordinates:** 32.450828, -111.290298
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** BOEING
- **Model:** 707-321B
- **Registration:** N320MJ
- **FAR Part:** 091
- **Engines:** 4
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER PREFLIGHT PLANNING/PREPARATION BY THE PILOT, AND HIS FAILURE TO USE A CHECKLIST. FACTORS RELATED TO THE ACCIDENT WERE: THE FAA'S INADEQUATE SURVEILLANCE OF THE OPERATION, THE FAA'S INSUFFICIENT STANDARDS/REQUIREMENTS, THE PILOT'S OPERATION OF THE AIRCRAFT WITH KNOWN DEFICIENCES, AND HIS LACK OF RECENT EXPERIENCE IN THE TYPE OF AIRCRAFT.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DCA90MA055) · AI Analytics · CC0 1.0*