ASN Wikibase Occurrence # 373338
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| Date: | Tuesday 31 March 1987 |
| Time: | 16:57 LT |
| Type: |  Dassault Falcon 50 |
| Owner/operator: | Dow Chemical |
| Registration: | N52DC |
| MSN: | 51 |
| Engine model: | AIRESEARCH TFE 731-3-1C |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Cleveland, OH -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Saginaw, MI (KMBS) |
| Washington, DC (DCA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AN OPNL ERROR DEVELOPED AS A FALCON 50, N52DC, WAS PROCEEDING SE TOWARD THE DRYER VOR AT FL290 & NORTHWEST FLT 427 WAS PROCEEDING WESTBOUND AT THE SAME ALT TOWARD THE SAME FIX (DRYER VOR). WHEN THE FULL PERFORMANCE LVL (FPL) CONTROLLER (CTLR) SAW THE SITUATION DEVELOPING, HE PROVIDED AVOIDANCE VECTORS TO EACH ACFT. HOWEVER, THEY PASSED EACH OTHER WITH ABOUT 1.5 MI HORIZONTAL SEPN & 800' VERTICAL SEPN. THE WORKLOAD HAD BECOME HEAVY & COMPLEX JUST PRIOR TO THE OCCURRENCE. AS THE TRACKER WAS NOTIFYING THE FPL CTLR OF THE CONFLICT, THE CONFLICT ALERT WAS ACTIVATED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB CHI87IA112
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Mar-2024 12:00 | ASN Update Bot | Added |
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