ASN Wikibase Occurrence # 378338
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| Date: | Sunday 30 September 1984 |
| Time: | 17:58 LT |
| Type: |  Boeing VC-137B (707-153) |
| Owner/operator: | USAF, 89th Military Airlift Wing |
| Registration: | 58-6971 |
| MSN: | 17926 |
| Engine model: | P&W TF-33 |
| Fatalities: | Fatalities: 0 / Occupants: 45 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Akron, OH -
 United States of America
|
| Phase: | En route |
| Nature: | Military |
| Departure airport: | Cleveland, OH (CLE) |
| Camp Springs, MD (ADW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
BOEING VC-137B-BW, USAF #58-6971, OPERATING AS AIR FORCE 2 (AF-2), DEPARTED CLEVELAND, OH, AT ABOUT 1745 EDT ON AN IFR CLEARANCE. AFTER DEPARTING CLEVELAND, AF-2 WAS ASSIGNED AN ALT OF 8000 FT MSL BY CLEVELAND DEPARTURE CONTROL & WAS TRANSFERED TO CLEVELAND ARTCC. ON INITIAL CONTACT WITH CLEVELAND ARTCC, AF-2 WAS CLEARED TO CLIMB TO FLT LEVEL 230. A CESSNA 310J, N3057L, WAS CRUISING IN THE SAME VICINITY ON AN IFR CLEARANCE AT 13,000 FT & WAS ALSO UNDER CONTROL OF CLEVELAND ARTCC. AS AF-2 WAS CLIMBING THRU 12,200, ARTCC'S ATC COMPUTER CONFLICT ALERT FUNCTION WAS ACTIVATED FOR BOTH ACFT, ALERTING THE CONTROLLER OF A PENDING LOSS OF REQUIRED SEPARATION. THE CONTROLLER INSTRUCTED AF-2 TO MAINTAIN 12,000 FT. AF-2 ACKNOWLEDGED. HOWEVER, AF-2 REACHED APRX 13,000 FT BEFORE STARTING DESCENT & SEPN CONTD DECREASING.
RADAR DATA SHOWED A MIN SLANT RANGE DIST OF 1/4 MI WITH 600 FT VERT SEPN. THIS CONSTITUTED AN ATC OPERATIONAL ERROR INVOLVING LESS THAN STANDARD SEPN. THE ACFT WERE IN IMC & NONE OF THE PLTS SAW THE CONFLICTING TRAFFIC.
Findings
1. (C) IFR SEPARATION STANDARDS - NOT MAINTAINED - ATC PERSONNEL(ARTCC)
Accident investigation:
 |
|
Sources:
NTSB DCA84IA001
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Mar-2024 07:25 | ASN Update Bot | Added |
| 31-Mar-2024 07:36 | ASN | Updated [Aircraft type, Registration, Cn, Operator, Total occupants, Nature, Departure airport, Destination airport, Narrative] |
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