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ARTCC radar controller climbed an air carrier aircraft using visual separation through a corp aircraft at FL180. Reporter thought it was legal to use visual separation at that altitude.
| Attributes | |
| ACN | 353261 |
| Time | |
| Date | 199611 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | msl bound lower : 18000 msl bound upper : 18000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau tower : cmh |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : corporate |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller military : 4 controller non radar : 2 controller radar : 10 |
| ASRS Report | 353261 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure |
| Independent Detector | atc equipment other atc equipment : unspecified |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 22200 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft X was climbed from 17000 ft to FL210 using visual from aircraft Y at FL180. I was told that this was an appropriate circumstance and legal application of the visual separation rule.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR CLBED AN ACR ACFT USING VISUAL SEPARATION THROUGH A CORP ACFT AT FL180. RPTR THOUGHT IT WAS LEGAL TO USE VISUAL SEPARATION AT THAT ALT.
Narrative: ACFT X WAS CLBED FROM 17000 FT TO FL210 USING VISUAL FROM ACFT Y AT FL180. I WAS TOLD THAT THIS WAS AN APPROPRIATE CIRCUMSTANCE AND LEGAL APPLICATION OF THE VISUAL SEPARATION RULE.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.