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ARTCC radar controller accepted a handoff on an mdt prior to legal separation being acquired with an small transport. Operational error.
| Attributes | |
| ACN | 159428 |
| Time | |
| Date | 199010 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : hto |
| State Reference | NY |
| Altitude | msl bound lower : 10000 msl bound upper : 10700 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Small Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute airway : zbw |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport, High Wing, 2 Turboprop Eng |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : flight data |
| Qualification | controller : non radar |
| ASRS Report | 159428 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 19800 vertical : 700 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Radar controller was in communication with small transport X, who was climbing to 16000'. New york approach was working mdt Y. Radar controller took a mileage measurement, which read 3.3 mi. Soon after this mdt Y reports on the frequency level at 10000'. Small transport X was climbing out of 10700' MSL. No evasive action was taken to correct this ny approach should simply give us the required 5 mi sep.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR ACCEPTED A HDOF ON AN MDT PRIOR TO LEGAL SEPARATION BEING ACQUIRED WITH AN SMT. OPERROR.
Narrative: RADAR CTLR WAS IN COM WITH SMT X, WHO WAS CLBING TO 16000'. NEW YORK APCH WAS WORKING MDT Y. RADAR CTLR TOOK A MILEAGE MEASUREMENT, WHICH READ 3.3 MI. SOON AFTER THIS MDT Y RPTS ON THE FREQ LEVEL AT 10000'. SMT X WAS CLBING OUT OF 10700' MSL. NO EVASIVE ACTION WAS TAKEN TO CORRECT THIS NY APCH SHOULD SIMPLY GIVE US THE REQUIRED 5 MI SEP.
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.