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ZNY controller experienced operational error at approximately FL330 when assigning FL240 thinking FL340 was issued.
| Attributes | |
| ACN | 668869 |
| Time | |
| Date | 200508 |
| Place | |
| Locale Reference | airport : jfk.airport |
| State Reference | NY |
| Altitude | msl single value : 33700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : vacating altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zny.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Citation Excel |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : non radar controller : radar pilot : instrument |
| Experience | controller non radar : 8 controller radar : 20 controller supervisory : 4 controller time certified in position1 : 3 flight time total : 750 |
| ASRS Report | 668869 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert aircraft equipment : tcas other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 12000 vertical : 700 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I thought I cleared aircraft #1 to FL340. I actually cleared the aircraft to FL240. Aircraft #2 was at FL330. I called traffic to both aircraft. Aircraft #1 leveled at FL337.
Original NASA ASRS Text
Title: ZNY CTLR EXPERIENCED OPERROR AT APPROX FL330 WHEN ASSIGNING FL240 THINKING FL340 WAS ISSUED.
Narrative: I THOUGHT I CLRED ACFT #1 TO FL340. I ACTUALLY CLRED THE ACFT TO FL240. ACFT #2 WAS AT FL330. I CALLED TFC TO BOTH ACFT. ACFT #1 LEVELED AT FL337.
Data retrieved from NASA's ASRS site as of January 2009 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.