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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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ZID controller experienced operational error at 11000 ft assuming an aircraft had vacated a conflicting altitude.
| Attributes | |
| ACN | 652038 |
| Time | |
| Date | 200503 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | navaid : iiu.vortac |
| State Reference | KY |
| Altitude | msl single value : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller time certified in position1 : 17 |
| ASRS Report | 652038 |
| 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 other controllera |
| Resolutory Action | controller : issued alert |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 27000 vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft #2 stopped at 11000 ft; thinking aircraft #1 was out of 11800 ft. Aircraft #1 was actually leaving 10800 ft.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED OPERROR AT 11000 FT ASSUMING AN ACFT HAD VACATED A CONFLICTING ALT.
Narrative: ACFT #2 STOPPED AT 11000 FT; THINKING ACFT #1 WAS OUT OF 11800 FT. ACFT #1 WAS ACTUALLY LEAVING 10800 FT.
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.