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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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| Attributes | |
| ACN | 689774 |
| Time | |
| Date | 200603 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : flw.vortac |
| State Reference | CA |
| Altitude | msl single value : 26000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla.artcc |
| Operator | common carrier : air taxi |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 135 |
| Flight Phase | cruise : enroute altitude change |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zla.artcc |
| Make Model Name | Citationjet C525/C526 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : handoff position |
| Experience | controller radar : 20.5 controller time certified in position1 : 17 controller time certified in position2 : 6 |
| ASRS Report | 689774 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Events | |
| Anomaly | non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance 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:
I have been on the sector for approximately 1 hour. The radar controller was on position for about 5-10 mins. The C525 was on an uncommon route. The radar controller issued a descent clearance to the E120 from FL270 to FL240. When the E120 was 13 mi west of the C525 level at FL260; we both recognized the conflict a few updates later after the E120 left FL270. The radar controller turned both aircraft 40 degrees. The bigger issue here is the contributing factor. ZLA management issued a letter 1 week earlier; threatening disciplinary action to anyone not using a 5 mi 'bubble' on any aircraft involved in an operational error. They threatened disciplinary action on any controller not using a 5 mi bubble when it is appropriate. I believe that these threats are a distraction to the controller working the sector; and will lead to even more operational errors. Since this letter came out; we had 3 errors in the first 8 days. This letter by management came about because as a facility we had a rash of errors during the months of january and february.
Original NASA ASRS Text
Title: ZLA RADAR ASSOCIATE CTLR DESCRIBED OPERROR AT FL260 WHEN CTLR FAILED TO RECOGNIZE A CONFLICT DEVELOPING; ISSUING CORRECTIVE ACTION TOO LATE.
Narrative: I HAVE BEEN ON THE SECTOR FOR APPROX 1 HR. THE RADAR CTLR WAS ON POS FOR ABOUT 5-10 MINS. THE C525 WAS ON AN UNCOMMON RTE. THE RADAR CTLR ISSUED A DSCNT CLRNC TO THE E120 FROM FL270 TO FL240. WHEN THE E120 WAS 13 MI W OF THE C525 LEVEL AT FL260; WE BOTH RECOGNIZED THE CONFLICT A FEW UPDATES LATER AFTER THE E120 LEFT FL270. THE RADAR CTLR TURNED BOTH ACFT 40 DEGS. THE BIGGER ISSUE HERE IS THE CONTRIBUTING FACTOR. ZLA MGMNT ISSUED A LETTER 1 WK EARLIER; THREATENING DISCIPLINARY ACTION TO ANYONE NOT USING A 5 MI 'BUBBLE' ON ANY ACFT INVOLVED IN AN OPERROR. THEY THREATENED DISCIPLINARY ACTION ON ANY CTLR NOT USING A 5 MI BUBBLE WHEN IT IS APPROPRIATE. I BELIEVE THAT THESE THREATS ARE A DISTR TO THE CTLR WORKING THE SECTOR; AND WILL LEAD TO EVEN MORE OPERATIONAL ERRORS. SINCE THIS LETTER CAME OUT; WE HAD 3 ERRORS IN THE FIRST 8 DAYS. THIS LETTER BY MGMNT CAME ABOUT BECAUSE AS A FACILITY WE HAD A RASH OF ERRORS DURING THE MONTHS OF JANUARY AND FEBRUARY.
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.