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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Aircraft Y climb through occupied altitude had less than standard separation from aircraft X. System error. Potential conflict.
| Attributes | |
| ACN | 218123 |
| Time | |
| Date | 199208 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : lax |
| State Reference | CA |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sna tracon : lax |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | oversight : coordinator |
| Qualification | controller : radar |
| ASRS Report | 218123 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : handoff position |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other other : unspecified atc |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | horizontal : 9000 vertical : 500 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
There was no ARTS III-a tag on aircraft X (4000 ft) (sli-lax- vny). DH1 called radar contact but did not start ARTS III-a track. Aircraft X was 2 mi west of lax northbound and was 1.5 mi from another aircraft Y at 4500 ft climbing to 6000 ft also northbound (IFR).
Original NASA ASRS Text
Title: ACFT Y CLB THROUGH OCCUPIED ALT HAD LTSS FROM ACFT X. SYS ERROR. POTENTIAL CONFLICT.
Narrative: THERE WAS NO ARTS III-A TAG ON ACFT X (4000 FT) (SLI-LAX- VNY). DH1 CALLED RADAR CONTACT BUT DID NOT START ARTS III-A TRACK. ACFT X WAS 2 MI W OF LAX NBOUND AND WAS 1.5 MI FROM ANOTHER ACFT Y AT 4500 FT CLBING TO 6000 FT ALSO NBOUND (IFR).
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.