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Air carrier medium large transport less than standard separation 40 NM southeast of bty nv at cruise altitude. Reporter says second incident in 2 weeks on this route.
| Attributes | |
| ACN | 115909 |
| Time | |
| Date | 198906 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : bty |
| State Reference | NV |
| Altitude | msl bound lower : 30000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute : direct enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 170 flight time total : 15000 flight time type : 6000 |
| ASRS Report | 115909 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 24000 vertical : 1000 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
En route phx-sfo. Approximately over las, cleared direct bty VOR to maintain FL310. At location above, controller directed turn to right of 15 degree, followed by request to descend to FL300. We complied, and saw another air carrier aircraft pass ahead of us 3-4 mi at FL310. Note: my second such incident in 2 weeks.
Original NASA ASRS Text
Title: ACR MLG LESS THAN STANDARD SEPARATION 40 NM SE OF BTY NV AT CRUISE ALT. REPORTER SAYS SECOND INCIDENT IN 2 WEEKS ON THIS ROUTE.
Narrative: ENRTE PHX-SFO. APPROX OVER LAS, CLRED DIRECT BTY VOR TO MAINTAIN FL310. AT LOCATION ABOVE, CTLR DIRECTED TURN TO RIGHT OF 15 DEG, FOLLOWED BY REQUEST TO DSND TO FL300. WE COMPLIED, AND SAW ANOTHER AIR CARRIER ACFT PASS AHEAD OF US 3-4 MI AT FL310. NOTE: MY SECOND SUCH INCIDENT IN 2 WEEKS.
Data retrieved from NASA's ASRS site as of August 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.