 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Air carrier has track deviation near linden, ca, after they loaded an apparent routing change incorrectly into the FMC.
| Attributes | |
| ACN | 485180 |
| Time | |
| Date | 200009 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : lin.vortac |
| State Reference | CA |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zoa.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : atp pilot : commercial pilot : instrument pilot : private |
| Experience | flight time last 90 days : 170 flight time total : 4000 flight time type : 780 |
| ASRS Report | 485180 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 8900 flight time type : 5150 |
| ASRS Report | 484516 |
| Events | |
| Anomaly | non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | other controllerb |
| Resolutory Action | controller : issued new clearance |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Our filed plan was: pdx..btg J189 ave.SADDE6.lax. The actual clearance contained a revised segment 'J189 lmt.' we programmed the FMC as J189 lmt direct ave SADDE6. At approximately 40 NM north of lin, ZOA asked if we were going direct to linden. We said no, direct avenal. Controller asked if prior frequency cleared us direct avenal. We believed after lmt we were cleared to avenal as per our pre-departure clearance. The controller cleared us direct avenal at this point. If ATC intended us to fly the originally filed route, I don't understand the purpose of the revised segment in the pre-departure clearance. There was no traffic conflict.
Original NASA ASRS Text
Title: ACR HAS TRACK DEV NEAR LINDEN, CA, AFTER THEY LOADED AN APPARENT ROUTING CHANGE INCORRECTLY INTO THE FMC.
Narrative: OUR FILED PLAN WAS: PDX..BTG J189 AVE.SADDE6.LAX. THE ACTUAL CLRNC CONTAINED A REVISED SEGMENT 'J189 LMT.' WE PROGRAMMED THE FMC AS J189 LMT DIRECT AVE SADDE6. AT APPROX 40 NM N OF LIN, ZOA ASKED IF WE WERE GOING DIRECT TO LINDEN. WE SAID NO, DIRECT AVENAL. CTLR ASKED IF PRIOR FREQ CLRED US DIRECT AVENAL. WE BELIEVED AFTER LMT WE WERE CLRED TO AVENAL AS PER OUR PRE-DEP CLRNC. THE CTLR CLRED US DIRECT AVENAL AT THIS POINT. IF ATC INTENDED US TO FLY THE ORIGINALLY FILED RTE, I DON'T UNDERSTAND THE PURPOSE OF THE REVISED SEGMENT IN THE PRE-DEP CLRNC. THERE WAS NO TFC CONFLICT.
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.