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B737-300 flight crew failed to notice change in departure on pre departure clearance message. ATC informed flight crew of deviation and issued new clearance.
| Attributes | |
| ACN | 788465 |
| Time | |
| Date | 200805 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lax.airport |
| State Reference | CA |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : initial |
| Route In Use | departure sid : loop |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time type : 13000 |
| ASRS Report | 788465 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 260 flight time type : 3000 |
| ASRS Report | 788461 |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to original clearance flight crew : returned to intended or assigned course |
| Supplementary | |
| Problem Areas | Chart Or Publication Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
When asked by departure which departure we were on we replied the LOOP4. He said we should be on the OSHNN3 and that the LOOP4 was never used before (unknown) time. We responded that our pre departure clearance clearance was the LOOP4. We then loaded the OSHNN3 departure in the FMC and were cleared to the pevee point and resumed the departure. During climbout we reviewed the pre departure clearance clearance and determined that we had both missed the amended clearance. I think there are at least two questions/points that need to be addressed: 1) why are company flights being filed for a departure that is never used at that time of day from lax (or any other airport). 2) why is the wrong route still displayed in the pre departure clearance? In other words; if the routing has changed; why doesn't the new routing replace the old/incorrect routing in the main text in the pre departure clearance?
Original NASA ASRS Text
Title: B737-300 FLT CREW FAILED TO NOTICE CHANGE IN DEP ON PDC MESSAGE. ATC INFORMED FLT CREW OF DEVIATION AND ISSUED NEW CLRNC.
Narrative: WHEN ASKED BY DEPARTURE WHICH DEPARTURE WE WERE ON WE REPLIED THE LOOP4. HE SAID WE SHOULD BE ON THE OSHNN3 AND THAT THE LOOP4 WAS NEVER USED BEFORE (UNKNOWN) TIME. WE RESPONDED THAT OUR PDC CLEARANCE WAS THE LOOP4. WE THEN LOADED THE OSHNN3 DEPARTURE IN THE FMC AND WERE CLEARED TO THE PEVEE POINT AND RESUMED THE DEPARTURE. DURING CLIMBOUT WE REVIEWED THE PDC CLEARANCE AND DETERMINED THAT WE HAD BOTH MISSED THE AMENDED CLEARANCE. I THINK THERE ARE AT LEAST TWO QUESTIONS/POINTS THAT NEED TO BE ADDRESSED: 1) WHY ARE COMPANY FLIGHTS BEING FILED FOR A DEPARTURE THAT IS NEVER USED AT THAT TIME OF DAY FROM LAX (OR ANY OTHER AIRPORT). 2) WHY IS THE WRONG ROUTE STILL DISPLAYED IN THE PDC? IN OTHER WORDS; IF THE ROUTING HAS CHANGED; WHY DOESN'T THE NEW ROUTING REPLACE THE OLD/INCORRECT ROUTING IN THE MAIN TEXT IN THE PDC?
Data retrieved from NASA's ASRS site as of May 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.