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Reported situation in which a B737 descended below the prescribed altitude at a crossing fix on the runway 25L approach. Reporter stated there are 40 documented occurrences of aircraft descending below the crossing altitude at this fix. Descent below the crossing altitude conflicts with 2 en route airways.
| Attributes | |
| ACN | 341213 |
| Time | |
| Date | 199607 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 7300 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : lax tower : pwk |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller non radar : 6 controller radar : 6 |
| ASRS Report | 341213 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met non adherence : published procedure |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
Aircraft descending on the lax runway 25L localizer have been unable to meet a crossing restr (fuelr intersection at 8000 ft). There have been in excess of 40 documented occurrences. Crossing fuelr below 8000 ft conflicts with en route traffic on V186 and V363.
Original NASA ASRS Text
Title: RPTED SIT IN WHICH A B737 DSNDED BELOW THE PRESCRIBED ALT AT A XING FIX ON THE RWY 25L APCH. RPTR STATED THERE ARE 40 DOCUMENTED OCCURRENCES OF ACFT DSNDING BELOW THE XING ALT AT THIS FIX. DSCNT BELOW THE XING ALT CONFLICTS WITH 2 ENRTE AIRWAYS.
Narrative: ACFT DSNDING ON THE LAX RWY 25L LOC HAVE BEEN UNABLE TO MEET A XING RESTR (FUELR INTXN AT 8000 FT). THERE HAVE BEEN IN EXCESS OF 40 DOCUMENTED OCCURRENCES. XING FUELR BELOW 8000 FT CONFLICTS WITH ENRTE TFC ON V186 AND V363.
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.