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When a B737-800 flight crew became aware they would be unable to comply with a crossing restriction on the ywt RNAV STAR to cyyz they advised ATC.
| Attributes | |
| ACN | 1048162 |
| Time | |
| Date | 201211 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | CYYZ.Airport |
| State Reference | ON |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR YWT RNAV |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 15000 |
| Events | |
| Anomaly | Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance |
Narrative:
We were cleared for the YWT4 [waterloo four] RNAV STAR; descend to 11;000 MSL. The FMC was programmed and on VNAV path. When it became clear we would not make the intermediate crossing restrictions we contacted ATC.
Original NASA ASRS Text
Title: When a B737-800 flight crew became aware they would be unable to comply with a crossing restriction on the YWT RNAV STAR to CYYZ they advised ATC.
Narrative: We were cleared for the YWT4 [WATERLOO FOUR] RNAV STAR; descend to 11;000 MSL. The FMC was programmed and on VNAV PATH. When it became clear we would not make the intermediate crossing restrictions we contacted ATC.
Data retrieved from NASA's ASRS site as of July 2013 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.