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An air carrier captain flying the dca lda Z runway 19 on IOE; apparently descended below the wevpu fix altitude and momentarily responded to the egpws 'obstacle' alert before becoming VMC and landing.
| Attributes | |
| ACN | 1307960 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | DCA.Airport |
| State Reference | VA |
| Aircraft 1 | |
| Make Model Name | Medium Transport Low Wing 2 Turboprop Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Altitude Overshoot Deviation - Procedural Published Material / Policy Inflight Event / Encounter Unstabilized Approach Inflight Event / Encounter Weather / Turbulence Inflight Event / Encounter CFTT / CFIT |
Narrative:
First day on IOE. Third leg. Vectors to a course to visually pick up the river for the river visual 19. Just after those instructions we were asked to switch to the lda Z. After passing the FAF and descending to the MDA we heard an 'obstacle' aural warning. At this time we broke out of the clouds (unadvertised momentary layer). Checkairmen took controls and performed the GPWS escape maneuver. Momentary stick shaker. Now in visual conditions; obstacle/airport in sight we elected to land with no further incidents.upon review; we did not catch an intermediate step down fix that was not loaded into the FMS causing us to descend below altitude.
Original NASA ASRS Text
Title: An air carrier Captain flying the DCA LDA Z Runway 19 on IOE; apparently descended below the WEVPU fix altitude and momentarily responded to the EGPWS 'OBSTACLE' alert before becoming VMC and landing.
Narrative: First day on IOE. Third leg. Vectors to a course to visually pick up the river for the River Visual 19. Just after those instructions we were asked to switch to the LDA Z. After passing the FAF and descending to the MDA we heard an 'Obstacle' aural warning. At this time we broke out of the clouds (unadvertised momentary layer). Checkairmen took controls and performed the GPWS escape maneuver. Momentary stick shaker. Now in visual conditions; obstacle/airport in sight we elected to land with no further incidents.Upon review; we did not catch an intermediate step down fix that was not loaded into the FMS causing us to descend below altitude.
Data retrieved from NASA's ASRS site 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.