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An erj crew on the dca frdmm 1 arrival was deleting duplicate frdmm FMS waypoints and failed to begin the descent which caused the aircraft to cross morll at FL211 instead of FL200.
| Attributes | |
| ACN | 1055816 |
| Time | |
| Date | 201212 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | PCT.TRACON |
| State Reference | VA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Route In Use | STAR FRDMM 1 |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Inflight Event / Encounter Weather / Turbulence |
Narrative:
We were distracted by the two frdmm fixes that were in the FMS for the frdmm 1 arrival and in attempting to be sure we deleted the right one (due to the fact that the first frdmm would've had us flying in the completely wrong direction). I had my head down and I did not have a descent rate set that would ensure we crossed morll between FL200 and 17000. We crossed morll at FL211.the FMS needs to be fixed. Next time I will transfer controls to the first officer so he/she can monitor the descent while I correct the malfunction in the FMS.
Original NASA ASRS Text
Title: An ERJ crew on the DCA FRDMM 1 Arrival was deleting duplicate FRDMM FMS waypoints and failed to begin the descent which caused the aircraft to cross MORLL at FL211 instead of FL200.
Narrative: We were distracted by the two FRDMM fixes that were in the FMS for the FRDMM 1 arrival and in attempting to be sure we deleted the right one (due to the fact that the first FRDMM would've had us flying in the completely wrong direction). I had my head down and I did not have a descent rate set that would ensure we crossed MORLL between FL200 and 17000. We crossed MORLL at FL211.The FMS needs to be fixed. Next time I will transfer controls to the First Officer so he/she can monitor the descent while I correct the malfunction in the FMS.
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.