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ERJ175 first officer reported complete loss of FMS on arrival into clt.
| Attributes | |
| ACN | 1534682 |
| Time | |
| Date | 201804 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | CLT.TRACON |
| State Reference | NC |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter Weather / Turbulence |
Narrative:
During the arrival into clt; an advisory message stating FMS1; and FMS2 fail appeared on EICAS. All vertical and lateral guidance was lost. Prior to this issue; ATC had issued a heading; due to severe weather in the area. FMA (flight mode annunciator) was in heading mode. Pm (pilot monitoring) attempted to reprogram the expected ILS (as visual backup) approach into the FMS which never latched on to full FMS integration. Multiple attempts were made to attempt to 'trick' the FMS into re-sequencing.the event occurred prior to entering expected moderate turbulence enroute to the clt area at the time. At this time I have no recommendation to prevent this event as this is the second time I have had the FMS 'dump' all information without explanation with the inability to reprogram. Always be prepared to revert to green needles.
Original NASA ASRS Text
Title: ERJ175 First Officer reported complete loss of FMS on arrival into CLT.
Narrative: During the arrival into CLT; an advisory message stating FMS1; and FMS2 Fail appeared on EICAS. All vertical and lateral guidance was lost. Prior to this issue; ATC had issued a heading; due to severe weather in the area. FMA (Flight Mode Annunciator) was in HDG mode. PM (Pilot Monitoring) attempted to reprogram the expected ILS (as visual backup) approach into the FMS which never latched on to full FMS integration. Multiple attempts were made to attempt to 'trick' the FMS into re-sequencing.The event occurred prior to entering expected moderate turbulence enroute to the CLT area at the time. At this time I have no recommendation to prevent this event as this is the second time I have had the FMS 'dump' all information without explanation with the inability to reprogram. Always be prepared to revert to green needles.
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.