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Air carrier first officer reported the crew experienced an altitude deviation while the captain was hand-flying the approach.
| Attributes | |
| ACN | 1749369 |
| Time | |
| Date | 202007 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | STAR ZZZZZ 4 |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 220 Flight Crew Total 6407 Flight Crew Type 2944 |
| Events | |
| Anomaly | Deviation - Altitude Crossing Restriction Not Met Deviation - Altitude Overshoot Deviation - Procedural Clearance |
Narrative:
While on the zzzzz 4 arrival; about 5 miles prior to zzzzz; we checked in with ZZZ approach who assigned us runway xxr RNAV visual approach. We normally get ILS xyl; and were briefed for this. There was some confusion about the assignment; so I confirmed; at which point ATC gave us RNAV visual xxl. I loaded the RNAV xxl into the FMC; but shortly after realized there was an RNAV visual; like we would use in ZZZ1. There was a short discussion about how to get the waypoint sequenced correctly; due to the multiple FMC changes; but we got it sorted. At some point prior to ZZZZZ1; the captain asked about it being a hard 6;000 feet crossing (not 'at or above'); then he turned off the autopilot. I was not prepared for all the cross-checking challenges that I was now responsible for. This was my first leg in 2.5 months; but felt 'up to speed' for the flight up until this point. As we approached 6;000 feet; the captain did not arrest his descent rate and flew through the altitude. I announced that he was 300 feet low. After a few seconds; I couldn't recognize him correcting; so I announced it again. He called for additional flaps and began to recover to 6;000 feet.there was no terrain warnings; nor ATC involvement. We landed normally. ATC said the runway change was due to winds; but winds were reported as calm upon arrival.
Original NASA ASRS Text
Title: Air carrier First Officer reported the crew experienced an altitude deviation while the Captain was hand-flying the approach.
Narrative: While on the ZZZZZ 4 arrival; about 5 miles prior to ZZZZZ; we checked in with ZZZ approach who assigned us Runway XXR RNAV visual approach. We normally get ILS XYL; and were briefed for this. There was some confusion about the assignment; so I confirmed; at which point ATC gave us RNAV Visual XXL. I loaded the RNAV XXL into the FMC; but shortly after realized there was an RNAV Visual; like we would use in ZZZ1. There was a short discussion about how to get the waypoint sequenced correctly; due to the multiple FMC changes; but we got it sorted. At some point prior to ZZZZZ1; the Captain asked about it being a hard 6;000 feet crossing (not 'at or above'); then he turned off the autopilot. I was not prepared for all the cross-checking challenges that I was now responsible for. This was my first leg in 2.5 months; but felt 'up to speed' for the flight up until this point. As we approached 6;000 feet; the Captain did not arrest his descent rate and flew through the altitude. I announced that he was 300 feet low. After a few seconds; I couldn't recognize him correcting; so I announced it again. He called for additional flaps and began to recover to 6;000 feet.There was no terrain warnings; nor ATC involvement. We landed normally. ATC said the runway change was due to winds; but winds were reported as calm upon arrival.
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.