Serious incident Airbus A321-251NX G-UZMI, Sunday 3 January 2021
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Date:Sunday 3 January 2021
Time:14:50 UTC
Type:Silhouette image of generic A21N model; specific model in this crash may look slightly different    
Airbus A321-251NX
Registration: G-UZMI
MSN: 9422
Year of manufacture:2020
Engine model:CFMI LEAP-1A32
Fatalities:Fatalities: 0 / Occupants: 65
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:Bristol Airport (BRS/EGGD) -   United Kingdom
Nature:Passenger - Scheduled
Departure airport:Edinburgh-Turnhouse Airport (EDI/EGPH)
Destination airport:Bristol Airport (BRS/EGGD)
Investigating agency: AAIB
Confidence Rating: Accident investigation report completed and information captured
At approximately 14:50 UTC on 3 January 2021, the Airbus A321neo aircraft was on stand at Bristol Airport being prepared for a sector to Edinburgh. The aircraft originally allocated, an Airbus A320, had been replaced with an A321neo due to a technical issue. The aircraft commander and co-pilot originally rostered to fly were not qualified on the A321neo, so a crew qualified on type was called from standby and assumed responsibility for the operation.
The commander started the boarding process and prepared the aircraft for departure. The Turnaround Coordinator (TCO) handed the Loading Form and Certificate (LFC), which included Last Minute Changes (LMCs), to the Cabin Manager (CM) who passed it to the flight crew. The co-pilot entered the load figures into the Electronic Flight Bag (EFB) load sheet application and noted that the load computation indicated that the CG was towards the forward limit of the operating envelope, but within computed operational limits. The flight to Edinburgh continued as normal.

At approximately 1650 hrs, during the boarding process at Edinburgh for the return leg (U2-426), the aircraft CM received the LFC from the TCO and passed it to the flight crew. The CM commented to the commander that the passengers were not seated as indicated by the LFC, so the commander requested a manual zone count of the passengers. It was found that the
passenger distribution on the LFC was not correct and appeared to be based on row boundaries for seating zones on the A320 and not the A321neo. The flight crew entered the figures from the manual count into the EFB and found that the CG was forward of the permitted operating envelope. The commander instructed the CM to move passengers to the correct seating positions to resolve the issue, ensuring the aircraft operated within the allowable CG envelope for departure. The LFC was annotated with the new data. The commander left the flight deck and spoke with the TCO to discuss the issue. They agreed there appeared to be an IT system issue following the aircraft change such that the original LFC did not reflect the correct seating zone adjustments for the A321neo.
With the issue identified and apparently resolved, the sector to Bristol, and subsequent two sectors, were flown without incident.

Accident investigation:
Investigating agency: AAIB
Report number: AAIB-27085
Status: Investigation completed
Duration: 9 months
Download report: Final report



Revision history:

22-Jan-2021 20:43 harro Added
22-Jan-2021 22:26 Dr. John Smith Updated [Location, Phase, Source, Narrative]
14-Oct-2021 17:29 harro Updated [Time, Total occupants, Phase, Source, Narrative, Accident report]

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