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B747-400 captain reported finding a gross payload error during preflight that involved the use of kilograms rather than pounds in the calculations.
| Attributes | |
| ACN | 1546698 |
| Time | |
| Date | 201805 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Flight Phase | Parked |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Weight And Balance Deviation - Procedural Published Material / Policy |
Narrative:
Gross weight error. In preparation for departure the crew found a gross weight error on the master flight plan and takeoff landing report (tlr). The error was a 51;618 kgs payload error. This error resulted in an incorrect zero feul weight (ZFW) and takeoff weight (tow) on the master flight plan and incorrect takeoff performance on the tlr.the station rep said he transmitted the actual final payload for the flight to the dispatcher via his phone and said that he confirmed to the dispatcher that the payload was in pounds three different times. With further investigation on my part; the actual load plan that he provided to the crew was in fact in pounds also. Our inbound payload had only one pallet coming off and three pallets going on. Someone in dispatch should've noticed and the system should have flagged that the final payload numbers had more than doubled in weight from the planned payload!
Original NASA ASRS Text
Title: B747-400 Captain reported finding a gross payload error during preflight that involved the use of kilograms rather than pounds in the calculations.
Narrative: Gross weight error. In preparation for departure the crew found a gross weight error on the Master Flight Plan and Takeoff Landing Report (TLR). The error was a 51;618 kgs payload error. This error resulted in an incorrect Zero Feul Weight (ZFW) and Takeoff Weight (TOW) on the Master Flight Plan and incorrect takeoff performance on the TLR.The station rep said he transmitted the actual final payload for the flight to the Dispatcher via his phone and said that he confirmed to the Dispatcher that the payload was in LBS three different times. With further investigation on my part; the actual Load Plan that he provided to the crew was in fact in pounds also. Our inbound payload had only one pallet coming off and three pallets going on. Someone in Dispatch should've noticed and the system should have flagged that the final payload numbers had more than doubled in weight from the planned payload!
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.