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An air carrier flight crew find that their aircraft weights were in kilograms rather than in pounds as noted on their weight and balance documents.
| Attributes | |
| ACN | 346285 |
| Time | |
| Date | 199608 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : scl |
| State Reference | FO |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : msp |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 7950 flight time type : 110 |
| ASRS Report | 346285 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
| Situations | |
| Airport | procedure or policy : unspecified |
Narrative:
This was a cargo flight between scel (chile) and mia on a direct flight plan. The cargo manifest were presented to the crew. Immediately questions were asked as to weights. Such questions as, 'you are sure these weights are in pounds, not kilos?' 'these are gross weight including fare weights?' etc. We as a crew assured the weights were gross weights in pounds. The aircraft did not perform as it was supposed to after takeoff. Both fuel burns, and time en route were greater than normal for the weights we used. The decision was made to make a fuel stop in spim (peru). Upon reaching the blocks we were informed the cargo weights were in kilos. We took off some 16000 pounds overweight, and were 31000 pounds over for landing. We as a crew made every effort to verify cargo gross weights. Both our flight control in the united states and the operation center in chile agreed on the given information. After an extensive inspection no damage occurred to the aircraft.
Original NASA ASRS Text
Title: AN ACR FLC FIND THAT THEIR ACFT WTS WERE IN KILOGRAMS RATHER THAN IN LBS AS NOTED ON THEIR WT AND BAL DOCUMENTS.
Narrative: THIS WAS A CARGO FLT BTWN SCEL (CHILE) AND MIA ON A DIRECT FLT PLAN. THE CARGO MANIFEST WERE PRESENTED TO THE CREW. IMMEDIATELY QUESTIONS WERE ASKED AS TO WTS. SUCH QUESTIONS AS, 'YOU ARE SURE THESE WTS ARE IN LBS, NOT KILOS?' 'THESE ARE GROSS WT INCLUDING FARE WTS?' ETC. WE AS A CREW ASSURED THE WTS WERE GROSS WTS IN LBS. THE ACFT DID NOT PERFORM AS IT WAS SUPPOSED TO AFTER TKOF. BOTH FUEL BURNS, AND TIME ENRTE WERE GREATER THAN NORMAL FOR THE WTS WE USED. THE DECISION WAS MADE TO MAKE A FUEL STOP IN SPIM (PERU). UPON REACHING THE BLOCKS WE WERE INFORMED THE CARGO WTS WERE IN KILOS. WE TOOK OFF SOME 16000 LBS OVERWT, AND WERE 31000 LBS OVER FOR LNDG. WE AS A CREW MADE EVERY EFFORT TO VERIFY CARGO GROSS WTS. BOTH OUR FLT CTL IN THE UNITED STATES AND THE OP CTR IN CHILE AGREED ON THE GIVEN INFO. AFTER AN EXTENSIVE INSPECTION NO DAMAGE OCCURRED TO THE ACFT.
Data retrieved from NASA's ASRS site as of July 2007 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.