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Calibration of Fuel tank probe

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Calibration of Fuel tank probe

Old 13th Dec 2019, 10:28
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Calibration of Fuel tank probe

Hi guys
How do you normally calibrate fuel tank probe
Have anyone done calibration of fuel tank probe on A320
How is the calibration process

thank you.
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Old 14th Dec 2019, 14:10
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You don't.
" The FQI system is designed in such a way that the lower the fuel quantity in the tank, the more accurate the fuel indication. The FQI system is calibrated on ground during manufacturing and its accuracy will remain the same throughout the operational life of the aircraft."
Probe faults or FQIC will be announced by CFDS follow the troubleshooting, no calibration required as far as I recall. It has been 11 years now however.
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