Final answer:
It is true that the Gammon Aqua Glo water detector should be calibrated to ensure accurate readings and maintain safety standards in the aviation industry.
Step-by-step explanation:
The statement that the Gammon Aqua Glo water detector should be calibrated is True. Calibration is an essential process for most measurement devices which ensures that they provide accurate readings. The Gammon Aqua Glo water detector is used to detect water contamination in aviation fuel. Like any precision instrument, over time, it may drift from its factory settings. Regular calibration is necessary to maintain the accuracy and reliability of the results it provides, which is crucial in the aviation industry where water contamination can lead to serious safety issues. Therefore, following the manufacturer's recommendations for calibration will ensure the integrity of the measurements taken with this device.