free or mechanically suspended water present in
FREE WATER DETECTOR
aircraft fuels. You can use it to test both naval
distillate and JP-5. The test procedures for these
two fuels differ as do the criteria the fuels must
The Free Water Detector (FWD) (fig. 3-32) is a small
portable instrument that quantitatively determines
Figure 3-32.--A.E.L. Mk II.
Figure 3-33.--A.E.L. ML III.