Abstract: A fluidic-electronic time fuze for detonating illumination ammunition in a rojectile is described. A ram air driven fluidic generator is used to provide both the time base and power to the electronics of the timing system as well as to sense a second signature for the safing and arming system within the projectile. The electronic circuit of the timing system comprises conventional digital counters and logic circuitry which senses output pulses from the fluidic generator. Thus the accuracy of the time fuze is dependent upon the resonant frequency of the diaphragm within the fluidic generator.