They are certainly not as bright or effective as strobe lights, but every man (before women got aboard) topside on USN ships for a night evolution like refueling had an activated chem-light on his type I PFD; that could be upwards of 75 men. We also had single D-cell clear-dome lights which were pretty dime to useless - probably designed more for gathering the crew in the water into a mass than for any rescuing vessel to see.
While I like the OP's innovative thinking, I agree that a purpose-designed strobe would be better. This does not mean you couldn't put the lure on PFDs too as belt and suspenders.
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Rich Gano
FROLIC (2005 MainShip 30 Pilot II)
Panama City area
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