An aircraft certified to the latest regs is much safer. Composite blades are not a problem.
29.610 - Lightning protection. This is the basic airframe lightning protection regulation, which requires that the rotorcraft be able to sustain a lightning strike without catastrophic damage.
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29.954 - Fuel System Lightning Protection. This regulation requires that fuel tanks and systems be free of ignition sources such as electrical arcs and sparks due to direct or swept lightning strikes and corona at exposed fuel vent outlets. Protection against indirect ignition sources such as fuel tank wiring is also applicable.
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29.1309 - Equipment, Systems, and Installations. This regulation requires that flight-critical and essential systems, equipment, and functions be designed and installed to continue to perform their intended functions under any foreseeable operating condition, and requires, specifically, that the direct and indirect effects of lightning be considered in complying with this regulation.