Quote:
Originally Posted by raketenjagdpanzer
O-1 Bird Dogs and OV-10D Broncos (and possibly even Skyraiders) taking over the CAS mission, yeah.
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OV-10G Broncos are showing their worth in Syria as I type this. The big advantage that these and other TURBOPROP COIN aircraft have is that they DON'T use AvGas. Most modern (post-Vietnam) turboprops have been adapted to use the Jet A fuel type (essentially highly refined Kerosene) to reduce the risk of fire. Your Broncos should be able to fly on well filtered Kerosene with a few additives (including Ethanol) with only a slight reduction in radius, altitude, top speed and safe G-Maneuvering (how many G's the motor can pull before you stall her).
Life is NOT all roses, though. There would also be a SIGNIFICANT reduction in Engine Service Life (the time you can fly in hours before certain parts MUST be replaced to avoid engine failure). This engine rebuild time varies by engine model, and can be as little as 10 hours of operation in an older Cessna using 87 Octane "pump gas" (instead of the 100LL AvGas).
I think the best ay to handle this would be an Aircraft Mechanics skill check to avoid an Engine Wear Number Increase when using the incorrect fuel in any aircraft.