I can understand the insurance companies wanting to manage their risk. That's the nature of their business. What I don't understand is their apparent ignorance of the evidence showing Basic Med has about the same chance of medical incapacitation as Class 3.
Why not just require Basic Med every year? Why does it have to be Class 3?
I suspect it’s not “medical incapacitation” but general “pilot error” for lack of a better phrase. IDK the statistics for “damages paid” with pilot error events, but I assume it’s a lot more than for the occasional pilot incapacitation. TBH, I think “medical” causes for aircraft accidents are pretty insignificant compared to poor judgement, sloppy maintenance, weak flying skills, bad luck, weather and alcohol / drugs (which I admit you could lump drug and alcohol under “medical”). The last couple “incapacitation” events that I’ve heard of were not being flown under Part 91 anyway.
it may be that insurance companies aren’t totally convinced BM = FAA Medical. But they don’t want the bad publicity of being anti-BM and figure allowing BM with their insured, even if it did increase their risk, is just the “cost of doing business.” Or maybe they are, but their research shows medical factors causing accidents leading to payouts is / is not significant, and as long as your flying a simple airplane, with a few passengers, it’s all good. Step up to bigger, faster, turbine, retract, pressurized, multi then it’s “not so fast” maybe we want a little more say so in your medical condition.
Most of the pilots flying the higher end stuff can afford the insurance, they buy insurance to protect their assets (and loved ones), just like the rest of us.
eta - TLDR the majority of serious accidents I’ve seen in my area for the last 30 years had almost zero to do with medical factors and everything to do with poor judgement, poor skills, weather (can be judgement related), poor maintenance (again judgement related) or really bad luck. Most of those pilots had a valid Medical in their pocket.