Every 5 years is ridiculous. The difference between 80 and 85 can be stark. I have to get refresher training every two years to legally fly a small plane and th

Every 5 years is ridiculous. The difference between 80 and 85 can be stark. I have to get refresher training every two years to legally fly a small plane and that’s something where it takes some serious work to kill anyone who isn’t me or my passenger.