going for 150m increments instead of 500 feet increments is only an error of ~8 feet. that doesn't seem so bad. On the topic of switching over: obviously you'd

going for 150m increments instead of 500 feet increments is only an error of ~8 feet. that doesn't seem so bad. On the topic of switching over: obviously you'd not do it all at once, but phasing in metric on new planes would at least fix the issue eventually.