Originally Posted by N9373M (Post 1727723)

Looks like the long Excel method worked as well. I came up with 122B (32 years) and reran it at 42 and got 323B :)

I've already found out in this forum that as a "private pilot weekend warrior" I'd freeze and panic when presented with an inflight failure. Glad I can still do some limited math - albeit long hand.

Happy it worked out for ya Satpak77