Rusty - you mention that on the Burlington F7 the MARS light is on top - do you happen to know if UP did the same for their F and E units? I have an American Models F-7 in UP paint that was never fully 'tricked out' (I think I have all the pieces) - and I bought a Dallee version of a MARS light (which I'm not sure they offer anymore). But I wasn't sure which of the two light openings had the MARS light in it.
thanks, Rich