http://forum.12oclockhigh.net/archiv...p?t-49121.html
I would go along with your suggested BX170 unless others come up with an alternative.
USAFDATA database gives for Wythes -
P-400 - unknown32.
So would the "32" be last two of serial number OR a/c in squadron number ??
But will now also have to look at the P-40's
Thanks.