Originally Posted by
DaveReidUK
All 747s, other than the -8, have the hard point under the left wing for the 5th pod.
AFAIK, that's the only "external load" that can be carried - the drop tank option didn't find favour with any customers.
The B747 freighters didn't carry the 5th pod - the 4 x 1/4 UNF thread inserts missing from the lower wing.