True,- had forgotten all about the Tristar, so that's another for the list.
Pictures of the old airport must exist but most of the people who would have taken them left by the mid to late 1960s as the numbers of long term foreigners who stayed on to enjoy the years of the socialist republic were tiny. I can think of only one family who have been in Dar throughout, from then to now, but there may be a couple more lurking about.