The MD-11 may be well known, the MD-12 rather less so. This Polish design first flying in 1959 was intended as an Li-2 replacement, the second of two prototypes being evaluated by LOT. Although quite promising no further progress was made. A third example, seen in this photo before the paint weathered away, was built as a photo-surveyor. Again there was considerable interest but the programme was halted by the crash of the first prototype in 9.63