MnO2 
4K
AVIONS-417
AVIONS-417 (likely a local/charter operator; could be a generic or temporary titling)
L410
Let Kunovice (now Aircraft Industries) LET L-410UVP-E20
This one parked right beside our aircraft at Agok landing strip coming from Juba (South Sudan) to disputed area of Abyei (South Sudan and Sudan)