The aircraft undertook a five-day ferry flight from Kunming Changshui International Airport, China, to Blantyre-Chileka International Airport, Malawi, passing through 13 countries during the 7,280 mile journey.
They were initially used for testing and further training and did not enter service for some months.
It is unclear whether they will augment or replace three surviving Dornier 228 light twin turboprops of four acquired between 1986 and 1989.