The MB.320 was a low-wing cabin monoplane powered by two wing-mounted Continental E185 engines.
It had room for a pilot and five passengers. The aircraft flew well, but was expensive to buy and with only a small domestic market for the type only a small number were exported. Three aircraft were sold to East African Airways for use as feederliners. They were all sold locally.
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| Registration | Aircraft | c/n | Previous | Acquired | Disposal | Remarks |
| VP-KJD | Macchi MB20 |
5910 | – | 1953 | 1955 | Sold 1955, then abroad as ZS-CBA |
| VP-KJG | Macchi MB320 | 5911 | – | 1952 | 1955 | Sold 1955, then abroad to Somaliland as I-MISO. Scr Milan 3/65 |
| VP-KJJ | Macchi MB320 | 5912 | – | 1952 | 1954 | Sold 1954. To Air Safaris, Arusha 1955. W/O in crash at Mbeya 1962 |