Although helicopters was not used in Mozambique to the same extent as they was in Vietnam , the Alouette III was the most widely used , although the Puma was also used with great success . Other aircraft was employed : for air support the T6 and the Fiat G.91 was used ; for reconnaissance , the Dornier Do 27 . In the transport role , the Portuguese Air Force used mainly the Nord Noratlas and the C @-@ 47 . The Portuguese Navy also made extensive use of patrol boats , landing crafts , and inflatable Zodiacs .