▁expanded ▁the ▁air line ▁acquired ▁another ▁two ▁Britann ia ▁aircraft . ▁These ▁aircraft ▁were ▁also ▁operated ▁on ▁char ter ▁fl ights ▁from ▁other ▁major ▁UK ▁Air ports ▁including ▁Manchester . ▁ ▁Donald son ▁Air ways ▁started ▁char ter ▁fl ights ▁across ▁the ▁North ▁Atlantic ▁with ▁the ▁delivery ▁of ▁two ▁Bo eing ▁ 7 0 7 ▁aircraft ▁in ▁ 1 9 7 1 . ▁Another ▁two ▁ 7 0 7 s ▁were ▁obtained ▁in ▁ 1 9 7 2 , ▁and ▁the ▁Britann ia ▁aircraft ▁were ▁sold . ▁ ▁Three ▁of ▁the ▁ 7 0 7 s ▁were ▁fitted ▁with ▁a ▁cargo ▁door ▁to ▁enable ▁the ▁air line ▁to ▁operate ▁both ▁passenger ▁and ▁fre ight ▁char ters . ▁One ▁Bo eing ▁ 7 0 7 ▁was ▁used ▁in ▁all - c argo ▁configuration ▁during ▁ 1 9 7 3 ▁and ▁ 1 9 7 4 . ▁Donald son ▁took ▁part ▁in ▁the ▁ev acu ation ▁of ▁U g and an ▁refuge es ▁during ▁the ▁ 1 9 7 2 ▁exp ulsion ▁of ▁A si ans ▁from ▁U g anda ▁in ▁ 1 9 7 2 , ▁flying ▁a ▁Bo eing ▁ 7 0 7 ▁to ▁London ▁G at wick ▁Airport ▁as ▁well ▁as ▁to ▁London ▁Stan sted ▁Airport . ▁ ▁In ▁May ▁ 1 9 7 4 ▁the ▁air line ▁operated ▁services ▁for ▁Ira qi ▁Air ways , ▁but ▁all ▁flying ▁ceased ▁on ▁ 8 ▁August ▁ 1 9 7 4 ▁and ▁the ▁Bo eing ▁ 7 0 7 s ▁were ▁repos s essed