 Nyorai kupfuurira kweiyi ndima - Akaberekerwa muOtago muNew Zealand, MacKenzie akabatana neRAF muna 1937 pabasa pfupi rebasa. Pashure pokupedza kurovedza kwake kubhururuka, akaiswa kuNo. 41 Squadron uko akabhururuka Hawker Furies uye ipapo Supermarine Spitfires. Akabhururuka kakawanda achiongorora mahombekombe eDunkirk panguva yeOperation Dynamo uye akarwa muHondo yeBritain, panguva yaakaparadza ndege dzakawanda dzeGermany. Akazotumirwa kuSingapore kunobatana neNo. 488 Squadron, yakasimudzwa kuti isimbise kudzivirirwa kwemhepo kweBritish Malaya. Chikwata ichi chakabhururuka zvikuru panguva yekupinda kweJapan muBritish Malayaasi pakupedzisira akaendeswa kuAustralia. Mackenzie akabva atungamirira No. 14 Squadron asati adzokera kuUnited Kingdom pakati pa1943. Akachinjirwa kuRoyal New Zealand Air Force muna 1944, kwenguva pfupi akatungamira No. 64 Squadron, uye akapedza hondo muNew Zealand. Gare gare akabatanazve neRAF, achishanda munzvimbo dzinoverengeka dzekudzidzisa kusvika pamudyandigere wake kubva muchiuto muna 1957 aine chinzvimbo chemutungamiri wechikwata. Paakadzokera kuNew Zealand, akatengesa motokari kuBalclutha mumakore ake okupedzisira. Akafa muna 1993. 