aeronautics airlines airplanes avionsdetransport beaver(avionsdetransport) beaver(transportplanes) bushpilots commercial designandconstruction directories histoire history military northern ontario ontario(nord) ouvragesillustrés pictorialworks pilotesdebrousse privateplanes specialforces(militaryscience) specialoperations(militaryscience) systemsengineering terrorists trainingplanes vickers(firm:greatbritain) viscount(transportplane) weaponsofmassdestruction