regexp,notes
/(airbus)(a3\d\d)/i,airbus
/(antonov)(\d\d)(/\d\d)?(\d)?/i,force antonovs to match on full model number
/(boeing)(7\d)(7|0)/i,boeing 7 series
/(dornier328jet)/i,force dornier 328 jet not to match plain 328
/(gulfstream )(?:iii/)?(v)/i,gulfstream V
/(gulfstream iv)/i,gulfstream IV
/(gulfstream iii)/i,gulfstream III
/(gulfstream ii)/i,gulfstream II
/(gulfstream i)/i,gulfstream I
/(havilland).*(dh).*([\d]+)/i,dh6 vs dh66