CAROC Breakdown per Trip 能 Other Control &Cm3% Ground Fuel is roughly 20%of Handling 9% 60% of 70% of Total 7% Operating Cost Landing% Crew ie.8% 40% Maintenance 15% Fuel 20% ypical data for a large commercial jet 9/19/2002 16885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY9/19/2002 16.885 AEROSPACE COMPUTATIONAL DESIGN LABORATORY CAROC Breakdown per Trip Landing 6% Ground Handling 7% Control & Comm 9% Other 3% Fuel 20% Crew 40% Maintenance 15% Fuel is roughly 20% of 60% of 70% of Total Operating Cost i.e. 8% typical data for a large commercial jet