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408 HELICOPTER AIR SERVICE PROGRAM Table III-15 DIRECT AND INDIRECT OPERATING EXPENSES PER AVAILABLE TON MILE (Dollars) [[/9 column table]] | Year | Total Direct Aircraft Op. | Total Ground and Indirect | CHA Direct Aircraft Op. | CHA Ground and Indirect | LAA Direct Aircraft Op. | LAA Ground and Indirect | NYA Direct Aircraft Op. | NYA Ground and Indirect | |---|---|---|---|---|---|---|---|---| 1953 | 4.213 | 2.533 | 3.955 | 2.808 | 1.479 | 5.007 | 3.548 1954 | 3.863 | 2.903 | 3.782 | 3.130 | 3.116 | 1.662 | 4.670 | 4.083 1955 | 3.625 | 3.137 | 3.283 | 3.455 | 2.633 | 1.751 | 5.108 | 4.892 1956 | 3.223 | 3.157 | 3.827 | 3.987 | 2.280 | 1.670 | 4.257 | 4.833 1957 | 2.534 | 2.283 | 2.203 | 1.682 | 2.122 | 1.794 | 3.143 | 3.196 1958 | 2.150 | 1.830 | 1.600 | 1.074 | 1.984 | 1.888 | 3.151 | 3.005 1959 | 2.238 | 1.804 | 1.700 | 1.211 | 1.810 | 1.986 | 3.365 | 2.620 1960 | 2.102 | 1.660 | 1.632 | 1.027 | 1.946 | 2.326 | 3.157 | 2.603 1961 | 2.102 | 1.932 | 1.552 | 1.164 | 1.845 | 2.384 | 3.304 | 3.134 1962 | 1.873 | 1.921 | 1.590 | 1.604 | 1.441 | 1.376 | 2.517 | 2.707 1963*| 1.483 | 1.513 | 1.597 | 2.048 | 1.141 | 0.919 | 1.866 | 2.057 [[/9 column table]] *12 months ended September 30. Source: Handbook of Airline Statistics; Form 41, CAB. Because of the experience of CHA under its present holding operation and because of the costs involved in integrating new equipment into system operations, present indirect/direct expense relationships do not indicate the true indirect cost-reduction potentials of the new larger equipment now available to the helicopter carriers. Table III-16 RATIO OF INDIRECT TO DIRECT OPERATING EXPENSE [[5 column table]] | Year | Total | CHA | LAA | NYA | |---|---|---|---|---| 1953 | 0.60 | 0.71 | 0.41 | 0.71 1954 | 0.75 | 0.83 | 0.53 | 0.87 1955 | 0.87 | 1.04 | 0.67 | 0.96 1956 | 0.98 | 1.04 | 0.73 | 1.14 1957 | 0.90 | 0.76 | 0.85 | 1.02 1958 | 0.85 | 0.67 | 0.95 | 0.95 1959 | 0.81 | 0.71 | 1.10 | 0.78 1960 | 0.79 | 0.63 | 1.20 | 0.82 1961 | 0.92 | 0.75 | 1.29 | 1.95 1962 | 1.03 | 1.01 | 0.95 | 1.08 1963*| 1.02 | 1.28 | 0.81 | 1.10 [[/5 column table]] *12 months ended September 30. Source: Handbook of Airline Statistics; Form 41, CAB. III-17