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HELICOPTER AIR SERVICE PROGRAM 265

Schedule showing present CHA passenger fares and yields between points 1

[[5 column table]]
|From-|To-|Fare|Miles|Yield|
|---|---|---|---|---|
|Midway|O'Hare|$7|16|$0.437|
|Do|Meigs|6|9|.666|
|Do|Gary|7|21|.333|
|O'Hare|Meigs|7|17|.412|
|Do|Gary|10|37|.270|
|Meigs|do|9|30|.300|
|Midway|Winnetka|9|28|.321|
|O'Hare|do|6|12|.500|
|Meigs|do|9|29|.310|
|Gary|do|15|49|.306|

1 To be charged when turbine helicopters are placed in service, 1967.

APPENDIX H

S-58 flying operation expenses per hour

[[6 column table]]
|   |Fiscal year 1966 1|Fiscal year 1967|Fiscal year 1968|Fiscal year 1969|Fiscal year 1970|
|---|---|---|---|---|---|
|Pilots and copilots|$41.32|$41.32|$41.32|$41.32|$41.32|
|Fuel|2 19.57|3 10.12|3 10.12|3 10.12|3 10.12|
|Welfare insurance|4.23|4.23|4.23|4.23|4.23|
|Hull insurance 4|-|-|-|-|-|
|Total|65.12|55.67|55.67|55.67|55.67|
|Yearly 2-percent inflationary factor|0|+2|+4|+6|+8|
|Total|65.12|56.78|57.90|59.01|60.12|
|Hours flown|4,457|7,228|9,633|11,034|11,051|
|Total expense|290,200|410,400|557,800|651,100|664,400|

1 Based on 12 months ending Sept. 30, 1964.
2 CHA's S-58C helicopter with Curtiss-Wright piston engine consumes approximately 100 gallons of 115-octane fuel per hour. Cost of 115 octane is 19 cents per gallon.
3 CHA's analysis indicates that when 3 PW-PT-6 engines are installed in the S-58 that the fuel consumption would be approximately 92 gallons of kerosene per hour. Cost of kerosene is 11 cents per gallon.
4 Hull insurance shown as separate item on expense schedule. 

APPENDIX I

S-58 direct maintenance expenses per hour

[[6 column table]]
|   |Fiscal year 1966 1|Fiscal year 1967 2|Fiscal year 1968|Fiscal year 1969|Fiscal year 1970|
|---|---|---|---|---|---|
|Engine overhauls|$24.96|3 $18.00|2 $14.25|2 $13.50|2 $13.50|
|Hull overhauls including repairs and materials|25.30|25.30|25.30|25.30|25.30|
|Labor|22.75|22.75|22.75|22.75|22.75|
|Total|73.01|66.05|62.30|61.55|61.55|
|Yearly 2 percent inflationary factor|0|+2|+4|+6|+8|
|   |73.01|67.37|64.79|65.24|66.47|
|Hours flown|4,457|7,228|9,663|11,034|11,051|
|Total expense|325,400|486,900|624,100|719,900|734,500|

1 12 months ending Sept. 30, 1964.
2 CHA S-58C helicopters are to be modified with PW-PT-6 turbine engines in 1967.
3 See schedule on PT-6 engine showing overhaul periods and costs, app. M.