. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Canadian Fnrcsfrii Journal, Fcbruari), 1918 1523 per day. I am working on the basis that every day for six months your phmes will examine 8,()()() square miles. You will need tw^o or three mechanics, at four or five dollars a day, say three of them at four dollars a day; that will be 312 a day for mechanics. Your pilots will be ex- pensive gentlemen—you'll have to pay them at least $10 a day each, and you'll be luckv to get them at that: you will have to have two pilots. K'ow, two pilots, at, oh, vou'd better say $3,500 a
. Canadian forestry journal. Forests and forestry -- Canada Periodicals. Canadian Fnrcsfrii Journal, Fcbruari), 1918 1523 per day. I am working on the basis that every day for six months your phmes will examine 8,()()() square miles. You will need tw^o or three mechanics, at four or five dollars a day, say three of them at four dollars a day; that will be 312 a day for mechanics. Your pilots will be ex- pensive gentlemen—you'll have to pay them at least $10 a day each, and you'll be luckv to get them at that: you will have to have two pilots. K'ow, two pilots, at, oh, vou'd better say $3,500 a year each (because you have to pay them by the year whether you like it or not; will mean $7,000 a year, or $ per useful working day. Of course, you could put them at shovelling coal, or some other such highly useful occupation, in the six months they are not flying and lower the cost that way, but if you haven't any work like that for them you just have to carry the gentlemen for six months out of the year in order to have them for the other six. So far the cost per day is $, that is taken on the basis of six months' work. Cost of Flying We must also take into considera- tion the question of depreciation and repairs, and that item depends largely on the mileage flown, but you can say 10 cents per mile for that and you'll be about right. Then you have your petrol and oil; that cost is less than a cent a mile,—quite a bit less if you have an economical engineer. You can count on $ per day for petrol and oil, for 800 linear miles hying. That means that the total daily expenditure for examining 8,000 square miles every day for six months will be cents per square mile, say 2 cents, or 20 cents per linear mile you fly. I think these figures are fairh^ accurate, and if they err at all it is on the side of being too conser- vative. There are many ways in which you might save. For instance, you have to employ the pilot, all the year round—^you pay him for a
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