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Aviation History
1927
1927 - 0941.PDF
DECEMBER 15, 1927 CIVIL FLYING STATISTICS IN AMERICA Figures for the Mail and Passenger Services from January—June, 1927 REFERENCE has already been made in FLIGHT to the fact that Civil Aviation in the United States of America is slowly but surely paying its way. The following statistics—which have been compiled by Maj. E. Jones, Chief of the Information Division of the Assistant Secretary of Commerce for Aero- nautics, and for which we are indebted to our contemporary U.S. Air Services—should, therefore, serve as an indication as to the amount of traffic handle'! on the air lines operating in America during January-June, 1927. While most contract air mail routes have been carrying passengers who request passage, only eight have published passenger rates. The average passenger-mile is 13 cents plus. 179 were not started and 506 were uncompleted. Failures to start or complete trips were ascribed to the following causes :—Weather and darkness, 623 ; Structural, 4 ; Mechanical, 28 ; Shortage of equipment, 30. Total 685. (See Table B.) In addition to scheduled operations, included in the accom- panying tables, over airways, several carriers handled pas- sengers for short flights in the vicinity of the aerodrome— taxi work, tests, photo, joy rides, etc. These are not included, but are recorded separately, for the same routes, as follows:— Miles flown, 362,249. Passengers carried, 8,305. Expres carried, 1,950 lbs. Table A : General Statistics M M M M M M M M M M M M M Routes San Francisco-New York (a) (b) (x)Chicago-New York Overnight (b) (x) New York-Boston (X)St. Louis-Chicago Dallas-Chicago (x) Los Angeles-Salt Lake City (x) Salt Lake Citv-Pasco Detroit-Cleveland (d) Detroit-Chicago (d) Los Angeles-Seattle Chicago-Minneapolis-St. Paul Cleveland-Pittsburgh (c) Pueblo-CheyennePilottown-New Orleans Seattle-Victoria Detroit-Grand Rapids Louisville-Cleveland Detroit-Buffalo Miles Flown Scheduled Trips (f) 913,031233,417 53,02063,987 343,708 204,972 147,340 78,144 81,732 212,454 83,320 16,959 72,40025,920 10,764 41,300 23,940 30,936 Passengers Carried NoneNone 231 2 59 147 None None None 318 None 4 2 None 11 1,087 30 None Mail Carried, lbs. 212,97688,048 8,16416,999 51,274 88,746 22,612 826 4,741 31,420 11,418 4,674 15,60637,896 25,836 None None None Express Carried, lbs. NoneNone 100 21,651 None 20 None 646,599 364,099 None None None NoneNone None 2,404 244 10,105 Air Mail Income (S) 0?)§24,488.06 43,024.77 153,654.36 266,235.93 67,838.63 894.30 5,120.85 89,374.89 31,400.70 14,020.87 46,819.4916,208.10 14,200.00 («) (c)w Totals 2,642,364 1,891 621,236 1,045,222 S773,280.95 M = Air Mail Contract routes, (a) Government operations between San Francisco and Chicago ended June 30, 1927. (b) Both night and day service between Chicago and New York started under private operation on September 1, 1927. (c) Commercial routes operating without mail contracts, (d) Private as to Express, (s) Began only on April 21, 1927. (t) Additionl miles flown on uncompleted trips not included. (?) Government operated, (h) Private express line, no mail contract • began operations on March 28, 1927. (x) These lines have express contracts with American Railway Express Co. No data is available on passenger-miles. Three private Ford express routes carry only Ford goods. The express matter carried during this period on the St. Louis-Chicago route was mostly flood relief supplies and does not indicate possible normal traffic. Beginning September 1, 1927, operations were inaugurated on a national scale under contracts between air mail contractors and the American Railway Express Co. on five routes. This marks the advent of an actual Air Express system. The average pound-mile rate is §0-0015 [see Table A). The airway operations, including the Post Office, for the first half of 1927, completed 4,587 out of 5,272 trips scheduled, an efficiency of 87 per cent. Of the 5,272 trips scheduled. The total volume of civil flying in the United States during the first six months of 1927 is given as :— Miles. Passengers (b) Scheduled fly ng by airway operators . . .. .. 2,642,364 1,891 Miscellaneous flying by airway operators ' . . " . . . . 362,249 8,305 Air Service operators [a) .. .. 9,373,320 385,450 Private owners .. .. .. Unknown Unknown Manufacturers .. .. .. Unknown Unknown Contests, races, and meetings . . Unknown Unknown Totals .. 12,377,933 395,646 Table B : Trips Completed and Uncompleted Trips Completed Uncompleted Not Started Routes Scheduled San Francisco-New York 362 182 (a) 180 0 Chicago-New York Overnight 362 306(a) 34 22 M New York-Boston 302 241 20 41 M St. Louis-Chicago 240 231 9 0 M Dallas-Chicago 862 287 75 M Los Angeles-Salt Lake City 362 348 13 1 M Salt Lake City-Pasco ' 332 278 26 28 M Detroit-Cleveland 574 528 0 46 M Detroit-Chicago 306 294 1 . 11 M Los Angeles-Seattle 310 198 112 0 M Chicago-Twin Cities 258 230 22 6 M Cleveland-Pittsburgh 142 133 7 2 M Cheyenne-Pueblo 362 362 0 0 M Pilottown-New Orleans 324 324 M Seattle-Victoria 142 138 4 0 Detroit Grand Rapids 306 295 1 10 Louisville-Cleveland 74 70 2 2 Detroit-Buffalo 152 142 0 10 Totals 5,272 4,578 506 179 M = Mail Contractors, (a) All trips on which mails were trained over any portion of the trip are counted as uncomplete, but the mails were advanced practically in all instances. 849 C~2
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