Robertson Aircraft Corporation

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Robertson Aircraft Corporation
Founded1918 (Incorporated Feb. 1921)
HeadquartersLambert-St. Louis Flying Field, Anglum, MO
Key people
Maj. William B. Robertson, Frank Robertson and H. H. Perkins
ParentAmerican Airlines

Robertson Aircraft Corporation was a post-World War I American aviation service company based at the Lambert-St. Louis Flying Field near St. Louis, Missouri, that flew passengers and U.S. Air Mail, gave flying lessons, and performed exhibition flights. It also modified, re-manufactured, and resold surplus military aircraft including Standard J, Curtiss Jenny/Canuck, DeHavilland DH-4, Curtiss Oriole, Spad, Waco, and Travel Air types in addition to Curtiss OX-5 engines.[1][2]

RAC also operated facilities in Kansas City, San Antonio, Houston, New Orleans, and Fort Wayne. The company was owned and operated by brothers Maj. William B. Robertson (1893–1943) and Frank H. Robertson (1898–1938) who were both former US Army aviators. William Robertson left the company in 1928 to form the Curtiss-Robertson division of Curtiss-Wright to produce aircraft such as the Curtiss Robin, which RAC sold.

Mail and air carrier operations[edit]

Charles Lindbergh's last pay check as an RAC Air Mail pilot.
A Robertson DH-4 used on the CAM-2 Air Mail route.

On April 15, 1926, Robertson Aircraft started Contract Air Mail service over route CAM-2 from Lambert Field to Chicago, with stops in Springfield, Illinois and Peoria, Illinois; Charles Lindbergh was employed as chief pilot for the service.[3] RAC started service with four converted DH-4 aircraft (#s 109-112)[4] acquired from the U.S. Postal Service's Air Mail fleet two of which were lost in accidents in September and November, 1926, while being piloted by Lindbergh. RAC added service over CAM-29 between St.Louis and Omaha in May 1929.[5] By 1928 RAC was providing daily passenger and express service as well over the St. Louis - Chicago mail route flown in 12-passenger Stout Ford Tri-Motors.[6] During the Great Depression Robertson's flight operations were merged into Universal Aviation Corporation along with Continental Airlines, Northern Air Lines, and Paul R. Braniff Inc., which became Braniff International Airways[7] Universal Aviation became a component of The Aviation Corporation in 1930, merging many companies into American Airways in 1934, eventually becoming American Airlines.[8]

The 1957 motion picture The Spirit of St. Louis featured an RAC DH-4 mailplane in flying sequences as well as Maj. Robertson (played by James Robertson, Jr.) and company Air Mail pilots Lindbergh (James Stewart) and Harlan A. "Bud" Gurney (Murray Hamilton) among its characters.

Glider crash (1943)[edit]


On August 1, 1943 an "all St. Louis-built" WACO CG-4A-RO military troop and cargo transport glider (S/N 42-78839) built under license by RAC suffered in-flight structural failure and crashed during a demonstration flight at Lambert Field in St. Louis before a Sunday afternoon air show crowd of over 5,000 people when its right wing separated shortly after it had been released at about 2,000 feet by its Army C-47 tow plane killing all ten souls on board. The glider was flown by CPT Milton C. Klugh (pilot) and PFC Jack W. Davis (co-pilot/mechanic) of the USAAF 71st Troop Carrier Command, and the eight VIP passengers were St. Louis Mayor William D. Becker, RAC President MAJ William B. Robertson, RAC VP/Chief Engineer Harold A. Krueger, Deputy City Comptroller Charles L. Cunningham, St. Louis Army Air Forces Material Command Supervisor LTC Paul H. Hazelton, Director of Public Utilities Max H. Doyne, St. Louis County Court Presiding Judge Henry L. Mueller, and St. Louis Chamber of Commerce President Thomas N. Dysart. James Robertson, the 17-year-old son of MAJ Robertson, had been a passenger on a successful test flight of the glider made immediately before the fatal flight.[9][10] The failed wing strut component, which had been manufactured by Robertson subcontractor Gardner Metal Products Company of St. Louis, a firm that normally built metal caskets, was found to be made of metal that was too thin for the purpose.[11][12][13]


Model name First flight Number built Type
Waco CG-4 (license built) 1943 170 Combat Glider


  1. ^ Robertson Aircraft Corporation parts catalog "A". 1928.
  2. ^ Aerial Age. September 12, 1921. Missing or empty |title= (help)
  3. ^ Thomas Streissguth. The roaring twenties.
  4. ^ Richard Bak. The Big Jump: Lindbergh and the Great Atlantic Air Race.
  5. ^ John Motum. The Putnam Aeronautical Review.
  6. ^ RAC Time Schedule August 20, 1928
  7. ^ Carlos A. Schwantes. Going places: transportation redefines the twentieth-century West. p. 208.
  8. ^ "History of AMR". Archived from the original on 26 May 2012. Retrieved 4 October 2011. CS1 maint: discouraged parameter (link)
  9. ^ "Mayor of St. Louis, Other Officials Die in Glider's Plunge" The New York Times, August 2, 1943, p. 1
  10. ^ "St. Louis Mayor William Becker and nine others were killed on Aug. 1, 1943, when a World War II glider they were riding in plunged and slammed nose first into the ground near the Lambert Airport runway." Eleven images from St. Louis Post-Dispatch,
  11. ^ Diehl, Alan E., PhD, "Silent Knights: Blowing the Whistle on Military Accidents and Their Cover-ups", Brassey's, Inc., Dulles, Virginia, 2002, Library of Congress card number 2001052726, ISBN 978-1-57488-412-8, pages 81-82.
  12. ^ J. Norman Grim. To Fly the Gentle Giants: The Training of U.S. WW II Glider Pilots.
  13. ^ Bowers, Peter M., "Breezing Along With The Breeze", Wings, Granada Hills, California, December 1989, Volume 19, Number 6, p. 19.