1924
February 22 An XC-05A piloted by Lieutenant John A. Macready reaches an altitude of 38,704 feet, a new record.
February 27 Over Kelly Field, Texas, Corporal C. E. Conrad vaults from a DH-4B bomber at 21,500 feet and parachutes safely down.
MARCH 4 Over North Bend, Nebraska, two DH-4 and two MB-2s unload bombs on the Platte River and break up surface ice to avert any chance for subsequent flooding. The bombing lasted for six hours.
MARCH 7 A DH-4B bomber piloted by Lieutenants E. H. Barksdale and B. Jones flies 575 miles between Mitchel Field, New York, and McCook Field, Ohio, by relying only on cockpit instruments.
MARCH 24 In Washington, D. C., the House of Representatives establishes the Lampert Commission to closely investigate the status and future of the U. S. Air Service.
APRIL 6 At Seattle, Washington, four Douglas World Cruisers christened Boston, Chicago, New Orleans, and Seattle depart on the first attempted round-the – world flight. This 26,350-mile mission is also the first transpacific flight and the first westbound crossing of the North Atlantic.
APRIL 30 In Alaska, the Douglas World Cruiser named Seattle crashes into a mountainside, although the crew survives and is rescued.
May 2 Over Dayton, Ohio, Lieutenants John A. Macready and Albert Stevens take an aerial photograph of the town, which covers 19 square miles; to do this, they make an unofficial altitude record in their LePere aircraft.
May 19 Over Dayton, Ohio, a LePere Liberty 400 piloted by Lieutenant John A. Macready reaches 35,329 feet, a new altitude record.
June 23—24 At San Francisco, California, a Curtiss PW-8 fighter piloted by Lieutenant Russell I. Maughan arrives after covering 2,670 miles from Long Island, New York. The flight took 18 hours and 20 minutes by air, with an additional three hours and 20 minutes on the ground to refuel five times.
June 28 A Curtiss bomber flown by Lieutenant John A. Macready sets an altitude record of 16,732 feet while carrying a payload of 3,306.9 pounds.
JULY 6 In California, Major Henry H. Arnold establishes a new speed record by flying 500 miles between Rockwell Field and San Francisco in only 4 hours and 25 minutes.
AUGUST 3 Over the North Sea, the
Douglas World Cruiser Boston drops into the water after losing oil pressure. The craft is destroyed by pounding waves but the crew survives and is rescued.
SEPTEMBER 28 In Seattle, Washington, the remaining Douglas World Cruisers, Chicago and New Orleans, complete the first round-the-world flight by touching
down. They covered 27,553 miles in only 175 days, which included 365 hours of flight time. Lieutenants Lowell Smith, Leslie Arnold, Erik Nelson, and John Harding are awarded a Mackay Trophy.
OCTOBER 28 At Bolling Field, Washington, D. C., an Army Air Service airplane seeds clouds with electrically charged sand for the first time; the experiment is a success.