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Full FAA Chronology at this link.
19500907: President Truman approved Public Law 762, which directed the Secretary of Commerce “to construct, protect, operate, improve, and maintain” a second public airport for the Washington, D.C., area. The act authorized appropriations not to exceed $14 million (see July 11, 1958), and Congress subsequently authorized $1 million to launch the project. By the end of 1951, 1,046 of the required 4,570 acres had been purchased at Burke, Va. When local opposition to the project developed, Congress refused to appropriate additional funds. Further studies were made in the 1953-1955 period. (See December 1955.)
19570907: The President signed legislation establishing an aircraft loan guarantee program to aid local service and territorial carriers unable to obtain private loans to purchase new and modern equipment.

Full FAA Chronology at this link.
19460906: The United States and Brazil signed an air transportation agreement, the first such agreement to be made with a South American country.
19900906: A new Air Force One made its maiden voyage. The specially designed Boeing 747, and its identical backup plane, replaced two twenty-year-old Boeing 707s.

Full FAA Chronology at this link.
19310905: The first instrument landing by a system incorporating a glide path was made at College Park, Md. The glide path was achieved by aligning an inclined radio beam with the runway, providing a path approximating the gliding angle of an airplane. (See September 24, 1929.)
19340905: Wiley Post, the first pilot to use a successful pressure suit, reached about 40,000 feet over Chicago. Although this flight did not set a new altitude record, Post demonstrated the future of pressurized flying with this and later stratospheric operations.
19350905: Simultaneous transmission of radio beacon signals and voice was first put into regular service at Pittsburgh, Pa. (See July 1, 1937.)

Full FAA Chronology at this link.
19560904: CAA announced a reorganization designed to streamline the Administrator’s office and place greater reliance on a direct line of command as the basic core of CAA organization. The reorganization abolished the Assistant Administrator positions for Operations and for Planning, Research, and Development, and grouped most CAA functions under six major program offices. The Office of Air Navigation Facilities and the Office of Air Traffic Control were created from the former Office of Federal Airways, a change that had been previously announced.

Full FAA Chronology at this link.
19650903: After withholding Federal funds from the Port of New York Authority (PNYA) for two years, FAA announced resumption of annual grants under the Federal-aid airport program (FAAP). In August 1963, FAA had notified the PNYA of the tentative allocation of $4.3 million in FAAP matching funds for lengthening the runways at La Guardia Airport, one of New York City’s three major airports, on the condition that PNYA develop a plan for improving airport facilities for general aviation in the metropolitan New York area. PNYA did not submit such a plan acceptable to FAA. Eventually, the differences between the two agencies narrowed down to the continued operation (desired by FAA) of Teterboro, a general aviation airport in northeastern New Jersey which PYNA owned and operated at a loss.

Full FAA Chronology at this link.
19580902: The CAA Administrator and the Commander of the Air Force’s Air Defense Command announced the establishment of a program for joint use of 31 new high-power, long-range radar facilities and plans for such joint use of additional facilities in the future. Under the extensive joint-use program, each agency was to budget for special equipment or modifications to meet its particular requirements, with ADC providing security guards and CAA maintaining the primary radar and other facilities used in air traffic control. (See January 9, 1958, and May 1959.)
19600902: FAA Administrator Quesada approved a field reorganization of the Federal Aviation Agency in accordance with the recommendations of Project Straight-Line (see April 6- May 20, 1960), to be completed in phases by June 30, 1961. Intended to decentralize many regional responsibilities to a new and lower echelon, the area office, the reorganization would establish a “straight line” of command between the bureaus at FAA headquarters in Washington and the field facilities.

Full FAA Chronology at this link.
19270901: American Railway Express and major airlines began air cargo express operations. Referring to the importance of this event, the Cleveland Plain Dealer wrote that though it was “much less spectacular than the long transoceanic flights, the beginning of real commercial aviation is, from the practical point of view, the most worthy development of all.”
19290901: New regulations affecting transport pilots became effective, stating that a pilot “may operate any type licensed aircraft but shall not carry persons or property for hire in licensed aircraft other than those specified on his license.” A later amendment, effective February 8, 1930, required transport and limited commercial pilots carrying passengers to have special authority from the Department of Commerce.
19390901: Germany invaded Poland, beginning World War II. (See December 7, 1941.)

Full FAA Chronology at this link.
19270831: The Post Office Department turned over operation of its last air mail route, New York to Chicago, to National Air Transport (see November 15, 1926). Private operators under contract to the Post Office Department now conducted the entire service, a system that promoted the growth of the airline industry.
19330831: The first practical variable-pitch propeller, developed by Frank W. Caldwell of Hamilton Standard Propeller Company in 1930, was introduced into airline service, on a Curtiss Condor biplane. The new propeller improved the propulsive efficiency of modern aircraft with highly supercharged engines, giving them more thrust than a fixed-pitch propeller when taking off and permitting adjustment to a more efficient setting for flight at different altitudes and speeds.
19400831: a Pennsylvania-Central Airlines DC-3 crashed into a ridge near Lovettsville, Va., killing all 25 persons aboard, including Sen. Ernest Lundeen (Farmer-Laborite, Minn.). The Civil Aeronautics Board cited the probable cause as disabling of the crew by a severe lightning discharge near the aircraft.

Full FAA Chronology at this link.
19560830: The Air Coordinating Committee approved a study panel’s recommendation that VOR and TACAN, the separate civil and military air navigation systems, be combined. VORTAC (an acronym used to describe a short-range navigation system, using the VOR directional component and the distance component of TACAN) would become a key element of the civil-military common system of air navigation and air traffic control. (See January 14, 1955, and September 16, 1985.)
In addition, the Office of Aviation Information was abolished and its duties were divided between the Office of General Services and a Press and Publications Officer reporting to the Deputy Administrator. The reorganization extended to the regional offices, where counterparts to Washington program offices were to be established wherever there was a clear cut program that required field execution.
19650830: CAB assumed responsibility for a factfinding investigation of nonfatal aircraft accidents involving air-taxi operators and other commercial operators of small aircraft.

Full FAA Chronology at this link.
19290829: The Graf Zeppelin made the first round-the-world flight by a rigid airship, leaving from and returning to Lakehurst, N.J., in 21 days 7 hours 34 minutes. This was the second round-the-world flight; two U.S. Army Douglas World Cruisers had first performed the feat during April 6-September 28, 1924. (See June 23-July 1, 1931.)
19310829: Tests begun this day and continued through April 8, 1932, showed that transmission of weather maps over the teletypewriter circuits of the Federal Airways System was practicable. Using an experimental circuit, the Aeronautics Branch tested equipment and procedures by sending maps three times daily from compilers in Cleveland and Kansas City to facilities in New York, Washington, and Chicago.