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Updated: June 17, 2025
Our national airway system exceeds 14,000 miles in length and has 7,500 miles lighted for night operations. Provision has been made for lighting 4,000 miles more during the current fiscal year and equipping an equal mileage with radio facilities. Three-quarters of our people are now served by these routes.
The waters barred our further descent into the mine, but there was a belief that by breaking through the earthy wall of the stable a continuation of the old airway would be found. The experiment was tried with an alarming result No sooner was the breach made than a slow stream of choke-damp flowed into the chamber, and the lights began to go out one by one.
We had struck upon an old disused airway which led into the inner workings of the mine. One by one we snaked our way from the skip into the hole; and, whatever the miners thought about it, it was rather a scarey business for me. We all got over safely enough and began a journey on all fours through mud and slush five or six inches deep.
On March 9, several passengers on a New York to San Juan, Porto Rico airliner were injured when the pilot pulled the big DC-6 up sharply to miss a "large, greenish white, clearly circular-shaped object" which was on a collision course with the plane. The pilots of several other airliners in the same airway confirmed the sighting.
The connecting tubes, KK, should be silver-soldered in, as the boiler, if properly made, can be worked at pressures up to 100 lbs. per square inch. The casing is of 1/20-inch sheet iron, and in five parts. The back end must be holed to allow A, B, and C to project 1 inch, and have a furnace-door opening, and an airway at the bottom, 5 inches wide and 1 inch deep, cut in it.
Daily airway flying is nearly 15,000 miles and is expected to reach 25,000 miles early next year. Flights for other purposes exceed 22,000 miles each day. Over 900 airports, completed and uncompleted, have been laid out. The demand for aircraft has greatly increased. The policy already adopted by the Congress is producing the sound development of this coming industry.
As a contribution to the situation the Federal Government is engaged upon the greatest program of waterway, harbor, flood control, public building, highway, and airway improvement in all our history. This, together with loans to merchant shipbuilders, improvement of the Navy and in military aviation, and other construction work of the Government will exceed $520,000,000 for this fiscal year.
The airway may be provided with a flap, to assist in damping down the fire if too much steam is being raised. In the front end make an inspection opening to facilitate cleaning the tubes and removing cinders, etc. A slot, 1-1/2 inches wide and 11-1/2 inches long, must be cut in the top, n, to allow it to be passed over drum D; and there must also be a 3 or 3-1/2 inch hole for the chimney.
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