U. S. Army Regulations for the Operation of Aeroplanes

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To Begin January 1920

• Do not take the machine into the air usless you are satisfied it will fly.
• Never leave the ground if the motor is dripping.
• Do not make any sharp turns while on the ground. Sharp turns will be made by lifting the tail.
• No machine will taxi faster than a man can walk.
• Never run motor so as to blow on other machines.
• Never get out of a machine with the motor on until the pilot taking over can reach the controls.
• Pilots should carry kerchiefs in a place so as to clean his goggles.
• Riding on the step, wing, or rails of the machine is prohibited.
• Never take a machine into the air until you are familiar with the controls and instruments.
• Pilots shall not wear spurs when flying.
• No two cadets shall ride togather in the same machine.
• In case the motor stops when taking to the air, the pilot should land stright ahead regardless of obstacles.
• On taking to the air, one should look at the ground and the air.
• You must not take-off or land closer than 50 feet to the hanger.
• Hedge-hopping shal not be tolerated.
• No spins on back or tail slides will be indulged in as it puts unnecessary strain on the machine.
• Do not trust altitude gages.
• If you see another machine near you, get out of the way.
• Learn to gauge altitude, especially when landing.
• IF FLYING AGAINST THE WIND AND YOU WISH TO FLY WITH THE WIND, DO NOT MAKE A SHARP TURN NEAR THE GROUND. *** YOU MAY CRASH. ***
• If an emergency occurs while in the air, LAND as soon as possible.
• Before you begin a landing glide, look to see that no machines are below you.
• Motors have been knowen to stop while on a long glide. If the pilot wishes to use the motor to land, he should open the throttle.
• Do not attempt to force the machine onto the ground with more than flying speed. The result is bounding or ricocheting.
• Do not use aeronautical gasoline in motorcycles or automobiles.