Military flying rules -1919
The 1919 U.S. Army Air Service
FLYING REGULATIONS
Don’t take the machine into the air unless you are satisfied it will fly.
Never leave the ground with the motor leaking.
Don’t turn sharply when taxing, instead of turning short, have someone lift the tail around.
In taking off, look at the ground and the air.
Never get out of a machine with the motor running until the pilot relieving you can reach the engine controls.
Pilots should carry hankies in a handy position to wipe off goggles.
Riding on the steps, wings, or tail of a machine is prohibited
In case the engine fails on takeoff, land straight ahead regardless of obstacles.
No man must taxi faster than a man can walk.
Do not trust altitude instruments.
Learn to gauge altitude, especially on landing.
If you see another machine near get out of its way.
No two cadets should ever ride together in the some machine.
Never run motor so that blast will blow on other machines.
Before you begin a landing glide see that no machines are under you.
Hedge-hopping will not be tolerated.
No spins on back or tail slides will be indulged in as they unnecessarily strain the machine.
If flying against the wind, and you wish to turn and fly with the wind, don’t make the sharp turn near the ground, you might crash.
Motors have been known to stop during a long slide if pilot wishes to use motor for landing he should open throttle.
Don’t attempt to force machines onto the ground with more than flying speed. The result is bouncing and ricocheting.
Aviators will not wear spurs while flying.
Do not use aeronautical gas in cars and motorcycles.
You must not take off or land closer than 50 feet to the hangar.
Never take a machine into the air until you are familiar with its controls and instruments.
If an emergency occurs while flying, land as soon as possible.
It is advisable to carry a good pair of pliers in a position where both pilot and passenger can reach them in case of an accident.
Joy rides will not be given to civilians.