6. Aviation. (Monoplane.)
To obtain a merit badge for aviation, a Scout must:
1. Have a knowledge of the theory of the aeroplane, helicopter, and ornithopter, and of the spherical and dirigible balloon.
2. Have made a working model of any type of heavier than air machine, that will fly at least twenty-five yards; and have built a box kite that will fly.
3. Have a knowledge of the types and makes of engines used for aeroplanes, of the best known makes of aeroplanes, and of feats performed or of records made by famous aviators.
4. Have a knowledge of names of famous airships (dirigibles) and some of their records.
5. Understand the difference between aviation and aerostation, and know the types of apparatus which come under these two heads.