| 摘要 |
PURPOSE: A fire alarm is provided to obtain good use of spare time which is a step higher and to utilize the same as a member assisting the operation of an aircraft. CONSTITUTION: A fire alarm comprises a float air foil(7) and a shock relaxation elastic material. An engine portion includes an electric motor, a high-performance battery, and a gasoline engine. Whether an aileron, a flap, an elevator(5), a runner light, and a landing gear are operated or not is confirmed. A control stick is inspected. A wind sack is cleaned. An engine is operated. A throttle is slowly depressurized. When reaching a taking-off speed, an aircraft is taken-off. [Reference numerals] (AA) COG range
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