| 摘要 |
PURPOSE: A helicopter having a variable floater is provided to save the pilot and passengers of a helicopter and to be easily found when an accident occurs. CONSTITUTION: A helicopter(1) comprises a floater(3, 4). The floater is installed in the right or left side of the lower part of a helicopter. If the helicopter falls in the water, it floats through the floater. The floater is able to fold or unfold. The floater is installed in the bottom of the helicopter body. When the helicopter makes an emergency landing, the floater is automatically unfolded.
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