| 摘要 |
A landing, parking and take-off installation for hellicopters and other air vehicles requiring similar conditions comprises two or more interconnected horizontally spaced sets of at least two vertically superposed platforms each. Each set has an exposed landing platform on top, at least one parking/take-off platform therebelow, and a freight elevator functionally interconnecting the platforms and capable of holding a helicopter or other air vehicle, whereby the installation may receive a variable number of helicopters or other air vehicles while occupying only a small area at ground level.
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