| 摘要 |
A pilot aid that includes a sheet material having indicia thereon indicative of a plurality of predetermined flying parameters including at least wind velocity and direction. A plurality of indicia wheels are each separately mounted from the sheet material and each are associated with a different flying parameter. A plurality of windows are disposed on the sheet material, each positioned to overly a corresponding indicia wheel and each for observing one of a plurality of predetermined characteristics that define the flying parameter.
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