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… The rate of change in wind speed depends on terrain and is therefore different for open country found near most … and the exponential relationship. For urban flight using a reference wind speed measured at takeoff location is not … Supporting research document: Urban airflow: what drone pilots need to know - NRC Publications Archive - …
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… chip, LED lamp, solar cell and semiconductor laser. (c) Transmissivity : The ratio of the amount light …
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… procedures should include: a. Aurally obstructing or interfering with a passenger’s ability to hear the public … commands or instructions; b. Visually obstructing or interfering with video or crew member instructions; c. Physically obstructing or interfering with access to main aisles, exits, passage along …
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