发行时间：2017.04.28
总页数：16
编辑：
综保科技
摘要：
cecw-ce circular no. 1110-1-106
department of the army u.s. army corps of engineers washington, d.c. 20314-1000
ec 1110-1-106
28 april 2017
expires 30 june 2018
engineering and design
acquisition and operation of unmanned aircraft systems (uas) technology
1. purpose. this circular provides guidance for the acquisition and operation of unmanned aircraft systems (uas) within the national airspace system (nas) and the current regulatory framework. this engineer circular (ec) also provides guidan...
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