More than 4400 comments were filed in response to the FAA's proposed rule for allowing small unmanned aircraft into the national airspace system, and the general aviation advocacy groups had their say. EAA, AOPA, and the General Aviation Manufacturers Association all said the FAA should lower the ceiling for small UAS operations to 400 feet, instead of the proposed 500 feet, to provide a bigger buffer between UAS and manned aircraft. Other suggestions included requiring UAS to automatically terminate flight if communications are lost, and ensuring that the operators of manned aircraft aren't required to add new equipment as a result of UAS integration. The FAA will now review the comments before publishing a final rule, which is expected to take up to 18 months.
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