article_snippet.sent: In February, the FAA proposed long-awaited rules to try to set U.S. guidelines for drones, addressing growing interest from both individual and corporations in using unmanned aerial vehicles.
article_snippet.sent: test a more advanced drone system and now hopes for quicker .
article_snippet.sent: process is not keeping up with rapidly developing drone .
article_snippet.sent: authorities have more 'reasonable' approaches that recognize the . potential economic benefits of commercial drone operations. '
article_snippet.sent: ban on most commercial drone flights, but several restrictions .
article_snippet.sent: commercial drones to an altitude of 500 feet (150 metres), allow .