"In September, Slashdot reported on an in-flight collision between an Army UA60 helicopter and a hobby drone over Staten Island," writes Slashdot reader ElizabethGreene . "The NTSB has released its final report on the incident, blaming the drone pilot ." Ars Technica reports:The drone's serial number was still legible on its motor, and investigators were able to track down its owner by contacting the manufacturer, who'd maintained a record of the sale. The drone's owner said he'd been unaware of "temporary flight restrictions" in effect that night, and "said that he relied on 'the app' to tell him if it was OK to fly." But for two months DJI had disabled the feature that checks for temporary flight restrictions (to perform troubleshooting), and the NTSB notes that that feature "is intended for advisory use only," and it's the responsibility of drone pilots to comply with FAA airspace regulations.The NTSB also faults the drone's owner for letting it fly out of his line of sight.