The prevalence of prescription, over-the-counter and illicit drugs found in bodies of fatally injured pilots has continued to trend upwards, the NTSB said.
Speaking to last week's ACSF safety symposium, NTSB chairman Robert Sumwalt warned all of Part 135 gets painted with a broad brush when accidents occur.
Helicopter operator Bristow has partnered with Schiebel to conduct the first trial in the UK of unmanned aircraft for maritime and land search and rescue.
The 2020 ACSF Symposium comes a day after NTSB held a panel discussion on Part 135 safety and will host chairman Sumwalt to discuss its Most Wanted list.
The Vertical Flight Society's workshop on urban air mobility infrastructure will feature FAA leaders, plus engineering, planning and architectural experts.