All pilots can be vulnerable to making errant callouts if they become complacent and allow habits and expectations to affect their responses, the NTSB warns.
Since the last FAA Administrator to serve out his full term left office in January 2018, the agency has spent over half that time led by an interim top exec.
The financing comes as SkyDrive works to certify its aircraft in time to launch commercial air taxi service for the 2025 World Expo being hosted in Osaka.
Infectious substances, drugs used in veterinary or human treatment, biological products, vaccines, urine samples and medical waste require special precautions.