HOWEVER, he now tells me that he has lost confidence in it because it had to have the recalibration. I explained to him that any precision instrument needs to be recalibrated at times, but he is adamant that the Phantom is now unreliable. So... I'm short on reasons why IMU would need to be recalibrated.
The National Highway Traffic Safety Administration estimates that drowsy driving was responsible for 72,000 crashes, 44,000 injuries, and 800 deaths in 2013.4 However, these numbers are underestimated and up to 6,000 fatal crashes each year may be caused by drowsy drivers.5-7.
Car Accident Statistics 2013 Summary: 6 million â average number of car accidents every year. 3 million people are injured every year in car accidents in America. Around 2 million drivers experience permanent injuries every year from car accidents. 40,000 people lose their lives every year due to major accidents while driving.