1 In NDA, however, the floor of Class A high-level airspace varies between FL230, in what is referred to as the Northern Control Area, and FL270, in what is referred to as the Arctic Control Areas.  Only IFR flight is permitted in Class A airspace, and all aircraft are therefore subject to ATC clearances and instructions.
dvmt Updated: 07/12/2017 by Computer Hope Short for Dynamic Video Memory Technology, DVMT is an architecture that offers breakthrough performance for the motherboard through efficient memory utilization and Direct AGP. Related pages Computer motherboard help and support.
What is DMT? DMT is a naturally occurring 'tryptamine'. Tryptamines are a group of substances found in nature that mimic the chemical structure of serotonin. As you may know, serotonin is a neurotransmitter in the human brain - and one that plays a very important role indeed.