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.
  DMT stands for Dimethyltryptamine, it is a chemical produced in some mammals and plants that can cause intense hallucinogenic effects. It can also be made to be smoked, â¦ snorted, and injected.hose under the influence of DMT can accidentally harm themselves or others, as well. So, DMT may be considered dangerous by some standards. Also, it should be noted that in many countries DMT is regulated and possession of this substance carries substantial legal risk.