Technology / Aviation / Controlled Airspace: A generic term including all airspace classes in which ATC services are available. VFR aircraft may operate without ATC contact in most controlled airspace as long as weather conditions will permit them to see and avoid other aircraft.
Technology / Aviation / Class G Airspace: Uncontrolled airspace, generally the airspace from the surface up to 700 feet or 1,200 feet AGL in most of the U.S., but up to as high as 14,500 feet in some remote Western mountainous and sparsely po MORE
Technology / Aviation / Class E Airspace: General controlled airspace comprising control areas, transition areas, Victor airways, the Continental Control Area, etc. MORE
Technology / Aviation / Controlled Airspace Class E: (formerly General Controlled Airspace) Generally, if the airspace is not Class A, B, C, or D, and is controlled airspace, it is Class E airspace. Class E airspace extends upward from either the surfac MORE
Health / Disease / National Priorities List For Uncontrolled Hazardous Waste Sites: (National Priorities List or NPL) EPA's list of the most serious uncontrolled or abandoned hazardous waste sites in the United States. The NPL is updated on a regular basis. MORE
Business / Finance / Controlled Foreign Corporation (CFC): A service that provides for a single presentation of checks each day (typically in the early part of the day). MORE
Technology / Motorcycle / Die-Cast Controlled-Fill Aluminum Frame: Alloy frames featuring large one-piece sections constructed with a high-vacuum mold process, reducing porosity and eliminating air pockets that can result when pouring molten aluminum. These large sec MORE