standard clearance

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• Standard Form 312 — (SF 312) is a non disclosure agreement required under Executive Order 13292 to be signed by employees of the U.S. Federal Government or one of its contractors when they are granted a security clearance for access to classified information. The… …   Wikipedia

• Clearance diver — A US Navy work diver is lowered to the sea bed during a dive from the USNS Grasp (ARS 51) off the coast of St. Kitts. A clearance diver was originally a specialist naval diver who used explosives underwater to remove obstructions to make harbours …   Wikipedia

• Clearance car — A Washington Metro railcar, originally built for passenger service, later converted to a clearance car. Note the addition of feelers to the car. A clearance car is a type of railroad car in maintenance of way service. Its purpose is to check the… …   Wikipedia

• clearance — 1. (C with a subscript indicating the substance removed)Removal of a substance from the blood, e.g., by renal excretion, expressed in terms of the volume flow of arterial blood or plasma that would contain the amount of substance removed per …   Medical dictionary

• Standard Carrier Alpha Codes — The Standard Carrier Alpha Code (SCAC) is a unique code used to identify transportation companies. It is typically two to four alphabetic letters long. It was developed by the National Motor Freight Traffic Association in the 1960 s to help the… …   Wikipedia

• standard instrument departure — A designated IFR departure route linking the aerodrome or a specified runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en route phase of flight commences (ICAO). A standard IFR… …   Aviation dictionary

• standard instrument departure chart — An aeronautical chart designed to expedite clearance delivery and to facilitate the transition between take off and en route operations. Each SID procedure is presented as a separate chart and may serve a single airport or more than one airport… …   Aviation dictionary

• standard terminal arrival — An ATC (air traffic control) coded IFR (instrument flight rules) arrival route established for arriving IFR aircraft destined for certain airports. Its purpose is to simplify clearance delivery procedures. It is a preplanned instrument rule ATC… …   Aviation dictionary

• Security clearance — For use by the United Nations, see Security Clearance (UN) A security clearance is a status granted to individuals allowing them access to classified information, i.e., state secrets, or to restricted areas after completion of a thorough… …   Wikipedia

• Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis …   Wikipedia

• British Standard Whitworth — (BSW) is one of a number of imperial unit based screw thread standards which use the same bolt heads and nut hexagonal sizes, some others being British Standard Fine thread (BSF) and British Standard Cycle. These three are collectively called… …   Wikipedia