positive control area

  • 1positive control area — Airspace within which there is positive control of aircraft. Flight in a PCA normally is conducted under IFR (instrument flight rules). A PCA is designated throughout most of the continental United States, and its vertical extent is from 18,000… …

    Aviation dictionary

  • 2Area Control Center — [ thumb|300px|This temporary flight restriction map from the Federal Aviation Administration shows the boundaries of the regions controlled by the Area Control Centers within and adjoining the continental United States, as well as the FAA… …

    Wikipedia

  • 3Positive psychology — is a recent branch of psychology that studies the strengths and virtues that enable individuals and communities to thrive. Positive psychologists seek to find and nurture genius and talent, and to make normal life more fullfilling, not to cure… …

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  • 4Control of respiration — Control of ventilation refers to the physiological mechanisms involved in the control of physiologic ventilation. Gas exchange primarily controls the rate of respiration. The most important function of breathing is gas exchange (of oxygen and… …

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  • 5Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …

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  • 6Control room — For the documentary film, see Control Room (film). NASA s Shuttle Flight Control Room in Houston, Texas A control room is a room serving as an operations centre where a facility or service can be monitored and controlled. Examples include: in… …

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  • 7Area bombardment — Aerial area bombardment is the policy of indiscriminate bombing of an enemy s cities, for the purpose of destroying the enemy s means of producing military materiel, communications, government centres and civilian morale. It differs from the use… …

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  • 8Traffic Control — ➡ law enforcement * * * Introduction       supervision of the movement of people, goods, or vehicles to ensure efficiency and safety.       Traffic is the movement of people and goods from one location to another. The movement typically occurs… …

    Universalium

  • 9Air traffic control — For the Canadian musical group, see Air Traffic Control (band). Airport Traffic Control Towers (ATCTs) at Amsterdam s Schiphol Airport, the Netherlands …

    Wikipedia

  • 10Internal control — In accounting and organizational theory, Internal control is defined as a process effected by an organization s structure, work and authority flows, people and management information systems, designed to help the organization accomplish specific… …

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