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  2. Fluxgate compass - Wikipedia

    en.wikipedia.org/wiki/Fluxgate_compass

    A fluxgate inclinometer/compass. The basic fluxgate compass is a simple electromagnetic device that employs two or more small coils of wire around a core of highly permeable magnetic material, to directly sense the direction of the horizontal component of the Earth's magnetic field.

  3. Template:Cite PHAK - Wikipedia

    en.wikipedia.org/wiki/Template:Cite_PHAK

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  4. Heading indicator - Wikipedia

    en.wikipedia.org/wiki/Heading_indicator

    Some more expensive heading indicators are "slaved" to a magnetic sensor, called a flux gate.The flux gate continuously senses the Earth's magnetic field, and a servo mechanism constantly corrects the heading indicator. [4]

  5. Airport/Facility Directory - Wikipedia

    en.wikipedia.org/wiki/Airport/Facility_Directory

    The Airport/Facility Directory also provides a means for the FAA to communicate, in text form, updates to visual navigation charts between their revision dates — VFR Sectional and Terminal Area Charts are generally revised every six months. Volumes are side-bound at 5 + 3 ⁄ 8 by 8 + 1 ⁄ 4 inches (140 mm × 210 mm), and colored a ...

  6. Servo tab - Wikipedia

    en.wikipedia.org/wiki/Servo_tab

    An anti-servo tab on the elevator of an American Aviation AA-1 Yankee. An anti-servo tab, or anti-balance tab, works in the opposite way to a servo tab. It deploys in the same direction as the control surface, making the movement of the control surface more difficult and requires more force applied to the controls by the pilot.

  7. Horizontal situation indicator - Wikipedia

    en.wikipedia.org/wiki/Horizontal_situation_indicator

    Illustration of the face of a horizontal situation indicator showing the key elements of the display. The horizontal situation indicator (commonly called the HSI) is an aircraft flight instrument normally mounted below the artificial horizon in place of a conventional heading indicator.

  8. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    An airliner fuselage, such as this Boeing 737, forms an almost cylindrical pressure vessel.. Cabin pressurization is a process in which conditioned air is pumped into the cabin of an aircraft or spacecraft in order to create a safe and comfortable environment for humans flying at high altitudes.

  9. Uncontrolled decompression - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_decompression

    In 1996, the FAA adopted Amendment 25–87, which imposed additional high-altitude cabin-pressure specifications, for new designs of aircraft types. [25] For aircraft certified to operate above 25,000 feet (FL 250; 7,600 m), it "must be designed so that occupants will not be exposed to cabin pressure altitudes in excess of 15,000 feet (4,600 m ...