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  2. Position error - Wikipedia

    en.wikipedia.org/wiki/Position_error

    The system error, including position error, ..., may not exceed three percent of the calibrated airspeed or 5 knots (9.3 km/h), whichever is greater, throughout the [operating speed range for the aircraft].

  3. Attitude indicator - Wikipedia

    en.wikipedia.org/wiki/Attitude_indicator

    The instrument may develop small errors, in pitch or bank during extended periods of acceleration, deceleration, turns, or due to the earth curving underneath the plane on long trips. To start with, they often have slightly more weight in the bottom, so that when the aircraft is resting on the ground they will hang level and therefore they will ...

  4. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    The altimeter setting used is the ISA sea level pressure of 1013 hPa or 29.92 inHg. The actual surface pressure will vary from this at different locations and times. Therefore, by using a standard pressure setting, every aircraft has the same altimeter setting, and vertical clearance can be maintained during cruise flight. [1]

  5. Gillham code - Wikipedia

    en.wikipedia.org/wiki/Gillham_Code

    The transponder gets its altitude information from an encoding altimeter mounted behind the instrument panel that communicates via the Gillham code. Gillham code is a zero-padded 12-bit binary code using a parallel nine- [ 1 ] to eleven-wire interface , [ 2 ] the Gillham interface , that is used to transmit uncorrected barometric altitude ...

  6. NTSB Reveals Altitude Discrepancies, Lost Communication With ...

    www.aol.com/ntsb-reveals-altitude-discrepancies...

    The Black Hawk helicopter may have been flying with “bad data” and didn’t hear all air traffic control instructions before colliding with a passenger plane, officials said.

  7. Flight instruments - Wikipedia

    en.wikipedia.org/wiki/Flight_instruments

    The cockpit of a Slingsby T-67 Firefly two-seat light airplane.The flight instruments are visible on the left of the instrument panel. Flight instruments are the instruments in the cockpit of an aircraft that provide the pilot with data about the flight situation of that aircraft, such as altitude, airspeed, vertical speed, heading and much more other crucial information in flight.

  8. Air data inertial reference unit - Wikipedia

    en.wikipedia.org/wiki/Air_data_inertial...

    An Air Data Inertial Reference Unit (ADIRU) is a key component of the integrated Air Data Inertial Reference System (ADIRS), which supplies air data (airspeed, angle of attack and altitude) and inertial reference (position and altitude) information to the pilots' electronic flight instrument system displays as well as other systems on the aircraft such as the engines, autopilot, aircraft ...

  9. Cassandra ‘Elvira’ Peterson Looks Nearly Unrecognizable in ...

    www.aol.com/lifestyle/cassandra-elvira-peterson...

    Cassandra Peterson is still a total goth queen, even when she's dressed supremely casually.. The Elvira actress was spotted in Southern California, arriving at Los Angeles International Airport ...