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What is artificial horizon in aircraft?
Whether part of an EFIS display or a mechanical instrument, an Attitude Indicator (AI), Attitude Director Indicator (ADI) or Artificial Horizon (AH) provides flight crew with essential information about aircraft attitude relative to the real horizon when the latter cannot be determined because of poor forward …
What is a caged gyro?
Caging. Many gyros include a manual caging device, used to erect the rotor to its normal operating position prior to flight or after tumbling, and a flag to indicate that the gyro must be uncaged before use. Turning the caging knob prevents rotation of the gimbals and locks the rotor spin axis in its vertical position.
How does the miniature aircraft and horizon bar work?
The miniature aircraft and horizon bar mimic the relationship of the aircraft relative to the actual horizon. It is a primary instrument for flight in instrument meteorological conditions. Attitude is always presented to users in the unit degrees (°).
What do the wings on an artificial horizon mean?
Wings below the horizon bar indicates a decent. The upper blue part of the ball represents the sky. The miniature airplane wings (fixed to the case) represent the wings of the aircraft. In the past, the instrument has been referred to as “an artificial horizon”.
What does it mean when wings are above the horizon bar?
When the wings are aligned with the horizon bar, the aircraft is in level flight. If the wings are above the horizon bar, the aircraft is in a climb. Wings below the horizon bar indicates a decent. The upper blue part of the ball represents the sky.
What are the degrees of Bank on an artificial horizon?
The first 3 on both sides of centre are 10 degrees apart, then 60 degree bank marks, and 90 degree bank arks. Fifteen degrees of bank is called a standard rate turn. The adjustment knob is used to adjust the wings up or down to align with the horizon bar.