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US 4,154,190 AGranted
Calibrated aircraft directional gyro for indicating holding pattern entry procedure
OwnerPaul E. Utgoffinventor
Life of this patent
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Abstract
A directional gyro for aircraft having on its stationary face plate, color zones referable separately to portions of the 360.degree. movable directional scale; each color zone indicating a particular entry procedure (direct, parallel, or tear drop) for the preselected radial.
Claims9
A colored indication plate on a directional gyro for indicating holding pattern entry procedures comprising,
- a. a directional gyro with, a movable calibrated directional scale on the gyro,
- b. a stationary face plate on the gyro,
- c. a plurality of distinctive areas arranged in segments of a circle on the stationary face plate of the gyro, each one of said segments referable to a controller assigned holding radial on the movable calibrated directional scale, whereby a pilot may read which approach entry pattern procedure to adopt from the identity of the distinctive segment opposite the assigned holding radial.
Dependencies are inferred from the claim text.