Altitude Scale

 

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Altitude Scale
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The ALT scale, a moving tape read against a fixed lubber line, displays the altitude of the vehicle above the runway (barometric altitude). The scale range is –1,100 feet to +165 n. mi., with scale changes at –100, 0, 500 feet, and +100,000 feet. The scale is in feet from –1,100 to +400,000 and in n. mi. from +40 to +165. Feet and nautical miles overlap from +40 to +61 n. mi..
General

Non-normal Procedures

Normal Procedures

Limitations

Schematic

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