AC Instruments

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Jimmy Doolittle

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Aviation

17 Terms

1

Jimmy Doolittle

Proved that blind flight was possible on September 24, 1929, using instruments like the artificial horizon and altimeter.

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2

Instrument Flight Rules (IFR)

Require specific instruments such as gyroscopic pitch-bank and directional gyro for flying in instrument meteorological conditions.

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3

Visual Flight Rules (VFR)

Allow pilots to operate aircraft in generally clear weather conditions where outside visibility is sufficient.

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4

Flight Instruments

Devices used to provide information on altitude, airspeed, vertical speed, and heading.

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5

Types of Airspeed

Includes Calibrated Airspeed (CAS), Indicated Airspeed (IAS), True Airspeed (TAS), and Groundspeed (GS).

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6

Altimeter

An instrument that measures altitude based on barometric pressure.

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7

Attitude Indicator

Also known as the artificial horizon, it shows the aircraft's roll and pitch.

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8

Turn Coordinator

Indicates rotation about the longitudinal axis and includes an inclinometer to assess coordinated flight.

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9

Navigation Instruments

Tools used to determine an aircraft's exact location by measuring direction and distance.

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10

Very High Frequency Omni-Directional Range (VOR)

A standard radio navigation system for cross-country flying in the US.

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11

Automatic Direction Finder (ADF)

A navigation aid that has been in use since the 1930s, utilizing non-directional beacons (NDB).

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12

Engine Instruments

Measure operating parameters of the aircraft engine, including quantity, pressure, and temperature.

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13

Engine Oil Pressure Gauge

Indicates oil pressure in psi, crucial for engine lubrication and cooling.

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14

Tachometer

Measures the rotation speed of the engine shaft in revolutions per minute (rpm).

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15

Exhaust Gas Temperature Indicator (EGT)

Monitors the exhaust gas temperature of an internal combustion engine in aircraft.

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16

Manifold Pressure Gauge

Measures pressure inside the induction system of piston aircraft engines.

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17

Fuel Gauge

Measures the quantity of fuel in the aircraft's fuel tanks.

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