Aircraft Systems ANSWER KEY

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Across
  1. 4. System Powers gyroscopic instruments such as the attitude indicator and heading indicator
  2. 6. Control Regulates the ratio of fuel to air in the engine for different altitudes
  3. 7. Supplies electrical power and charges the battery during flight
  4. 8. Injects fuel directly into the cylinders for engine start in cold conditions
  5. 11. Uncontrolled, explosive combustion in the cylinder that can damage the engine
  6. 12. Indicates the performance of the electrical system and whether the battery is charging
  7. 13. Tube Provides ram air pressure for the airspeed indicator
  8. 14. Lubricates, cools, and cleans the engine components
  9. 15. Pump Ensures fuel reaches the engine, especially in fuel-injected systems
Down
  1. 1. Provides electrical current to spark plugs independently from the battery and alternator
  2. 2. Provides electrical power for engine start and backup power in case of alternator failure
  3. 3. Ignition of the fuel-air mixture before the spark plug fires, causing engine damage
  4. 5. Mixes fuel and air for combustion in engines without fuel injection
  5. 9. Pressure Measures the pressure in the intake manifold of the engine, used in aircraft with constant-speed propellers
  6. 10. Port Provides ambient air pressure for the altimeter, vertical speed indicator, and airspeed indicator