Aircraft Instrument Systems · FAA readings

Readings in the sources

10 short readings for AF-H, a topic at a time: what the test asks, and the sections that cover it. Sign in to tick them off as you read.

• FAA-H-8083-31B Aviation Maintenance Technician Handbook — Airframe

1. Function and indications K1, K21, K22

   For the test: Annunciators; angle of attack and stall warning; gear configuration warning

   • FAA-H-8083-31B Ch. 10: Annunciator Panels

2. Compass errors, swinging procedure K2, K3, K8, S6

   For the test: Magnetic compass, its inspection and swinging; direction indicating

   • FAA-H-8083-31B Ch. 10: Magnetic Compass · Vertical Magnetic Compass · Remote Indicating Compass

3. Operating principles K4–K7, K20

   For the test: Pressure, temperature, position and gyroscopic instruments; instrument limitations

   • FAA-H-8083-31B Ch. 10: Pressure Measuring Instruments · Pressure Instruments · Temperature Measuring Instruments · Temperature Indicators · Gyroscopic Instruments · Principles of Gyroscopic Instruments · Common Gyroscopic Instruments

4. Pumps, filters, regulators K9, S7, S10, S11

   For the test: Instrument vacuum and pneumatic systems

   • FAA-H-8083-31B Ch. 10: Vacuum Systems · Vacuum Pump · Engine-Driven Vacuum Pump · Vacuum System Maintenance · Sources of Power for Gyroscopic Instruments

5. System layout K10, K19, S1, S12, R5

   For the test: Pitot-static system; static system leak check requirements; alternate static source

   • FAA-H-8083-31B Ch. 10: Pitot-Static Systems · Pitot Tubes & Static Vents · Pitot-Static System Maintenance & Tests

6. Marking conventions K12, S3, S5

   For the test: Instrument range markings

   • FAA-H-8083-31B Ch. 10: Instrument Range Markings · Instrument Installations & Markings

7. A survey K13, K15–K18

   For the test: Electronic displays; BITE; EFIS; EICAS; head-up displays

   • FAA-H-8083-31B Ch. 10: Electronic Flight Instrument System (EFIS) · LCD Display Screens

8. How an altimeter works and how it is tested S4, S8

   For the test: Determine barometric pressure using an altimeter; select the proper altimeter for a given aircraft

   • FAA-H-8083-31B Ch. 10: Altimeters & Altitude · Altimeter Tests

9. Thermocouple and direct-reading temperature indication S9, S14

   For the test: Identify exhaust gas temperature system components; inspect an outside air temperature gauge

   • FAA-H-8083-31B Ch. 10: Thermocouple Temperature Indicators · Air Temperature Measurement · Non-Electric Temperature Indicators

10. Warning annunciation, briefly S13

    For the test: Locate and explain the adjustment procedures for a stall warning system

    • FAA-H-8083-31B Ch. 10: Aural Warning Systems · Warnings & Cautions