Measurement of Air Data Parameters
Topics in this section
- 022-02-01Pitot-Static Pressure Measurement: Static, Total, and Dynamic Pressure
Study pitot-static pressure measurement for ATPL Instrumentation, including static pressure, total pressure, dynamic pressure, and blockage effects.
- 022-02-02Air Temperature Measurement: SAT, TAT, and Ram Rise
Learn SAT, TAT, and ram-rise measurement principles used by air data systems to calculate TAS and temperature corrections in flight.
- 022-02-03Angle-of-Attack (AoA) Measurement: Sensors, Heating, and Failure Modes
Understand AoA measurement methods, anti-icing, output paths to ADC and stall-warning systems, and operational implications of sensor failures.
- 022-02-04Altimeter Fundamentals: Static Pressure, Subscale Settings, and Errors
Master altimeter operation from static-pressure sensing to QNH/QFE/STD settings, including lag, blockage behavior, and ISA-related indication errors.
- 022-02-05Vertical Speed Indicator (VSI/IVSI): Principle, Lag, and Turning Error
Learn how VSI and IVSI measure vertical speed from static-pressure changes, including lag reduction, blockage behavior, and acceleration-induced errors.
- 022-02-06Airspeed Indicator (ASI): IAS, CAS, TAS, and Pitot-Static Errors
Understand ASI operation, color-code ranges, IAS/CAS/TAS relationships, and classic pitot-static blockage effects used in ATPL Instrumentation.
- 022-02-07Machmeter Operation: Mach Number, Pressure Ratios, and Speed Margins
Study Machmeter principles, TAS-to-local-speed-of-sound relationships, and how constant-Mach climbs affect CAS, TAS, and stall margin.
- 022-02-08Air Data Computer (ADC): Inputs, Outputs, and TAS Computation Logic
Learn ADC architecture for ATPL Instrumentation, including pitot-static and TAT inputs, SAT derivation, TAS computation, and system output distribution.