Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testeasyins-irs
The IRS provides data for:
A
Attitude, heading, position, ground speed, wind, and track to other aircraft systems
B
Engine monitoring only
C
Radio communications
D
Cabin pressure control
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See where you stand: 5 hard questions, instant score, every answer explained.