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The output data of an IRS include:

1 – number of satellites tracked
2 – Mach number
3 – ground speed
4 – true track

The combination that regroups all of the correct statements is:

  • A
    1, 4.
  • B
    3, 4.
  • C
    2, 3.
  • D
    1, 2, 3, 4.

Find the inputs and outputs of the IRS in the table below:

Output data Input data
True track Mach number
True/Magnetic heading TAS
Present position (lat/long) Radio height
Attitude (pitch/roll) Static pressure
Ground speed Number of satellites
Drift angle Angle of attack

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