22-05. (H) INERTIAL NAVIGATION AND REFRENCE SYSTEMS (INS and IRS)
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1. While the inertial platform system is operating on board an aircraft, it is necessary to use a device with the following characteristics, in order to keep the vertical line with a pendulous system:
2. In order to align a strap-down inertial unit, it is required to insert the local geographical coordinates. This is necessary to:
3. The drift of the azimuth gyro on an inertial unit induces an error in the position given by this unit. “T” being the elapsed time. The total error is:
4. Comparing the present position display on the Boeing 737-400 FMC, you note that there is a 10-mile difference between the left IRS and the right IRS positions. This means that:
5. Which of the following statements concerning the loss of alignment by an Inertial Reference System (IRS) in flight is correct?
