22-05. (H) INERTIAL NAVIGATION AND REFRENCE SYSTEMS (INS and IRS)
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1. In a ring laser gyro, the purpose of the dither motor is to:
2. 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:
3. One of the errors inherent in a ring laser gyroscope occurs at low input rotation rates tending towards zero when a phenomenon known as “lock-in” is experienced. What is the name of the technique, effected by means of a piezo-electric motor, that is used?
4. An IRS is aligned in order to:
5. What measurement is used to carry out alignment of an Inertial Navigation System?
