After how many minutes into alignment will an attempted INS BIT dump the EGI alignment?

After how many minutes into alignment will an attempted INS BIT dump the EGI alignment?

• A. 1
• B. 2
• C. 3
• D. 4

Answer: (B)

An Inertial Navigation System (INS) is typically designed to perform a Built-In Test (BIT) which allows for troubleshooting and verifying the functionality of its components. During the alignment phase of the INS, the system calibrates its sensors to determine the initial position and orientation. The BIT process is crucial because it can interrupt or adversely affect this alignment if performed at inappropriate times. Within the context of the question, after two minutes during the alignment phase, an attempted BIT will indeed dump the current alignment data of the EGI (Embedded GPS/Inertial). This is because the system reaches a threshold after which it considers the alignment sequence established enough that initiating a BIT would corrupt or invalidate the results obtained so far. This timing is designed to ensure that significant initialization data is not lost prematurely and that the system has had enough time to achieve a valid alignment before any tests that could disrupt it are executed. Thus, after two minutes, if a BIT is attempted, it effectively results in the loss of the alignment data that was being established, making this choice the correct one.

An Inertial Navigation System (INS) is typically designed to perform a Built-In Test (BIT) which allows for troubleshooting and verifying the functionality of its components. During the alignment phase of the INS, the system calibrates its sensors to determine the initial position and orientation.

The BIT process is crucial because it can interrupt or adversely affect this alignment if performed at inappropriate times. Within the context of the question, after two minutes during the alignment phase, an attempted BIT will indeed dump the current alignment data of the EGI (Embedded GPS/Inertial). This is because the system reaches a threshold after which it considers the alignment sequence established enough that initiating a BIT would corrupt or invalidate the results obtained so far.

This timing is designed to ensure that significant initialization data is not lost prematurely and that the system has had enough time to achieve a valid alignment before any tests that could disrupt it are executed. Thus, after two minutes, if a BIT is attempted, it effectively results in the loss of the alignment data that was being established, making this choice the correct one.