1C0X2 Apprentice Course Block III Practice Test

What does the design number identify?

Minor changes within same basic mission The aircraft’s manufacturer Major changes within same basic mission The production year

Correct Answer:

Major changes within same basic mission

Explanation:

The design number is used to signal substantial redesigns within the same mission family. It identifies major changes to the aircraft’s airframe, systems, or performance that affect how it operates, while still serving the same basic role. This helps maintain clear maintenance, training, and logistics footing since a new design number means the aircraft requires updated documentation and procedures for the new configuration. So the best choice is that the design number identifies major changes within the same basic mission. Minor updates or production year alone wouldn’t justify a new design number, and changes in manufacturer aren’t implied by the design number either. If the aircraft only receives small upgrades or field fixes, these wouldn’t trigger a new design number.

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