An aircraft is subject to a new Airworthiness Directive (AD) that mandates a specific inspection "within the next 100 hours of time-in-service." What is the regulatory status of this AD?
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A
The AD is a recommendation and can be deferred until the next annual inspection.
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B
The AD is mandatory and must be complied with before the next flight, regardless of the time limit.
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C
The AD is mandatory and must be complied with as specified to maintain the aircraft's airworthiness.
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D
The AD is optional for private operators but mandatory for commercial operators.