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Multiple Choice

Use the phrase '____,' if the aircraft will operate in an approved ALTRV.

When operating in an approved ALTRV, you must indicate that your path is defined by a reserved altitude through a formal plan. The correct phrase to use is “Via approved altitude reservation flight plan.” This communicates to ATC that you will enter the ALTRV along a flight plan that has secured the required altitude reservation, ensuring the necessary protection and coordination. The other options don’t fit because they imply different filing mechanisms or omit the flight plan requirement. An altitude route flight plan is a different concept, and simply being inside an approved ALTRV or relying on standard aviation practice doesn’t specify the needed reserved-altitude flight plan.

When operating in an approved ALTRV, you must indicate that your path is defined by a reserved altitude through a formal plan. The correct phrase to use is “Via approved altitude reservation flight plan.” This communicates to ATC that you will enter the ALTRV along a flight plan that has secured the required altitude reservation, ensuring the necessary protection and coordination.

The other options don’t fit because they imply different filing mechanisms or omit the flight plan requirement. An altitude route flight plan is a different concept, and simply being inside an approved ALTRV or relying on standard aviation practice doesn’t specify the needed reserved-altitude flight plan.