Which statement describes a mandatory ATC report related to airspeed?

Prepare for the Instrument Flying Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Ensure readiness for your test!

Multiple Choice

Which statement describes a mandatory ATC report related to airspeed?

Explanation:
The main idea is that ATC needs to be informed of significant changes in your speed so they can maintain proper spacing and sequencing. In IFR operations, a mandatory speed report is required when your airspeed changes by more than 10 knots or more than 5 percent from the assigned or filed airspeed. This threshold helps ATC anticipate how your aircraft’s performance will affect separation with other traffic, especially during approach, departure, and holds. The other options describe changes in altitude, heading, or time of day, which involve different reporting criteria and not the specific airspeed threshold in this context.

The main idea is that ATC needs to be informed of significant changes in your speed so they can maintain proper spacing and sequencing. In IFR operations, a mandatory speed report is required when your airspeed changes by more than 10 knots or more than 5 percent from the assigned or filed airspeed. This threshold helps ATC anticipate how your aircraft’s performance will affect separation with other traffic, especially during approach, departure, and holds.

The other options describe changes in altitude, heading, or time of day, which involve different reporting criteria and not the specific airspeed threshold in this context.

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