Certified Flight Instructor (CFI) Practice Exam

What document is essential for flight in Class A airspace?

1. VFR navigation chart

2. IFR flight plan

3. Pilot logbook

4. VFR flight plan

The correct answer is: IFR flight plan

In Class A airspace, which begins at 18,000 feet MSL, all flights must operate under Instrument Flight Rules (IFR). This requirement applies to both commercial and general aviation flying. To legally and safely navigate within this airspace, pilots are required to file an IFR flight plan before departure. This plan outlines the intended route of flight, including waypoints, altitudes, and destination, which assists air traffic control in managing traffic and ensuring safety in this highly congested section of airspace. While other documents like VFR navigation charts or pilot logbooks may be useful for different types of flights or preparation, they are not specifically required for operations in Class A airspace. A VFR flight plan is also not applicable here, as flights in Class A must adhere to IFR rules. Hence, an IFR flight plan is indispensable for ensuring compliance with airspace regulations and effective communication with air traffic control while operating in Class A airspace.