When must the radio license be displayed in aircraft equipped with two-way radio?

When must the radio license be displayed in aircraft equipped with two-way radio?

• A. When traveling internationally
• B. Always
• C. Only during maintenance
• D. When parked on the ground

Answer: (A)

The key idea is that the radio license proves you’re authorized to operate the aircraft’s two-way radio, and this must be readily verifiable when you’re in foreign airspace. Displaying the license during international travel allows inspectors or authorities in other countries to confirm you have the proper authorization to use the radio on the assigned frequencies, which is why this scenario is framed around international operations. Domestic flights may be covered by documentation on file or inspected on request, but the cross-border requirement is what the question emphasizes.

The key idea is that the radio license proves you’re authorized to operate the aircraft’s two-way radio, and this must be readily verifiable when you’re in foreign airspace. Displaying the license during international travel allows inspectors or authorities in other countries to confirm you have the proper authorization to use the radio on the assigned frequencies, which is why this scenario is framed around international operations. Domestic flights may be covered by documentation on file or inspected on request, but the cross-border requirement is what the question emphasizes.