Japan Trivia Quiz

Correct answer: JA.

Japan flew under a plain J- before the war; the occupation then banned Japanese civil aviation outright, and when flying resumed in 1952 the registry restarted with today's JA marks. See the full list of aircraft registration prefixes by country.

Correct answer: Hinomaru.

The red disc is the sun, apt for the "Land of the Rising Sun." Although the design is centuries old, Japan only made it the legally official national flag in 1999. (Kyokujitsu, the rising-sun rays, is the separate naval ensign.)