How to distinguish the nationality of an aircraft?

Each aircraft has its own registration number, also known as the aircraft number or tail number, which is an important identifier of an aircraft and without duplicate number in the world. Without this number, the civil aircraft is not allowed to make any flight, even if the transition flight of a new aircraft. The aircraft registration number includes two parts: the nationality mark and registration mark. Today we’d like to talk about the nationality mark of an aircraft registration number.

We often see registration numbers of aircrafts with the prefix of B, N and even PP, SU. Do you know what do they mean and which countries do they belong to? Here are some examples of the prefix of aircraft registration number and its corresponded countries or regions.

    (Evangle Luo of TTFLY shared with you)