AG600: China's First Amphibious Aircraft Completes First Water Takeoff

China's first home-grown amphibious aircraft AG600 (code-named Kunlong) successfully carried out its first take-off and landing on water.

• It is claimed to be as the world;s largest amphibious aircraft.
• In this maiden flight, the seaplane took off from Zhanghe Reservoir in Jingmen, Hubei's province and stayed airborne for about 15 minutes.

About the AG600 amphibious aircraft:

• AG600 is the third member of China's large aircraft family following the large freighter Y-20 and large passenger aircraft C919.
• It has been developed and built by state-owned aircraft giant Aviation Industry Corporation of China.
• It had made its maiden flight at the coastal city at Zhuhai in December 2017.
• AG600 can land and take off from water. 
• It has a wingspan of 38.8 metres. 
• It is powered by four turboprop engines.
• It is capable of carrying 50 people and can stay airborne for 12 hours.
• It has an operational range of 4,500-km.
• This aircraft has military applications and can also be used for firefighting and marine rescue.
• Its flight capabilities put all of China's artificial island-building projects in disputed South China Sea (SCS) well within its range.

Question:

What is the name of China's first home-grown amphibious aircraft that successfully carried out its first take-off and landing on water?
a. AB500 (code-named Lunlong)
b. AG600 (code-named Kunlong)
c. AD700 (code-named Junlong)
d. None of the above