"Our mission now is to continue to motivate people, corporations and governments to use these same solutions on the ground wherever they make sense," Solar Impulse chairman and pilot, Bertrand Piccard, said in a statement ahead of landing the plane in Abu Dhabi.
The plane touched down at 8:09 p.m. eastern time in the United States, 4:09 a.m. local time in the United Arab Emirates.
The letter-perfect flight took 48 hours.
Solar Impulse 2's flight from Cairo, Egypt to Abu Dhabi began at 1:00 AM Cairo time Sunday, and was frought with challenges including extreme heat and unpredictable winds.
Solar Impulse 2's round-the-world tour started in March 2015 in Abu Dhabi. Pilots and team leaders Betrand Piccard and André Borschberg said they wanted their effort to promote clean technology across the globe.
Since then the Swiss-engineered experimental aircraft has made 16 stops across the world without using a drop of fuel to demonstrate that using the plane's clean technologies on the ground can halve the world's energy consumption and save natural resources.
Over its course of itsmission, Solar Impluse 2 completed more than 500 flight hours, cruising at an average speed of between 28 mph (45 kmh) and 56 mph (90 kmh).
It made stops in Oman, India, Myanmar, China, Japan, the U.S., Spain, Italy, Egypt and the United Arab Emirates. Its North American stops included California, Arizona, Oklahoma, Ohio, Pennsylvania and New York.
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