1) Solar Impulse
Solar Impulse is a Swiss long-range solar-powered aircraft
project which is currently planned to make a trip around the earth over the
period of five months in 2015. Website
2) Sunseeker
The solar-powered airplane Sunseeker became the first
solar-powered airplane to cross the United States in 1990. Website
3) Sky-Sailor
The Sky-Sailor is planned to be carried to Mars in a small
aeroshell that would be attached to a carrier spacecraft. Upon reaching Mars
the solar plane will be use to collect data through exploration. Website
4) NASA Pathfinder, Pathfinder Plus, Centurion, and Helio
The above projects are lightweight, solar-powered, remotely
piloted flying wing aircrafts that are demonstrating the technology of applying
solar power for long-duration, high-altitude flight. Website
5) Zephyr
The Zephyr family of solar-electric-powered unmanned air
vehicles can provide high-altitude, long-endurance autonomous unmanned flights
and also provide high-quality surveillance data over large areas in real time. Website