sesquiplane Directory References Discover The Largest Islands in the World Why Do Jeans Have That Tiny Pocket? Is Australia an Island? What's the Difference Between a Solstice and an Equinox? 10 Best Hockey Players of All Time 9 of the World’s Deadliest Snakes 6 Cultures That Recognize More than Two Genders sesquiplane airplane Ask the Chatbot a Question Learn about this topic in these articles:biplanes In biplane…the lower) is called a sesquiplane. A few triplane designs proved successful during World War I; powered aircraft with four or more main lifting surfaces have never been more than curiosities.Read More
