Anna Zvereva When you’re boarding an airplane, you might not notice the subtle differences between an Airbus and a Boeing. But the truth is airplanes come in many shapes and sizes and they’ve changed a lot over time. We rounded up the most popular, well-known, or innovative planes the year you were born.1968: Beechcraft Model 99 PD-USGov This tiny commuter plane launched commercially in the late 1960s and carried 15 to 17 passengers at a time, according to Plane and Pilot. 1969: Boeing 747-100 Ken Rose One of the most well-known airplanes in the world to this day is the Boeing 747.