UFOs which have been observed have diferent shapes and models. Below you may find the most observed models and types of them:
1-) Disc Type UFO: These models are the most known ones. The inspection windows, landing gears and doors can be seen on the photos.
2-) Conical and Spherical Type UFO: Following the disc type UFOS these are the second mostly observed UFO models.
3-) Boomerang Type UFO: These types started to be seen since 1980s. They can fly at very low altitude and at very low speed.
4-) Triangle Type UFO: Started to be seen since 1989, firstly observed in Belgium. The number of observation of these types now increased the number of disc type observations.
Triangle Type UFO: