There are a lot of factors here. The first is the plane. It has roughly similar dimensions to the Antonov AN-124 that returned the obelisk. Also, from this picture (http://www.telegraph.co.uk/news/graphics/2005/04/20/wobel20a.jpg) it has a similar landscape behind it. Another factor is whether this is actually an airplane or not. It appears to be, but its not for sure. Also, there really aren't any landing strips around. It all comes down to time. The obelisk's return was in April, 2005, but the date of the images in unknown. Its all a big question mark really.
No Longer There
Links: www.ethioembassy.org.uk, en.wikipedia.org