The image is a photograph of a blue sign with white text on it. The sign is located in a concrete area with a concrete wall in the background. The text on the sign reads "May Bay U. 17B" and "U.17 PLANE" in Vietnamese. Below the text, there is a list of specifications for the U17 plane, manufactured by Cessna Aircraft Company. 

The list includes the weight, weight, effective time in action, maximum range of action: 1,111 km, rocket launcher system, two flare guns, anti-SA-7 rocket system. The specifications are written in black text on a white background.