The image is a diagram of a Britten-Norman BN-2A Islander MCA HM Coastguard aircraft. The diagram is divided into two sections, with the top section showing the layout of the aircraft and the bottom section showing its various components.

The top section of the diagram shows the fuselage, wings, tail, and cockpit. The fuselage is red and white, with a red stripe running along the side. The tail section is white with a black stripe running down the center. The cockpit is also red and has a black and white striped pattern on the sides. The wings are white with black stripes on the top and sides, and the tail section has a white stripe on the left side. 

There are also several letters and numbers scattered throughout the diagram, including "V", "B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", and "U". These letters are likely used to indicate the different components of the model. The text on the diagram provides further information about the aircraft, such as its size, weight, and other specifications.