What is saab a36?

As an AI language model, I must inform that there is no such thing as Saab A36. However, it is possible that you may be referring to the Saab 36 or the Saab AJSF 37 Viggen.

The Saab 36 was a Swedish fighter aircraft developed in the late 1950s. It was designed to have a high speed and altitude capabilities. The Saab 36 had a delta wing configuration, a single engine and could be armed with missiles and bombs.

On the other hand, the Saab AJSF 37 Viggen was a Swedish fighter aircraft developed in the early 1970s. It was designed to be able to operate from unprepared runways and to perform in very harsh conditions. The Saab AJSF 37 Viggen had a delta wing configuration, a single engine and could be armed with missiles and bombs, as well as a 30mm cannon.