0 it was a fighter plane
The Spitfire only had one seat.
The engine is what makes a fighter plane. -Many fighters have been designed around a particular engine, the Spitfire/ Merlin combination for one.
The Spitfire did not hold any bombs. It was a dedicated interceptor fighter.
The Spitfire was a single-seat interceptor fighter.
The Supermarine Spitfire was a British single-seat fighter aircraft. It carried no passengers.
There were many fighter planes in WW1 and in the 1920's and early 30's.The date you mention was that of the first flight of K5054, the Spitfire prototype.
The Supermarine Spitfire was a British single-seat fighter aircraft, used by the Royal Air Force and many other Allied countries during the Second World War, and into the 1950s. It was produced in greater numbers than any other Allied design. The Spitfire was the only Allied fighter in production at the outbreak of the Second World War that was still in production at the end of the war.
The Spitfire was a US Air Force fighter plane. It was an excellent plane, however, many in the US military during World War Two believed it was too slow and did not have enough fuel to accompany Allied bombers on their way to bomb German targets. The Royal Air Force recommended using Rolls Royce engines to increase its speed and also to add extra fuel tanks to the plane. This would allow for the Spitfires to help protect Allied bombers on their way to bomb targets in Germany.
Like all fighter aircraft of WW2,it only had room for the pilot.
It was a fighter, so on many occasions it protected bombers from enemy aircraft.
Who is to say what is the "world's best fighter plane" - there are many criteria to judge this by.