Spitfire VB EP751 or EP754. Note retention of original fin shape but with additional under-fin.

Самолёты на фотографии: Aircrafts on the photo: Supermarine Spitfire VB / IXB - ВеликобританияUnited Kingdom - 1941

Another picture of W3760 taken at MAEE Helensburgh during sea trials.

Самолёты на фотографии: Aircrafts on the photo: Supermarine Spitfire VB / IXB - ВеликобританияUnited Kingdom - 1941

The first prototype Spitfire Mk VB floatplane conversion, EP751, pictured at Folland Aircraft’s Hamble works after modification. The aircraft still retains the original fin and rudder; a four-bladed propeller was fitted.

Самолёты на фотографии: Aircrafts on the photo: Supermarine Spitfire VB / IXB - ВеликобританияUnited Kingdom - 1941

The first Spitfire floatplane to fly, although not the first built, was this Mk.Vb, W3760. The floats of this aircraft were designed by Supermarine and built by Folland. Built at Southampton in July 1941, the aircraft was ready for trials in September 1942.

Самолёты на фотографии: Aircrafts on the photo: Supermarine Spitfire VB / IXB - ВеликобританияUnited Kingdom - 1941