Dorset

The crew was performing a training exercise from/to Bournemouth-Hurn Airport. On final approach, the right engine failed due to a lack of oil pressure. The captain abandoned the approach and started a go around. During the second attempt to land, the aircraft turn onto its back and crashed in a field located short of runway. Three crew members were killed while the fourth occupants was injured.

The crew was completing a night training sortie from Poole. After a waiting period of 25 minutes, the pilot completed a first flare. During a second flare, the aircraft took off in foggy conditions before hitting the water off Poole and sank. Eight crew members were killed while four others were injured. The aircraft was destroyed.
Crew (210th Squadron):
F/O P. R. Duff, †
F/O W. A. Hobson, †
P/O D. O. Ahmed,
Sgt J. S. Garnett,
F/Sgt R. E. Rasmussen, †
F/O M. D. Cohen, †
Sgt R. J. Kington,
Sgt W. Eley,
Sgt A. B. Allen, †
Sgt M. M. Doyle, †
Sgt F. Frogson, †
Sgt G. Harper. †

The crew was performing a training flight in the area of Poole. While landing in the Poole harbor, the seaplane named 'Dog-Able' went out of control and crashed. Three crew members were killed and three others were injured. The airplane was destroyed by fire and sank.
Those killed were:
R/O Reginald Martin,
R/O Fred Mitchell,
Mr Loweman, flight engineer.
Source & photo:
http://www.pooleflyingboats.com/archive/Momentum-for-the-Postwar-Era-at-Poole.pdf

Crashed in unknown circumstances into the sea off Poole. There were no fatalities.

The airplane departed RAF Ridgewell at 1859LT on an operation to Lorient. Homebound, both starboard engines failed. The order to abandon the airplane was given but only three were able to do so before the Stirling crashed on Bold Barrow Hill, west of Blandford Forum. Four crew members were killed and one was injured.
Crew:
F/O James Stenhouse Brydon, pilot, †
F/O Norman John Hartney, †
W/O Willard Kennedy Rosenberry, †
F/Sgt William Cuthbert Morton, †
Sgt J. A. Rodger,
Sgt W. A. Hurn,
Sgt E. R. Evans, air gunner.

The airplane crashed in unknown circumstances near Kingston Lacy House, Wimborne. All eight crew members were killed.
Crew:
F/Lt John Frank Hugh Andrews, pilot,
F/O Murray Archer Legg, pilot,
Sgt Alexander Sinclair Doull, flight engineer,
F/O George Robert Pringle, observer,
Sgt Alan Henry Norman Bickley, wireless operator,
W/O Lawrence Edward Gilpin, wireless operator,
W/O Sidney James Prince, wireless operator,
Lac Albert Haywood.

The airplane departed Dijon-Longvic AFB on an operation to Birmingham. Approaching the south British coast at an altitude of 20,000 feet, it was shot down by a British fighter and crashed in Preston. Three crew members were killed and two others became PoW.
Crew:
Obfw Richard Bock, pilot,
Cpt Adelbert Karbe, observer, †
Obfw Wilhelm Becker, radio operator,
Fw Hans Delatron, flight engineer, †
Fw Erhard Schaffer, air gunner. †

The crew departed RAF Boscombe Down on a test flight consisting of a series of climb tests when the starboard outer engine (n°4) oversped and caught fire. The captain ordered his crew to abandon the airplane which they did successfully. Unfortunately, the airplane broke up and crashed in Lytchett Minster, killing the pilot.
Crew:
W/Cdr John William McGuire, pilot, †
W/O F. Robinson.

While on an operation to England, the airplane was shot down by the British Flak and crashed on the Isle of Portland. All four crew members were killed.
Crew:
Oblt Horst Becker, pilot,
Uffz Richard Gurklies, observer,
Uffz Helmut Kording, radio operator,
Gefr Josef Rother, air gunner.

The airplane departed RAF Croft at 1735LT on February 14 on an operation to Mannheim. While returning to base the following night, and with its wireless equipment unserviceable, the crew strayed off track and, subsequently, came down in the sea at 0200LT some 20 miles south of the Hampshire resort of Bournemouth. All five crew members were injured and rescued.
Crew:
P/O R. E. Atkinson,
Sgt J. C. Stevens,
Sgt R. Shipley,
F/Sgt J. D. Rogers,
P/O G. T. Turner.