Saro A.36 Lerwick

The crew was performing an instruction mission. While landing on Lough Erne, Northern Ireland, the seaplane hit violently the water surface and bounced. The pilot in command increased power on the right engine when the aircraft banked left at an angle of 45°. The left wing hit the water and the aircraft ground looped and came to rest. While the Saro was damaged beyond repair, all three crew members were slightly injured.

Shortly after take off from Helensburgh, while climbing, the right engine failed. The crew was unable to maintain a safe height on just one engine and the aircraft hit a hillside near Faslane, north of Helensburgh. All seven occupants, engaged in a calibration test flight, were killed.
Crew:
F/Lt John Collison Alexander, pilot,
P/O Charles Henry Mills, pilot and observer,
LAC William Sidney Emilio Gianella, air gunner,
LAC William Desmond John McLaughlin, radio operator,
AC2 Peter Beattie Hunter,
AC1 Raymond Theodor Moorcroft Bullocke,
Passenger:
Mr Wilfred Harry Such, civilian instrument repairer.
Source:
http://www.helensburgh-heritage.co.uk/index.php?option=com_content&view=article&id=582:seven-died-in-faslane-seaplane-crash&catid=88:military&Itemid=462

While taxiing on the Bay of Helensburgh, the floatplane collided with rocks and was damaged beyond repair. There were no casualties.

The floatplane crashed in unknown circumstances into the sea some 7 miles northwest of the Tarbat Ness Lighthouse. Three crew members were rescued while nine others were killed.
Crew (4th OTU):
Sgt Ronald William Ballard, †
P/O Gordon Dudley Gilmour, †
P/O Alistair George Hall, observer, †
Sgt Joseph Allan Johnston, †
AC2 George Kidd, †
AC1 James Kerr Kidd, †
Sgt Peter Spackman, †
AC2 Stanley Owen Wainwright, †
W/O R. Bette, †
P/O V. Marshall,
Sgt H. F. Cole,
AC2 D. P. Taylor.

The crew departed Pembroke Dock on a training mission consisting of tests with the Flying Boat Blind Approach System. Weather conditions deteriorated and the crew was forced to ditch the airplane in the Bristol Channel off St Govan's Head. All five crew members took place in a dinghy and the aircraft sank 25 minutes later. All crew were rescued and the aircraft was lost.
Crew:
S/L Banks, pilot,
Eddie E. Briggs, copilot +3.

The floatplane departed Oban (Argyll) on a maritime patrol flight over the Atlantic Ocean when it crashed in unknown circumstances off the Irish coast. SAR operations were initiated but eventually abandoned after few days as no trace of the aircraft nor the 13 crew members was found.
Crew (209th Squadron):
F/O Peter Thomas Anderson,
W/C John Edmond Bainbridge,
F/O Edmund Franklin Cragg,
CPL William Charles Davis,
F/S Michael Charles Daniell,
F/S Ronald Leslie Dingle,
P/O Ronald John Fyfe,
Sgt Thomas Owen Lewis,
Sgt James McIntosh McDonald,
LAC Albert Edwards McQuitty,
Sgt Alan Robert Taylor,
Sgt William Ernest Tilley,
F/O Richard Patrick Turner.

While taking off from the harbor of Stranrear, the floatplane went out of control and crashed into the bay. Two crew members were killed and seven others were injured. The airplane was engaged in a maritime patrol flight over the North Sea on behalf of the 209th Squadron. Those killed were Sgt William George Evans (air gunner) and AC1 Thomas Middlebrook.

The crew departed Ardantrive Bay, off Oban, at 0335LT bound to the west on an escort mission. About an hour into the flight, the crew encountered bad weather conditions and the captain decided to return to his departure point. Upon landing in the Ardantrive Bay, the seaplane hit waves and the right float was torn off. The aircraft plunged into the sea and sank. All nine crew members from the 209th Squadron were rescued and the aircraft was lost.

Took off from Oban at 1130LT but was forced to return at 1230LT due to bad weather. Approaching Oban, the pilot decided to land well out in the Firth of Lorne due to poor visibility. Apparently owing to an error in judgment, he stalled the aircraft onto the water, causing it to bounce several times some 5 miles west of Oban off the lighthouse, at the southern point of Lismore Island. In doing this, the starboard wing tip float was knocked off and the aircraft heeled over, causing water to enter through the windows. All the crew managed to get out into the water before the aircraft sank. Unfortunately, the pilot was killed while three other crew members were missing.
Crew (209th Squadron):
F/S George A. Corby, pilot, †
P/O W. E. Ogle-Skan,
AC2 Taylor,
AC1 Richard J. Webber, †
AC2 Lawrence H. Trumay, †
LAC George Peterson. †

Sources: CWGC and Ross McNeill, Coastal Command Losses of the Second World War, 1939-1941