Canada

Fifteen minutes after takeoff from Montreal-Dorval Airport, while climbing, the engine number three caught fire. The captain decided to return to Dorval but realized it would not be possible. So he attempted an emergency landing when the aircraft crash landed in flames in a field located in Saint-Simon-de-Bagot, about 50 km east of Montreal. Two passengers were killed. On the ground, Mr. R. Plouffe was killed while trying to get to the burning aircraft. Electricity wires brought down by the aircraft caused his death.
Crew:
G. I. Voorhees, pilot,
David J. Mitchell, copilot,
F/Lt M. S. Ferguson, navigator,
Leonard William Smith, flight engineer,
E. A. Hunt, radio operator.
Passengers:
L. A. Ready,
A. E. Colato,
F/O Joseph Hall, †
C/O Douglas C Morrison. †

Enroute, while cruising in heavy snow falls, the pilot decided to make an emergency landing. On touchdown, the single engine aircraft hit an obstacle and came to rest. There were no injuries but the aircraft was sent back to Noorduyn for repairs but was eventually declared as irreparable.

While landing in the Saanich Inlet, the seaplane hit the water surface, ground looped and sank. Four crew members were killed while four others were rescued.

Shortly after takeoff from Tofino, the seaplane lost height and crashed 5 km east of Tofino. All 12 crew members were rescued while the aircraft was lost.

After landing on Sandgritt Lake, the seaplane hit rocks, overturned and came to rest upside down. There were no casualties but the aircraft was written off.

During a navigation exercise, while cruising at a height of about 25 feet, the twin engine aircraft hit a ferry cable and crashed in an icy river located near Bassano. All three crew members were killed.
Crew (15th SFTS):
P/O Kenneth Leslie Sutton, pilot,
LAC Ian Robert Vidler, pilot,
F/Sgt Leslie John Tame, wireless operator.

The crew left RCAF Abbotsford in the day for a training mission over the Vancouver Island. En route, the aircraft went into a cloudy area and eventually crashed into the sea off Bell Island. Only few debris and personal effects were recovered but not trace of the aircraft nor the 11 crew members was ever found.
Crew (5th OTU):
P/O Thomas Henry Bastable,
P/O Robert Henry Burr,
Sgt Frank Cocksey,
Sgt James Brown Cuthbertson,
F/O Cyril Irwin Mitchell,
Sgt William David Newton Morgans,
Sgt Alan Simpson,
Sgt George Arthur Snelling,
F/Lt Kenneth Edmund Spence,
Sgt Peter Stead,
P/O James Francis Trickey.

The seaplane was engaged in a maritime patrol mission when it crashed into the sea off Clayoquot, in the region of Tofino, Vancouver Island. No trace of the aircraft nor the crew was found and all rescue operations were suspended after few days. The wreckage was eventually spotted on July 1945.

Crashed in unknown circumstances into the sea off Tofino. Despite intense search, no trace of the seaplane nor the ten crew members was found.

All along the route do Stephenville, the weather conditions were considered as good. While approaching the destination, the winds went stronger. Some ten minutes prior to the scheduled arrival time, by night, the four engine aircraft hit the slope of a mountain located near Cape Saint George, west of Stephenville. Nine occupants were killed while nine others were seriously injured. Few days later, three of them died from their injuries.
Source & photos: http://planecrashgirl.ca/