Solomon Islands

Hit a mountain slope on San Cristobal Island, killing all 10 crew members.

While cruising along the Vella Lavella Island, the twin engine aircraft was shot down by the pilots of eight Japanese fighter and crashed into the sea. Crew abandoned the sinking aircraft but were strafed by enemy fighters. Four of them were killed while the air gunner was able to reach the shore.
Crew (3rd Squadron):
F/Lt William Allison, †
P/O Frank Kerr, †
Sgt Ronald Douglas, †
Sgt James Johnstone, †
Sgt Trevor Ganley.

The seaplane left Honiara-Henderson Field at 1900LT on July 16 for a 12 hours anti-submarine mission. By night, while cruising along the Vella LaVella Island, the left engine caught fire. The captain attempted to ditch the aircraft few hundred yards off shore but the aircraft crash landed and sank immediately. All 13 crew members were rescued.
Crew:
Lt James W. Anderson, pilot 12.
Source: http://www.vpnavy.com/vp54_mishap.html

Crashed in unknown circumstances into the Tulagi harbor, killing all seven crew members.

While flying along the coast of the Guadalcanal Island, the twin engine aircraft was shot down by the pilot of a Japanese fighter and crashed into the sea. All five crew members were killed.
Crew (3rd Squadron):
F/Lt Wilfred Rutherford,
F/O Vivian Eady,
Sgt Lisle Smith,
Sgt William Lankshear,
Sgt John McDougall.

While performing a maritime patrol flight off the Guadalcanal Island, the seaplane crashed into the sea in unknown circumstances. No trace of the aircraft nor the 12 crew members was ever found.

During the takeoff roll at Honiara-Henderson Field, the twin engine airplane went out of control, veered off runway and crashed into a ditch. All occupants escaped uninjured.

During the takeoff roll at Honiara Airport, a tyre burst. The twin engine airplane went out of control, veered off runway and crashed into a ravine, bursting into flames. Bombs stored in the cargo bay exploded and the airplane was totally destroyed. Two crew members were killed and three others were seriously injured.
Crew (3rd Squadron):
F/O Nelson Warner, †
F/Sgt John Jerrat, †
F/L K. King,
Sgt H. Baker,
Sgt B. Dillner.

Following a combat mission over the Gavutu Island, the seaplane was returning to its base in Luganville with 10 passengers and five crew members on board. Shortly after takeoff, the pilot initiated a sharp turn when both engines stopped. He attempted an emergency landing but the seaplane hit the water surface 1,2 km offshore and came to rest. All 15 occupants evacuate and were rescued while the airplane sank by a depth of 20 metres and was lost.
Crew (VP-44):
Lt Jarlath J. Lyons +4.

Ditched into the sea off Pavuvu Island and lost. All crew members were rescued.