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

The airplane was engaged in a night patrol escort duty mission with enforced radio silence. While returning to base, it crashed in the vicinity of Tulagi, bursting into flames. All eight crew members were killed.
Crew (VP-24):
Lt(jg) Robert Chalfent Allen, pilot,
Ens Archie H. Pate,
Ens William E. Leming,
Amm2 William Craig Henderson,
Amm2 Robert E. Neuman,
Amm3 Agmar E. Voge,
Rm3 Otis T. Severson,
Ap1 Lody B. Maxwell.

The twin engine airplane departed Honiara-Henderson Field at 1715LT on a flare dropping mission south of Bougainville Island. In the evening, it was shot down by a Japanese fighter and crashed into the sea off Shortland Island. All five crew members were killed.
Crew (3rd Squadron):
F/Lt Wilfred Opawa Rutherford, pilot,
F/O Vivian Roberts Eady, copilot,
Sgt Lisle Gordon Smith, navigator,
Sgt William Clement Lankshear, wireless operator,
Sgt John Robert McDougall, air gunner.

The airplane departed Carney Field at 0420LT on a reconnaissance and bombing mission over Kapingamarangi (Greenwich Islands) to report enemy movements. Over Kapingamarangi Lagoon, the bomber came under antiaircraft fire and aerial opposition. The crew made six ground attacks on the base, attacking the radio station on Hare Island, and claimed one plane in the air shot down, and three seaplanes destroyed in the water. Likely caught by its own bomb blast or accurate antiaircraft fire, the bomber crashed into the lagoon only 700 metres from the base, near the beach area it was attacking. All 11 crew members were killed.
Crew (VP-102):
Lt Bruce A. Van Voorhis, pilot,
Lt(jg) Herschel A. Oehlert Jr., copilot,
Lt(jg) Jack Orville Traub, navigator,
Acom Charles D. Linzmeyer,
Acrm Johnny A. Renner,
Amm1 George Charles Stephens,
Aom2 Donald B. Clogston,
Amm2 Charles A. Martinelli,
Amm2 Henry Ford Watson,
Amm3 Frederick C. Barker Jr.,
Amm3 Richard W. Roscoe.

Impacted the ground while cruising in poor weather conditions. Crew fate is unknown. Crew from MAG-25 (VMJ-153).

The airplane departed Henderson Field on a night search mission. It suffered an engine failure and was ditched off Guadalcanal Island and later sank. All crew members were rescued.

The seaplane was engaged in a night maritime patrol flight off Guadalcanal Island. It failed to return to base and no trace of the seaplane nor the 12 crew members was ever found.
Crew (VP-54):
Lt(jg) Walter Howell Cummings, pilot,
Lt(jg) Frederick S. Panetto,
Ens George Ordell Foss,
Ap1c Monta Colma Ellis,
Ap1c John Robert Wolverton,
Amm1c Ralph O. Brent,
Amm2c John Fred Williams,
Amm2c Lyle Cooper Johnson,
Amm3c Raymond B. Williford,
Rm1c Elvin Earl Packer,
Rm2c Grant F. Leonard,
Rm3c William T. Ross.

Crashed in unknown circumstances. There were no fatalities.