Pacific Ocean

The crew was performing a night training exercise when the aircraft crashed in unknown circumstances into the Pacific Ocean, somewhere off the British Columbia's coast. No trace of the aircraft nor the crew was found.
Crew (6th OTU):
P/O John Charles Eric Bayston,
Sgt Daniel Victor Sorfleet,
Sgt Charles Arthur John Wilton.

Lost without trace in the west part of the Pacific Ocean while performing a flight from Papua New Guinea to Indonesia.
Crew:
2nd Lt Ray F. Cochran,
Cpl Theron S. Hensel,
1st Lt Robert W. McCullough,
2nd Lt Daryl W. Porter,
T/Sgt Oliver Edison Smiley,
Sgt Clifford E. Trainor.

Crashed in unknown circumstances while performing a flight between The Philippines and Indonesia. Probably crashed in the west part of the Pacific. No trace of the aircraft nor the crew was found. The date of May 26 is also mentioned for this mishap.
Crew:
S/Sgt James A. Lyerly,
2nd Lt Thomas J. O'Brien,
2nd Lt Edward Y. Ong,
Sgt William B. Pemberton,
Sgt Ernest Gilbert Radcliff.

Lost without trace into the west part of the Pacific Ocean while on a flight from Tacloban to Sansapor, West Papua.
Crew:
2nd Lt Melvin L. Pruett,
1st Lt Odis B. Torbett,
Sgt John A. Morgan,
Sgt Arnold M. Ross.
Passengers:
M/Sgt Chester E. Adams,
Tec James W. Borren,
S/Sgt Dallas H. Coley,
Tec Kenneth W. True.

Lost without trace while on a mission to Osaka. Probably crashed enroute into the Pacific Ocean. No trace of the aircraft nor the crew was ever found.

The crew was taking part to the attack of a Japanese ship while approaching the target, the seaplane was shot down by enemy fire and crashed into the Pacific Ocean, killing all 12 crew members.

The aircraft left Pitu Airport on Morotai Island in the early morning bound for Tacloban, Philippines. It failed to arrive and SAR operations were conducted. Unfortunately, no trace of the aircraft nor the crew was ever found. At the time of the accident, the weather conditions were considered as marginal.
Crew:
Lt Donald Leslie McInteer, pilot,
Cpt Richard A. Kirkland, copilot,
James Thompson Jr.,
Barton J. Rassmussen,
Edmund Z. Szczygiel.
Passengers:
Lt Donald V. Johnson,
Lt Louis C. Skinner,
Lt G. M. L. Costner,
Alsie A. Porterfield,
Alpha Scott,
Charles W. Kallal,
Alfred A. France,
Tony D. Drakos,
Ben Williams,
Bennice Hathaway,
Sgt A. B. Bosely,
Pvt H. L. Straub.

Lost without trace while on a transpacific flight with seven crew members on board.
Crew:
Cpt Virgil Benson,
Cpl Edward F. Ciepiela,
S/Sgt Luelmer E. Criswell,
Cpl Allen R. Hoke,
Cpl Louis H. Hopkins Jr.,
Cpl Ernest P. Kirkland,
Cpl William R. Nordell.

The crew was returning to his base following a mission over the Pescadores Islands (Penghu Islands), Taiwan. The seaplane failed to arrive and is presumed to have crashed into the Pacific Ocean. No trace was ever found.
Crew 20th Squadron):
W/O William Voss Bates,
Sgt Walter Douglas Scott,
F/Sgt William Alan Rowe,
Sgt Alfred Russel,
Sgt Donald Kelway Storrie,
W/O James Reginald Cleworth,
W/O Malcolm Oswald Merrett,
W/O Ross William Schulz,
F/O Keith McClement Caulley.

While landing on rough sea, the seaplane was hit by a large swell and sank. Six crew members were killed while three others were rescued.