Consolidated PBY Catalina

The crew was performing a training mission off Donegal, Ireland. In flight, the float plane exploded and crashed into the sea. All nine occupants were killed.
Crew:
Sgt Peter Phillip Bacon,
Sgt Cyril Barraclough,
F/O Douglas Haig Disney,
F/O Kenneth Hipwell,
Sgt James Male,
F/Lt Edward Earle Muffitt,
Sgt Charles Edward Poots,
Sgt Harold Edwin Scarman,
Sgt Albert Upton.

The crew was performing night landing practice in the San Francisco Bay, off Alameda NAS. It is believed the crew lost control of the aircraft while avoiding collision with an aircraft carrier and crashed. Four crew members were killed.

Crashed in unknown circumstances into the sea off Port Moresby, killing all six crew members.

Crashed in unknown circumstances on a hill located in Ballinamallard, northeast of Enniskillen, Northern Ireland. Eight crew members were killed while two others were injured.
Crew (131st OTU):
S/L Patrick George Cooper, †
F/O David Leigh Sproule, †
F/O Frank Herbert Grainger, †
Sgt John Harvey Hodgson, †
Sgt James Millard Allen, †
Sgt Valentine Hinton Louis, †
W/O Gerald Frederick Hardy, †
F/Sgt Donald Mudd, †
Sgt J. Green,
Sgt R. F. Middaugh.

The crew was engaged in a combined exercise with three other similar aircraft and was flying along the Strait of Juan de Fuca when he encountered mist. At low height, the aircraft hit a hill located in Pillar Point, east of Pysht and was partially destroyed on impact. Two crewmen who were seating in the rear were rescued while all eight other occupants were killed.

Lost without trace in the Gulf of Mexico with 9 crewmen on board.

The crew was completing a torpedo attack on enemy ships in Pomelaa Harbour when the aircraft was shot down by anti-aircraft fire and crashed into the sea. Eight crew members were killed while two others were rescued. One of the survivor died a day later.
Crew (20th Squadron):
F/O Norman Falkner Dwyer, †
F/O Ronald Frank Dickinson, †
P/O Douglas Graham McDiarmed, †
Sgt Frank Haydock Thomson, †
Sgt Thomas Stephen McMahon, †
Cpl Samuel James Carnell, †
F/Lt Jack Robert Hyde, †
Lt Palgrave Ebden Carr,
F/Lt John Malcolm Barnes, †
W/Cdr Stanley Gordon Stilling. †

Following an uneventful mission, the crew was returning to Casco Cove Guard Station on Attu Island. On approach, the pilot realized that the sea was rough and decided to continue to the Massacre Bay where the situation seemed to be easier. On landing, the seaplane was hit by a wave and plunged into the sea. While all occupants were able to evacuate the cabin, the aircraft sank and was lost. It was carrying a cargo of 1,200 gallons of fuel and two bombs.

Shortly after take off from the Laucala Bay, off Suva, while on a night training sortie, the seaplane reached the height of 200 feet and then plunged into the bay, few hundred yards off shore. All four occupants were killed.

The seaplane, carrying 10 crew and 9 passengers, crashed when landing after returning from Merauke and Karumba. After touching down the aircraft traveled a short distance when it struck a large wave and sank by the bow. A film that captured the incident disclosed that after the aircraft sank by the bow one or both anti-submarine depth charges exploded.
Crew (11th Squadron):
F/Lt Charles John Miles, pilot, †
F/Lt William John Canterbury, pilot, †
F/O Ronald Irvine Ferguson, pilot, †
F/O Gordon John Robert Hockey, navigator, †
F/O Reginald Albert Weeks, wireless operator, †
F/Sgt Bernard Victor McInerney, wireless operator, †
Cpl William Richard George Lobb, fitter,
Sgt Maxwell Burnett Dore, flight engineer,
Cpl Ronald Colin Smith, fitter,
Cpl Albert Leslie Fowler, armourer.
Passengers:
S/L Leo Mathew Hogan, †
F/O Charles Harry Ratcliffe, †
S/L John Vernon Angus, †
F/Lt Frank Haighton Lord, †
F/Lt William Archie Wilkinson, †
P/O Beresford Frederick Shearman, †
Cdr Arthur Henry Cobby,
W/Cdr Bruce Panton MacFarlan,
W/Cdr Willem Lodewyk Boscchart Stephens.
Source:
http://www.adf-gallery.com.au/
http://www.ozatwar.com/ozcrashes/qld190.htm