Bombing

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

Shortly after take off from Port Moresby-7 Mile Airfield, the aircraft suffered a structural failure and crashed in a field. All crew members from the 63rd BS were uninjured while the aircraft christened 'Old Topper' was damaged beyond repair and used for spares.
Source & photo:
http://www.pacificwrecks.com/aircraft/b-17/41-2481.html

While overflying Sicile, the heavy bomber christened 'Baby' was shot down by anti-aircraft fire and crashed near Cancello. Eight crew members were killed while three others were taken PoW.
Crew (98th BG):
S/Sgt Donald Lee Bennett,
2nd Lt Marion Butler Cook,
S/Sgt Edward Louis Fracasso,
S/Sgt Charles Lipperman Franck Jr.,
S/Sgt Ancil Clair Holman,
2nd Lt Kenneth Leroy Minnich,
T/Sgt Lloyd Allen Petersen,
S/Sgt Thomas Owen Varner.

The aircraft christened 'Peter Wabbit' was involved in a bombing mission over Schweinfurt when en route, it was shot down by the pilot of a German fighter and crashed in Daxweiler, killing all 10 crew members.
Crew (379th BG):
S/Sgt Eldred J. Andruss,
1st Lt William C. Barnard,
S/Sgt Marvin T. Charlson,
T/Sgt Henry I. Cushman,
S/Sgt Francis J. Donahue,
2nd Lt Kenneth F. Gibbs,
1st Lt Joseph J. Hilderbrand,
T/Sgt Benjamin Radensky,
1st Lt Erwalt D. Wagner,
S/Sgt Dean J. Yates.

The aircraft left RAF Downham Market at 2019LT on August 16 on a bombing mission to Torino, Italy. While flying over the east part of France at an altitude of 14,000 feet, the aircraft was shot down by the pilot of a German fighter and crashed in a field in Saint German en Bugey. A crew member was taken PoW, another evaded while five others were killed.
Crew (218th Squadron):
W/O S. F. Chudzik, †
Sgt D. Deans, †
Sgt C. E. Taylor, †
Sgt D. P. J. Rawlings, †
Sgt J. D. Bates, †
Sgt J. L. Paterson,
Sgt W. L. McKinnon.

En route to Foggia on a bombing mission, the aircraft was shot down by the pilot of a German fighter and crashed in Reggio de Calabre. All 10 crew members were killed.
Crew (44th BG):
Sgt Adolph P. Aguirre,
1st Lt Walter Raymond Bateman,
T/Sgt Robert D. Chapman,
S/Sgt Michael A. Cianciolo,
2nd Lt John T. Ellis,
T/Sgt Herbert F. Post,
1st Lt Halbert W. Propst,
S/Sgt Charles R. Smith,
S/Sgt Joe A. Stevenson,
2nd Lt William C. Travis Jr.

While cruising over Switzerland, the crew encountered engine problems and was forced to attempt an emergency landing. The aircraft crashed in a pasture near the village of Thurau and was damaged beyond repair. All 10 occupants including four officers evacuated safely and set the aircraft afire before being interned.
Crew:
1st Lt Alva J. Geron, pilot,
2nd Lt Russell P. Liscomb, copilot,
2nd Lt Robert V. Simpson, navigator,
2nd Lt Robert E. Todd, bombardier,
T/Sgt Donald J. Grimes, flight engineer,
S/Sgt Thomas A. Osborn, top turret,
S/Sgt Gumecindo J. Frausto, radio operator,
Sgt Charles L. Roberts, gunner,
Sgt Richard G. Ryan, gunner,
T/Sgt David L. Wightman, gunner.

The seaplane left RAF Castle Archdale around 0500LT on a routine maritime patrol flight to Reykjavik, Iceland. Around 0915LT, the crew spotted the German U-Boat registered U-489 that was performing its first sortie from Kiel. The crew of the Sunderland completed four attacks when he was hit by enemy fire. The captain was forced to ditch the aircraft that sank within 5 minutes. Five crew members were killed while six others were rescued. The U-Boat was lost as well.
Crew (423rd Squadron):
F/O Harry Bertram Parliament,
Sgt Frank Ginger Hadcroft 9.

The crew was engaged in an anti-submarine patrol flight over the Atlantic Ocean. En route, the German submarine U-572 was spotted, cruising some 550 km off the Guyana coast. The crew of the Mariner attacked the submarine that was sunk. But it seems the Mariner was shot down as well and crashed into the sea at 11°35' N 54°06' W. No trace of the aircraft nor the crew was found.
Crew:
Lt Clifford C. Cox 11.

The aircraft christened 'Lil Joe' was engaged in the 'Tidal Wave' operation consisting on an air raid over the oil refineries of Ploiești. While approaching the target, the heavy bomber was shot down by Flak and crashed in flames. Five crew members were killed while four others were taken PoW.
Crew (345th BS):
S/Sgt Roy Carney,
T/Sgt Lloyd Theodore Fowler,
2nd Lt Donald Jenkins,
2nd Lt Philip Erick Nelson,
1st Lt Alan Edward Petersen.