Survey / Patrol / Reconnaissance

While on a maritime patrol flight over the Bay of Bengal, the four-engine aircraft was shot down by the pilot of a Japanese fighter and was lost at sea. No trace of the aircraft nor the crew was found.
Crew (160th Squadron):
W/O J. Cohen, pilot,
F/O T. R. Pallet, copilot,
F/Sgt F. Somerville, navigator,
Sgt F. Bless, wireless operator and air gunner,
Sgt A. J. N. Owen, wireless operator and air gunner,
Sgt H. Isey, wireless operator and air gunner,
W/O L. A. Munson, wireless operator and air gunner,
Sgt F. E. Naylor, wireless operator and air gunner.

The aircraft was completing a maritime patrol flight off Indonesia on behalf of the 2nd Squadron. En route, while attacking the Japanese ship christened 'Sugi Maru', the twin engine aircraft was shot down by enemy fire and crashed into the sea some 20 miles north of the Tanimbar Island. Three crew were killed instantly while two others were rescued and taken PoW. Both were executed on October 31.
Crew (2nd Squadron):
F/Lt L. A. Martin, †
F/O Marcus C. Wettenhall, †
F/Sgt N. A. Graham,
F/O M. H. Williams, †
F/Sgt William Robinson Boanas.

Shot down by the pilot of a German fighter (JU.88) over the Bay of Biscay, while on a patrol flight. No trace of the aircraft nor the crew was ever found.

Shot down by the pilot of a German fighter (JU.88) over the Bay of Biscay. The captain was able to ditch the aircraft and all occupants were rescued while the aircraft sank.

The crew was completing an anti-sub-marine patrol mission off the South African coast when a fuel exhaustion forced the captain to ditch the seaplane off L'Agulhas. All crew members survived while the aircraft was deliberately sunk by a machine gun.

Lost without trace in the Bay of Bengal, off the Andaman Islands, while on a maritime patrol flight. No trace of the aircraft nor the crew was ever found.

Following a maritime patrol flight over the Atlantic Ocean, the crew was returning to his base in RAF Castle Archdale. In early morning, while flying over Munster province in marginal weather conditions and low visibility, the seaplane hit the Brandon Peak and crashed. Eight crew members were killed while three others were wounded.
Crew (422nd Squadron):
F/O Guy Nelson Wilkinson, pilot 10.

The four-engine aircraft left Port Moresby-5 Mile Airfield in the morning on a patrol flight over New Britain and then Solomon Sea. At 1316LT, the crew informed ground that they sighted seven enemy ships and that they will attack. This was the last radio contact. The aircraft christened 'Hells Angels' most probably crashed into the Solomon Sea and no trace of it nor the crew was found.
Crew (90th Squadron):
1st Lt Lewis G. Jones, pilot,
2nd Lt Samuel A. Robinson, copilot,
2nd Lt Julien H. Hicks, navigator,
1st Lt Billy D. Hunter, bombardier,
T/Sgt Irving S. Berman, flight engineer,
T/Sgt John J. Hennessey, radio operator,
S/Sgt Chester L. Bull, air gunner,
S/Sgt Samuel P. Culp, assistant radio,
S/Sgt Billie D. Feather, assistant engineer,
S/Sgt Emerson C. Fie, photographer,
S/Sgt Robert W. Whitehead, air gunner.
Source:
http://www.pacificwrecks.com/aircraft/b-24/41-11903.html

The crew was performing a maritime patrol flight over the sea of Arafura. In flight, twin engine aircraft was shot down by the pilot of a Japanese fighter and crashed into the sea, killing all four crew members.
Crew (2nd Squadron):
Sgt Lamb, pilot,
Sgt Ikin, navigator,
Sgt N. McLean, wireless operator and air gunner,
Sgt M. Jackson, wireless operator and air gunner.

While on a survey flight off the north coast of Iceland, the four-engine aircraft was shot down by two USAAF P.38 Lightning and crashed into the Greenland Sea off the Grimsey Island. All seven crew members took refuge in a dinghy and were later rescued while the aircraft sank and was lost.
Crew (I/KG40):
Karl Holtrup,
Günter Karte,
Josef Teufel,
Herbert Richter,
Emil Brandt,
Wilhelm Lehn,
Siegfried Klinkmann.
Source: http://aviation-safety.net/wikibase/wiki.php?id=78787