Boeing B-17 Flying Fortress

While flying in poor weather conditions, the aircraft hit a mountain slope in the Peni Mountains. All 12 crew members were killed.
Crew (16th Squadron):
Cpl Christian Jean Becht,
S/Sgt Fred Clanton,
2nd Lt Earl Richard Clement,
2nd Lt Harvey Julian Hanson,
1st Lt John Albert MacDonald,
2nd Lt John Kemp Pheley,
S/Sgt Leonard Lable Rosenburg,
2nd Lt Robert Murray Ryan,
S/Sgt John Louis Scala,
S/Sgt Guy Edward Shoff,
T/Sgt James Theodore Thomas,
T/Sgt Thayer Todd Turman .

Shortly after take off from Lajes Airport, the aircraft stalled and crashed into the sea. All eight crew members were quickly rescued while the aircraft sank and was lost.

While on approach to RAF Gibraltar, the aircraft crashed into the sea off Punta Carnero, south of Algeciras. All ten crew members were rescued while the aircraft sank and was lost.

The aircraft was engaged in a bombing mission over Bremen when approaching the Dutch coast, it went out of control and crashed in unknown circumstances into the North Sea some 10 km west of Texel Island. All 10 crew members were killed.
Crew (303rd Squadron):
T/Sgt John R. Arter,
1st Lt Wilbur R. Barnhill,
2nd Lt Clarence C. Bixler,
Cpt Addell A. Cote,
S/Sgt Theadore Gomes,
S/Sgt Paul Gunsauls,
1st Lt John W. Hull,
S/Sgt Cecil M. May,
S/Sgt John M. Micek,
T/Sgt Vaughn Reaves.

Crashed in unknown circumstances off Lajes Airport, on Terceira Island. All crew members were rescued and uninjured while the aircraft sank and was lost.

Crashed in unknown circumstances into Lake Bennett near Carcross, while completing a training flight. Six crew members survived while eleven others sank with the aircraft in deep water. A day later, one of the survivor died from his injuries.

The aircraft left RAF Framlingham (Parham) in the morning on a bombing mission to Münster, Germany. While overflying The Netherlands, the aircraft was firstly hit by Flak and then shot down by the pilot of a German fighter. The captain reduced his altitude and was able to perform an emergency landing in a field. A crew member (S/Sgt Lester S. Look Jr.) was killed while 8 others were taken PoW. The last one evaded. Crew from the 571st BS.

The aircraft left its base in UK in 1153LT on a bombing mission to Bremen. While flying over The Netherlands, the aircraft collided with a German fighter and crashed in a field, killing all ten crew members.
Crew (351st BS):
S/Sgt William A. Avery Jr.,
2nd Lt Edward J. Fox,
1st Lt Raymond J. Gormley,
2nd Lt William J. Heath,
S/Sgt Donald R. Hilton,
T/Sgt Jay B. McPhee,
2nd Lt Peter T. Motta,
S/Sgt Charles Presley,
S/Sgt Clay E. Rife,
T/Sgt Dale A. Von Seggern.

The four-engine aircraft left RAF Polebrook on a bombing mission to Frankfurt. While overflying The Netherlands, the aircraft was shot down by the German Flak and crashed in a field located 3 km southeast of Vlissingen. All ten crew members were killed.
Crew (351st BG):
1st Lt Daniel D. Nauman, pilot,
2st Lt William R. Keister, copilot,
1st Lt Walter A. Blair, navigator,
S/Sgt Mario Suozzo, bombardier,
T/Sgt Foy A. Rush, flight engineer,
T/Sgt Robert F. Martin, radio operator,
S/Sgt William R. Towsley, air gunner,
S/Sgt Lewis W. Burgess Jr., air gunner,
S/Sgt Ralph G. Robeson, air gunner,
S/Sgt Willard O. Hunter, air gunner.

The aircraft left an airbase located in the south of the US for a combined exercise with five other similar aircraft over the Gulf of Mexico. In flight, the top of the rudder of 41-24621 hit the right wing of 42-6031. Out of control, both aircraft dove into the sea and crashed some 50 miles off Galveston, Texas. All 22 occupants in both aircraft were killed.
Crew:
2nd Lt Oscar A. Bennett,
Sgt William B. Culp Jr.,
Sgt Charles L. Findley,
2nd Lt Oscar L. Koegel Jr.,
Sgt Reinhold Kubarth,
Cpt Henry A. Lewis,
Sgt William P. Pine,
2nd Lt Alva W. Redding Jr.,
Sgt Richard E. Royer,
Sgt B. J. Smith,
Sgt William W. Volkner.