All Indonesia

The aircraft christened 'Queenie' left Lae-Nadzab Airport at 0641LT bound for Mokmer Aerodrome (Biak Island) with a en route stop at Tadji Airfield. The aircraft failed to arrive and no trace of it nor the 19 occupants was ever found.
Crew:
Lt Col Walter P. Piehl, pilot,
Maj Alan C. Attebery, copilot,
S/Sgt Cortez A. Beal, flight engineer,
S/Sgt Henry Y. Willis, radio operator,
T/Sgt Edgar W. Elseman, crew chief.
Passengers:
Major Robert H. Barnes,
Major Victor De F. Henriques,
Captain Russell G. Helmer,
Captain Fred J. Lewis,
Captain Paul V. McKnight,
Captain Wendell Root,
1st Lt Winton D. Witmer,
2nd Lt John C. Campbell,
2nd Lt. Roland J. Hickey,
WO Dawson L. Hutchison,
S/Sgt August J. Bachor,
Sgt William R. Ray,
Cpl Noel L. Lowe,
PFC Clyde H. Hopkins Jr.
Source: http://www.pacificwrecks.com/aircraft/b-17/41-2464.html

The crew was completing a sea mining mission over the Java Sea when the crew radioed the aircraft was shot down. Both tanks were hit and the crew informed ground about his position off Surabaya. SAR did not find any trace of the aircraft nor the crew.

While on a maritime patrol flight, the seaplane was shot down by a Japanese Nakajima Ki-27. The crew reduced his altitude in ditched the airplane off Sumatra. The airplane sank and all occupants survived.

The crew was performing a delivery flight. At the end of the mission, while overflying the Java Province, the bomber was attacked by enemy fire. The crew reduced his altitude and attempted an emergency landing when the airplane crash landed in a paddy field. The airplane was damaged beyond repair and all four occupants were uninjured.

The airplane was shot down by enemy fire and crashed into the sea off Sumatra. Lost without trace.
Crew:
W/O Sidney Horace Stafford, pilot,
W/O Ronald Leslie Willmott, observer,
F/Sgt Francis John Hicks, wireless operator air gunner.

Lost in action and crashed somewhere in Indonesia. Crew fate unknown.

The airplane departed Malang Airport on an operation to Balikpapan. While returning to base, it was attacked by Japanese fighters. Hit in the tail, the airplane lost 4,000 feet then entered a dive and crashed nose first in the Makassar Strait. No trace of the crew was ever found.
Crew:
2nd Lt William Troy Biggers,
2nd Lt Richard Wellington Cease,
S/Sgt J. Gordon Drake,
Cpl Cecil R. Hamman,
2nd Lt Jack Thomas Laughlin,
Pfc Charles T. Pritchard,
Lt Col Stanley Keith Robinson,
1st Lt Walter William Sparks Jr.,
Pfc Lloyd N. Terrell.

On a flight from Surabaya to Kupang, while cruising along the Flores Island, the twin engine airplane was shot down by the pilot of a Japanese fighter and crashed in the Sumba Strait. All four crew members were rescued and transferred to Australia while the airplane sank and was lost.
Crew:
F/O Noel Wilson Webster,
F/Sgt Lionel Maurice Van Praag,
Sgt Eric Picker,
Cpl Frederick Christopher James Mason.

The seaplane was performing an evacuation operation when it probably crashed somewhere in the Karimata Strait. Lost without trace.

The airplane departed Tarakan on a flight to Samarinda, carrying a crew of five. It crashed in unknown circumstances somewhere in a mountainous area of east Kalimantan. It was never recovered. All five crew members were killed.