Maine

The crew was engaged in a maritime patrol flight over the Gulf of Maine to localize German U-Boats cruising off the US coast. The crew plan was to make five radio checks during the mission. The first four were received on schedule, but not the final one. The aircraft crashed into the ocean in unknown circumstances and no trace of the aircraft nor the crew was ever found.

The aircraft left Bolling Field AFB (Washington DC) on May 23 bound for Houlton, Maine, with intermediate stops in Montreal and Presque Isle. The crew left Montreal at 0934LT on May 24 with a crew of two and four passengers, among them Lt Col Louis Gimbel. En route, while cruising at an altitude of 5,000 feet, the crew requested to climb to 7,000 feet and confirmed an ETA at 1134LT. In poor weather conditions, the crew was unable to locate the airport of Presque Isle and Houlton. Eventually, the aircraft hit tree tops and crashed in a dense wooded area located in the Howe Brook mountain range, between Presque Isle and Houlton. The aircraft was totally destroyed and all six occupants were killed.
Crew:
1st Lt Clarence Wright, pilot,
S/Sgt Frederick Taylor, flight engineer.
Passengers:
Lt Col Louis Gimbel,
Cpt John Franciscus,
Cpt Gilbert Herbach,
2nd Lt Earl Wilkinson.
Sources & photos: http://www.mewreckchasers.com/C40.html

The twin engine airplane crashed shortly after takeoff from Bangor Airport while on a delivery flight to the Royal Canadian Air Force. Crew fate unknown. Should be registered BW440 by RCAF.
Crew:
James J. Hayes.

The airplane departed Dow AFB on a local test flight with a crew of nine on board. Shortly after takeoff, one of the engine failed. The airplane lost height and crashed, bursting into flames. All nine crew members were rescued, among them three were seriously injured.
Crew:
Carl T. Goldenberg +8.

The airplane departed Westover AFB on a transit flight to Bangor. For unknown reasons, the crew missed Bangor Airport and continued to the northeast. As the airplane ran out of fuel, the pilot attempted an emergency landing when it crashed in a dense wooded area located about 10 miles south of Springfield. All four crew members were killed.
Crew:
2nd Lt Peyton Winfred Beckham,
Cpl Jacob L. Parson,
Pfc Lee E. Rothermel,
2nd Lt Wyman O. Thompson.

The crew was performing a maritime patrol flight off the Maine coast. Upon landing on sea, the aircraft lost a float, came to rest and sank. All three crew members escaped uninjured. The aircraft was landing near the four British ships named HMS Glasgow, Newcastle, Sheffield and Southampton when the accident occurred.

Shortly after takeoff from Rockland, the airplane crashed in unknown circumstances into the Penobscot Bay. A passenger was killed and six other occupants were rescued.

En route from St John to Montreal, the crew encountered engine problems and elected to make an emergency landing in a field located six miles east from Greenville, Maine. The aircraft was damaged beyond repair while both crew were able to walk away for few miles before finding help.
Crew:
'Babe' Woollett, pilot,
Al Parker, mechanic.

Crashed on landing.