United States Air Force - USAF (since 1947)

The aircraft was involved in a ground crash test on behalf of the Flight Safety Foundation and assistance of North American Aviation. With no one on board, the aircraft was crashed at a speed of 130 knots against a concrete wall and was completely destroyed. The weapon cylinder in the cargo bay remained intact.
Thanks to Chris Baird - www.arizonawrecks.com

The four engine airplane departed Otis AFB, MS, in the evening of November 10 on a maritime patrol flight over the Atlantic Ocean, carrying 15 passengers and a crew of four. At 0130LT, while cruising at a height of 200 feet, the airplane nosed down and crashed into the ocean about 200 km east of Nantucket. The crew of a fishing vessel who was near the crash site was able to quickly intervene but only few debris were found, such as life vests and personal stuffs. According to eyewitnesses, one of the engine was on fire at the time of the accident.

The aircraft was used in psychological warfare role. It was fitted with loudspeakers for the delivery of propaganda messages. In flight, an engine failed, forcing the crew to attempt an emergency landing in an open field. The aircraft was damaged beyond repair while all four crew members were rescued.

The crew was involved in a defoliant mission when, cruising at low height, the aircraft was struck by enemy fire. The crew was able to completed an emergency landing 13 km west of Lai Khê. While the aircraft was damaged beyond repair, all three crew members were rescued 25 minutes later by the crew of a helicopter.

While cruising at low altitude in poor weather conditions, the airplane struck the slope of a hill located in the region of An Khe. A crew member was killed while two other occupants were rescued.

After touchdown at Cam Ranh Bay Airport, the airplane was unable to stop within the remaining distance and overran. It lost its undercarriage and came to rest few dozen yards further on. There were no casualties but the aircraft was written off.

The aircraft took off from Đà Nẵng in poor weather for a patrol over the Gulf of Tonkin. Using the call signe Crown Bravo, a name that was assigned to the afternoon patrol of each day, the aircraft encountered worsening weather and failed to make a routine radio report. As soon as the weather cleared enough a second Albatross left Đà Nẵng on a SAR mission. No trace of the aircraft or its crew was ever found. The last known position was about 64 km off Đồng Hới.
Crew:
Maj Ralph Harold Angstadt,
1st Lt John Henry Sotheron Long,
Maj Inzar William Rackley,
T/Sgt Robert Laverne Hill,
S/Sgt Lawrence Clark,
S/Sgt John Reginald Shoneck,
A2C Steven Harold Adams.
Source: Chris Hobson.

The crew was engaged in a night training flight out from Dyess AFB, Abilene. In flight, control was lost and the airplane crashed in unknown circumstances in an uninhabited area located in the region of Aspermont. A crew member was rescued while five others were killed.

The airplane was returning to Nha Trang following an airlift mission. In unclear circumstances, it appears the aircraft was shot down by enemy fire and crashed 25 km south of Cam Ranh Bay. All five crew members were killed.
Crew:
Cpt Jerome Joseph Smith,
1st Lt James Howard Graff,
1st Lt David Albert Thorpe,
S/Sgt Raymond Lee Wheeler,
A1C Billy Jack Clayton.

The crew was completing a night training mission out from March AFB, Riverside. While cruising in stormy weather at an altitude of 8,000 feet, the airplane struck tree tops and crashed on the slope of Mt Pallett located 8,4 miles south of Pearblossom. The aircraft impacted the north slope just below the ridge scattering wreckage on both sides of the ridge. All four crew members were killed.
Crew:
Maj Elvin Estes,
Cpt Norman Gassman,
Cpt Raymond Miller,
S/Sgt Roger DuCharime.