Boeing B-50 Superfortress accident at Eielson AFB, United States of America, 22 Dec 1948 (46-016)
On December 22, 1948, a Boeing B-50 Superfortress (registration 46-016) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Eielson AFB, United States of America in flight. 10 people were killed. Investigators recorded the probable cause as: It appeared that the congealing of oil in the small-sized tubing of the aircraft's manifold pressure regulator had caused the crash and modified regulators were subsequently installed in all B-50's. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.
Probable cause
It appeared that the congealing of oil in the small-sized tubing of the aircraft's manifold pressure regulator had caused the crash and modified regulators were subsequently installed in all B-50's.
— NTSB Determination
Accident narrative
The crew was completing a local training sortie at Eielson AFB. In flight, the crew lost control of the aircraft that crashed in a field located six miles southweat of the airbase. All 10 occupants were killed.
Probable cause (official findings): It appeared that the congealing of oil in the small-sized tubing of the aircraft's manifold pressure regulator had caused the crash and modified regulators were subsequently installed in all B-50's.