This decision proved to be a disaster, and several Typhoons were lost to mysterious causes.

Four other La-7s were lost to non-combat causes, mostly related to engine problems.

Wolf advocates point out that far more livestock is lost to other causes.

During 1950, the 121st had lost four Thunderjets in accidents, and two more to undetermined other causes.

The Russian forces lost four Su-25s to various causes during the war.

Several satellites over the years have been lost to unknown causes and may well be the first victims of space junk.

In exchange, 158 aircraft were shot down or lost to other causes; 26 for every enemy vessel.

Nine were lost to other causes, remarkably few for such a revolutionary and technically advanced aircraft.

Girbig notes a further 48 were lost to unknown causes making a total of around 200 fighters.

It lost 1,466 aircraft to hostile action or other causes.