A "dumb gravity bomb" is a term commonly used to refer to a conventional gravity bomb that lacks advanced guidance systems or precision targeting capabilities. These bombs rely solely on gravity and the laws of physics to guide them toward their intended target. They are often dropped from aircraft and rely on the aircraft's altitude, speed, and release point to determine their trajectory.
Dumb gravity bombs are considered less accurate compared to guided bombs, such as laser-guided bombs or GPS-guided bombs. Without advanced guidance systems, they have a larger circular error probability (CEP), which means they are less likely to hit their target precisely.
While the term "dumb gravity bomb" may imply a lack of sophistication or precision, it's important to note that such bombs can still be highly effective in certain military scenarios, particularly against large and relatively immobile targets. Their simplicity and lower cost make them suitable for situations where extreme precision is not required or where the target is too large to miss.