Description
Practice bomb signal Mk 5 Mod 0 is approximately the size of a 10-gauge shotgun shell. A shoulder, which increases the diameter of one end, serves to locate the signal in the bomb. The signal consists of a plastic cylinder containing 10 grams of fluorescein dye, a highly-soluble salt, brick red in color, which turns bright green when dissolved in water.
The signal, for use in dive-bombing practice, can be used in any miniature practice bomb in which signal Mk 4 can be used. It is dropped only on water targets during daylight. When a wind is blowing, the smoke from the Mk 4 signal often blows away before the pilot can get into position to view the results of his attack. The slick from the Mk 5 signal can be seen from an altitude of 15,000 feet.
Functioning
The bombs are dropped in a normal manner. Upon impact, water enters the nose of the bomb, breaks the weak ends of the plastic container, and forces the dye out the tail end of the bomb.
Hazardous Components
No information about hazardous components.
See Also
Nothing else to see.
Source(s)
TM 9-1325-200, Bombs and Bomb Components (1966)
OP 2216, Volume 1 - Aircraft Bombs, Fuzes, and Associated Components (1960)
OP 1664, Volume 1 - US Explosive Ordnance (1947)
