Masks Chemical-Biological: Aircraft

Department of the Army. Operator s and Organizational Manual Mask, Chemical-Biological Aircraft M43. Washington, DC HQ, DA June 1988. Training Manual 34240 312-12 P. 

The facepiece of the M43 Chemical-Biological Aircraft Mask is fabricated of bromo butyl and natural rubber with an integral butyl hood and skull-type suspension system (Figure 16-10). The M43 has two models, designated Type I and Type II. The two models are identical with the following exceptions Type I has a notch in the right eyepiece that accommodates a special sighting device used by Apache helicopter pilots, and uses a different microphone for communication Type II has two spherical lenses and uses a dynamic microphone. Both microphones interface with the helicopter communications systems. 

Fig. 16-10. The M43 Chemical-Biological Aircraft Mask. Photograph Courtesy of Visual Information Division, US Army Chemical and Biological Defense Command, Aberdeen Proving Ground, Md.

Mask, Chemical-Biological Protective Aircraft, M43. US Army Chemical Research, Development and Engineering Center Purchase Description EA-M-1352A. Edgewood Area, Aberdeen Proving Ground, Md January 1988. 

Defense applications for ACC include NBC (Nuclear, Biological, Chemical) face masks, respirators, filters in closed air conditioning systems such as tanks, submarines and aircraft, protective clothing and combat gear. 

---