TM 1-8415-216-12&P 
 
5-14     Change 3 
 
 
 
5-13.  Mike Lite (lip light). 
  
Lip  lights  green  and  white  LEDs  have  a  bright  narrow  beam  to  help  keep  stray  light  from  interfering  with 
another pilots vision (side scatter).  ML-8, (NSN 6240-01-362-4902) uses three green LEDs.  ML-14, (NSN 
6230-01-452-5803), uses two green LEDs and one Xenon lamp for brightness and has a toggle switch.  ML-
18, (P/N ML-18) uses three white LEDs.  Lip lights preserves dark adaptation, uses two AA batteries, and is 
installed on the boom microphone, or equivalent microphone.  Lip lights have a PUSH ON-PUSH OFF switch 
that can be actuated by the lip or tongue.  A slight push on the switch causes monetary light, while a further 
push keeps the light on until another push by the lip or tongue turns the light off.   
 
NOTE 
 
MK-1,  Mount  Kit  (NSN  6240-01-362-4902)  mounts  the  lip  light  to  the  aviators  microphone.  
MK-1, Mount Kit is issued with an assortment of clips to attach the ML-8, ML-14 or ML-18, 
lip light to boom microphone bracket.  To install the lip light on the HGU-56/P helmet boom 
microphone bracket, follow the procedures below.  (Reference  Figure 5-6). 
 
 
 
Figure 5-6.  Mike Lite (lip light) 
 
a.   Mike  Lite (lip light) Installation. 
 
1.  Remove current microphone thumbscrew securing boom microphone. 
 
2.  Position lip light so it is positioned along the bottom edge of the microphone with the on-off 
button facing the user 
 
3.  Install new thumbscrew (issued with MK-1, Mount Kit) through hole in  
lip light bracket. 
 
4.  Route strap tie down over top of microphone and through the hole on top of the lip light.  
Tighten strap tie down and cut excess end (torque not required). 
 
5.  Route lip light power supply wire through the boom structure so a minimum of slack exists.  
Additional  electrical  ties  may  be  used  to  secure  the  power  supply  wire  or  the  light 
assembly to operate the light.