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.
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.