TM 55-1500-345-23
to height ratio of 1 to 8 to optimize readability under
b. Apply paint, after application of primer,
where required. Allowing the appropriate drying
very low illumination levels.
period, apply first coat in continuous overlapping
strokes. See Chapter 4 for additional instructions.
c. Allow first coat to set at least ten minutes
c. Wire Bundles. For tactical aircraft, cover all
before application of second coat in continuous
exposed electric wire bundles with MIL-I-15126,
overlapping strokes to achieve the required dry film
black tape to reduce reflections from light colored
thickness of 1.8 - 3 mils.
wires.
NOTE
d. Remove the following from helicopter cock-
Continuous or frequent agitation of the
pit areas:
mixture must be maintained to assure
suspension of solid matter and unifor-
(1)
Radio Magnetic Indicator Placard on
mity of topcoating.
CH-47
d. The cured topcoating shall show no running,
sagging, streaking or other surface inconsistencies.
(2) DC Electric Instrument Placard Label
on turn and Slip Indicators.
e. Interior stencils and markings may be
applied any time subsequent to ten minutes after
(3) Instrument Panel Checklist.
application of final topcoat.
f. No heating or drying apparatus is required
(4) Radio Call Designator/Aircraft Identi-
since this paint is catalytic and will cure under most
fication Placard. Replace with new placard contain-
ambient conditions. Full use cure will occur in 18-24
ing the words RADIO CALL in letters 3/16 inch high,
hours.
and aircraft identification numerals 5/16 inch high.
Use lusterless Aircraft White #37875 letters and
numbers on an aircraft black placard.
(5) Map Case Marking and Junction Box
on UH-1. Remove all markings except HI VOLT-
AGE on map case or junction box, if map case is
removed.
(6) Compass Correction Card, RMI and
Magnetic. Place information in the front of the air-
6-28. DECALS, PLACARDS, MARKINGS,
craft log book where it can be referred to easily.
LABELING IN COCKPIT AREA (WHEN USED).
NOTE
a. General. Present decals, placards, mark-
ings and labeling in the cockpit area of some heli-
copters may cause reflections which interfere with
It is permissible to locally manufacture
night flight. The following actions are necessary to
a metal insert painted lusterless black
subdue the markings and take full advantage of the
for installation in the front of the com-
low reflective black paint in the cockpit area.
pass card holder during night flight.
b. Type Size. It is preferable to use a lettering
font in accordance with MIL-HDBK-759 and a width
6-17
