The identification of hazards tape shows the hazard
Identification tapes are applied to all lines less than
associated with the contents of the line. Tapes used to
4 inches in diameter except cold lines, hot lines, lines in
show hazards are approximately 1/2 inch wide, with the
oily environment, and lines in engine compartments
abbreviation of the hazard contained in the line printed
where there is a possibility of the tape being drawn into
across the tape. There are four general classes of
the engine intake. In these cases, and all others where
hazards found in connection with fluid lines.
tapes should not be used, painted identification is
applied to the lines.
· Flammable material (FLAM). The hazard
Identification tape codes indicate the function,
marking FLAM is used to identify all materials known
contents, hazards, direction of flow, and pressure in the
fluid line. These tapes are applied in accordance with
· Toxic and poisonous materials (TOXIC). A line
MIL-STD-1247C. This military standard was issued to
identified by the word TOXIC contains materials that
standardize fluid line identification throughout the
are extremely hazardous to life or health.
Department of Defense. Figure 10-41 shows the
· Anesthetics and harmful materials (AAHM). All
method of applying these tapes as specified by this
materials productive of anesthetic vapors and all liquid
chemicals and compounds hazardous to life and
The function of a line is identified by use of a tape,
property, but not normally productive of dangerous
approximately 1 inch wide, upon which word(s),
quantities of fumes or vapors, are in this category.
color(s), and geometric symbols are printed. Func-
tional identification markings, as provided in
· Physically dangerous materials (PHDAN). A
MIL-STD-1247C, are the subject of international
line that carries material that is not dangerous within
standardization agreements. Three-fourths of the total
itself, but that is asphyxiating in confined areas or is
width on the left side of the tape has a code color or
generally handled in a dangerous physical state of
colors that indicate one function only per color or
pressure or temperature, is identified by the marking
colors. The function of the line is printed in English
across the colored portion of the tape. Even a
non-English-speaking person can troubleshoot or
maintain the aircraft if he/she knows the code but
cannot read English. The right-hand one-fourth of the
functional identification tape contains a geometric
design rather than the color(s) or word(s). Figure 10-42
is a listing, in tabular form, of functions and their
associated identification media as used on the tapes.
Figure 10-43 shows the different tapes used in
Figure 10-42.--Functional identification type data.
Figure 10-41.--Fluid line identification application.