MIL-DTL-87268D
3.2.2.2 Text of warnings and cautions. The textual information contained in warnings and cautions shall be
presented in a simple, straightforward, and non-exaggerated manner. The content shall contain all necessary
information needed to reduce or alleviate the hazard without reference to additional information. Warnings
and cautions shall not contain procedural steps other than those dealing with hazard avoidance or correction.
The text of warnings and cautions shall contain the following information in the order indicated:
a. The speciic nature of the hazard.
b. The steps to be taken to avoid or minimize the hazard.
c. The location of the source of the hazard.
d. The consequences of failing to heed the warning or caution, unless obvious.
3.2.2.3 Text of notes. Notes shall be written in accordance with the style requirements deined in this
speciication. Notes shall be used to supply needed information that is not a step in the procedure.
Information presented in notes shall be limited to necessary speciics. Required tolerances and clearances
shall not be given as notes, but shall be included in the procedural steps.
3.2.2.4 Placement of warnings, cautions, and notes. Warnings, Cautions, and Notes (WCN) shall be logically
positioned at the points where they apply in accordance with the following rules:
a. Warnings and cautions shall be directly associated with and precede in logical sequence the
text or procedural step to which they apply.
b. Notes shall either directly precede or directly follow the applicable text or step depending on
the point to be emphasized. However, in the case of a procedural step, a note shall not
follow the procedural step to which it applies.
3.2.3 Danger from multiple sources. When it is possible for one type of danger to come from any of
several sources or one type of danger to require more than one remedial action, the danger may be
referred to once in a single combined warning.
3.2.4 Health hazard precaution data. When hazardous chemicals or other adverse health factors are present
in the environment or will appear during the performance of the procedure, and these health hazards cannot
be eliminated, appropriate warning and caution information shall be included in the technical information.
Necessary protective devices for personnel shall be listed in the initial setup (input conditions) of the
procedure and referred to in the appropriate subtask steps or warning/caution message.
3.2.5 Hazardous material icons. Aerospace Industries Association Pubs119 Publication shall be used to
construct warnings, cautions, and applicable icons relating to hazardous substances.
3.3 General style requirements. IETMs shall be prepared in accordance with the general style requirements
contained in this paragraph. These requirements shall apply both for the language to be used in textual
technical information and for the graphics supplementing the textual portions.
3.3.1 Level of detail. Technical information shall contain all of the information necessary for a user to
perform the task involved or to comprehend a description. The criteria required to deine the speciic
level of detail shall be applied as speciied by the acquiring activity (see 6.2c). The IETM shall not
contain unnecessary detail above or below this level. However, in all cases the IETM shall retain enough
information to permit the user to perform the documented maintenance without error or loss of time due to
insuficient information. Unless otherwise speciied by the acquiring activity (see 6.2d), procedures within
steps shall be implemented as follows. The user shall be given the option to access or bypass a general
purpose procedure referenced by a step, e.g., Open access panel, before continuing the task. When a
procedure is unique to a task, or involves use of a peculiar piece of equipment, it shall be included
in the procedural data and not made optional.
3.3.2 (A,F) Multiple skill level tracks. If speciied by the acquiring activity (see 6.2e), technical information
shall be available in each of two separate and complete skill tracks, each representing a differing level of
detail: one level for a novice skill level and another for an expert skill level. The novice level shall contain
all information necessary for an inexperienced user to perform the task involved or to comprehend a
description. The expert level shall function as a checklist, presenting only the steps required to complete a
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