TM 55-1520-228-10
Change 11 1-1
CHAPTER 1
INTRODUCTION
1-1. GENERAL.
These instructions are for use by the operator. They
apply to all Army OH-58A/C helicopters.
1-2. WARNINGS, CAUTIONS, AND NOTES
DEFINED.
Warnings, cautions, and notes are used to emphasize
important and critical instructions and are used for the
following conditions.
WARNING
Highlights an essential operating or
maintenance procedure, practice,
condition, statement, etc. which if
not strictly observed, could result in
injury to, or death of, personnel or
long term health hazards.
CAUTION
Highlights an essential operating or
maintenance procedure, practice,
condition, statement, etc. which if
not strictly observed, could result in
damage to, or destruction of
equipment or loss of mission
effectiveness.
NOTE
Highlights an essential operating or
maintenance procedure, condition,
or statement.
1-3. DESCRIPTION – MANUAL.
This manual contains the complete operating instruc-
tions and procedures for the Army OH-58A/C helicopter.
The primary mission of this helicopter is that of observa-
tion and is designed for landing and take off from pre-
pared and unprepared surfaces. The observance of
procedures is mandatory except when modification is
required because of multiple emergencies, adverse
weather, terrain, etc. Your flying experience is recog-
nized, and therefore, basic flight principles are not in-
cluded. It is required that THIS MANUAL BE CARRIED
IN THE HELICOPTER AT ALL TIMES.
1-4. APPENDIX A, REFERENCES.
Appendix A is a listing of official publications cited within
the manual applicable to and available for flight crews.
1-5. INDEX.
The index lists, in alphabetical order, every titled para-
graph, figure (F), and table (T) contained in this manual.
Chapter 7 performance data has an additional index
within that chapter.
1-6. ABBREVIATIONS.
Designator symbols and abbreviations shall be used in
conjunction with text contents, headings, and titles to
show effectivity of the material. Chapter 7 contains a list
of abbreviations used in this publication.
1-7. ARMY AVIATION SAFETY PRO-
GRAM.
Reports necessary to comply with the safety program
are prescribed in AR 385-40.
1-8. DESTRUCTION OF ARMY MATERIAL
TO PREVENT ENEMY USE.
For information concerning destruction of Army materiel
to prevent enemy use, refer to TM 750-244-1-5.
1-9. FORMS AND RECORDS.
Army aviators flight record and helicopter maintenance
records which are to be used by crewmembers are pre-
scribed in DA PAM 738-751 and TM 55-1500-342-23.
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