TM 9-1220-238-14
CHAPTER 1
INTRODUCTION
Section I. GENERAL
to be used by maintenance personnel at all maintenance
1-1. Scope.
levels are listed in and prescribed by TM 38750, the
Army Maintenance Management System (TAMMS).
a. This manual contains instructions for the
information and guidance of personnel responsible for
1-3. Reporting of Errors.
the operator/crew, organizational, direct support and
general support maintenance of board plotting M18. The
information contained in this manual is within the scope
Report of errors, omissions, and recommendations
of supplies and maintenance equipment normally
for improving this publication by the individual user is
available to using organizations.
encouraged. Reports should be submitted on DA Form
b. The prescribed maintenance responsibilities at
2028. Recommended changes to Publications, and
operator/crew, organizational, direct support and general
forwarded direct to Commander, Frankford Arsenal,
support maintenance levels are reflected in this manual
ATTN:
SARFA-MA, Philadelphia, PA 19137.
1-2. Forms and Records.
Maintenance forms, records, and reports which are
Section II. DESCRIPTION AND DATA
ting technique. Three legs provide suitable footing for
1-4. Description.
the support of the board on rough or uneven ground.
a. Board plotting M18 (fig 1-1) is used for
computing firing orders (Weapon elevation and azimuth
settings) for a battery of artillery by the flash spot
1-1
