AIRCRAFT WEAPONS SYSTEMS
Aviation ordnancemen use test equipment in all
phases of electrical testing of weapons systems. The
testing procedures you use are required at specific
maintenance levels, such as depot, intermediate, or
organizational. Test equipment varies in complexity,
from a small pocket tester to a very large and
complex unit. No matter the size or complexity, the
purpose of the test equipment is to make sure that the
weapon and the launching platform (aircraft) function
LEARNING OBJECTIVE: Identify the test
equipment used with aircraft weapons systems.
Recognize the purpose and use of each.
All the test equipment you will use isnt described
in this chapter.
Also, the step-by-step procedures
required to operate the test equipment arent
listed. To do your job, you need to be able to
identify the equipment, know what it is used for,
and how it is used. The specific step-by-step
procedures that you should follow when you
use test equipment can be found in applicable
The AN/PSM-4 and 77/AN multimeters (figs. 16-1
and 16-2) are used to measure resistance (ohms) and
voltage (ac or dc) in an electrical circuit. You use them
to test aircraft circuits when no special test equipment
is available, or when reasonably accurate measurements
Figure 16-1.AN/PSM-4 multimeter.
Figure 16-2.77/AN multimeter..