MIL-STD-875A, and it lists the codes used to create the
The new designations will be the same throughout the
military services. However, present equipment with old
designations will remain unchanged; they will not be
redesignated unless they undergo an alteration or
modification. This will make things easier for
administrative purposes. An example of how a tow
tractor's designator is derived can be seen in table 1-2.
Figure 1-3.--NC-8A/A-1 mobile electric power plant.
Table 1-2.--Equipment Type Designator For The A/S32A-31A
purpose is to provide ac and dc electrical power for
servicing, starting, and maintenance of aircraft. Some
are diesel engine powered, and some are electrically
(externally) powered. Some of these are driven and
some of them must be towed.
Personnel in the AS rating are required to become
Aircraft or Missile Support
familiar with and maintain, mobile electric power
The 31st piece of equipment in the 32A
category to which a type designation has
NC-8A/A-1 Mobile Electric Power Plant
The first modification to the "-31" tractor
The NC-8A/A-1 (fig. 1-3) is a four-wheel,
self-propelled, rear-wheel-drive vehicle, powered by a
4-cylinder, two-stroke-cycle Detroit Diesel engine. It
What does the 27 represent in A/M27T-5?
provides 115/200-volt, 3-phase, 400-Hz, 60-kVA ac
power, and 28-volt dc power at 500 amperes
continuous, 750 amperes intermittently. This unit is
used primarily at shore stations.
NC-10C Mobile Electric Power Plant
COMMONLY USED SUPPORT
The NC-10C (fig. 1-4) is a four-wheel,
trailer-mounted, electrical generating system, powered
LEARNING OBJECTIVE: Identify the
by a 6-cylinder, two-stroke-cycle Detroit Diesel engine.
operating characteristics of various types of
commonly used support equipment.
As an Aviation Support Equipment Technician,
you will find many different types of support
equipment that you will have to maintain. This
equipment falls into four basic categories: electrical,
hydraulic, mechanical, and pneumatic. In the following
paragraphs, you will get only a basic description of
only a few items of the most commonly used support
MOBILE ELECTRIC POWER PLANTS (MEPP)
There are many types and models of mobile electric
power plants (MEPP) in use in naval aviation. Their
Figure 1-4.--NC-10C mobile electric power plant.