FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 12. Aircraft Avionics Systems | 1. Avionics Equipment Maintenance | 12-2. Handling of Components
9/8/98
CHAPTER 12. AIRCRAFT AVIONICS SYSTEMS AC 43.13-1B
SECTION 1. AVIONICS EQUIPMENT MAINTENANCE
12-1. GENERAL. There are several meth-
ods of ground checking avionics systems.
a. Visual Check. Check for physical
condition and safety of equipment and com-
ponents.
b. Operation Check. This check is per-
formed primary by the pilot, but may also be
performed by the mechanics after annual and
100-hour inspections. The aircraft flight
manual, the Airman’s Information Manual
(AIM), and the manufacturer’s information
are used as a reference when performing the
check.
c. Functional Test. This is performed by
qualified mechanics and repair stations to
check the calibration and accuracy of the avi-
onics with the use of test equipment while
they are still on the aircraft, such as the trans-
ponder and the static checks. The equipment
manufacturer’s manuals and procedures are
used as a reference.
d. Bench Test. When using this method
the unit or instrument is removed from the
aircraft and inspected, repaired, and calibrated
as required.
e. Electromagnetic Interference (EMI).
For EMI tests, refer to chapter 11 para-
graph 11-107 of this AC.
12-2. HANDLING OF COMPONENTS.
Any unit containing electronic components
such as transistors, diodes, integrated circuits,
proms, roms, and memory devices should be
protected from excessive shocks. Excessive
shock can cause internal failures in an of these
components. Most electronic devices are
subject to damage by electrostatic discharges
(ESD).
CAUTION: To prevent damage due
to excessive electrostatic discharge,
proper gloves, finger cots, or
grounding bracelets should be used.
Observe the standard procedures for
handling equipment containing elec-
trostatic sensitive devices or assem-
blies in accordance with the recom-
mendations and procedures set forth
in the maintenance instructions set
forth by the equipment manufactur-
ers.
12-3.12-7. [RESERVED.]
Par 12-1
Page 12-1 (and 12-2)