AET Maintenance Procedures and Safety 4

Question 1

Which of the following is the CORRECT way to handle a suspected counterfeit avionics part discovered in the supply chain?

Accepted Answer

Quarantine the part and report it to the FAA via a Suspected Unapproved Parts (SUP) notification

Answer

Suspected counterfeit or unapproved parts must be quarantined and reported to the FAA via the Suspected Unapproved Parts program to protect the fleet.

Question 2

A technician installs a new avionics component and finds that a required placard is missing from the instrument panel. The CORRECT action is to:

Accepted Answer

Fabricate or order the correct placard and install it before return to service

Answer

Required placards are part of the aircraft's airworthiness requirements and must be installed and legible before the aircraft is returned to service.

Question 3

When performing a continuity check on an aircraft wiring harness, the technician should FIRST:

Accepted Answer

Disconnect power and verify the circuit is de-energized before testing

Answer

Before any continuity test, the circuit must be completely de-energized to protect equipment and prevent inaccurate readings from back-EMF sources.

Question 4

What does the ESD (Electrostatic Discharge) symbol on an avionics component packaging indicate?

Accepted Answer

The component is sensitive to static electricity and requires ESD-safe handling procedures

Answer

The ESD symbol warns that static electricity can damage the component's sensitive circuits, requiring ESD-safe work surfaces, wrist straps, and handling procedures.

Question 5

An avionics technician is assigned to work near aircraft fuel tanks. Which of the following is the MOST critical safety precaution?

Accepted Answer

Bond and ground the aircraft, eliminate all ignition sources, and ensure adequate ventilation

Answer

Fuel vapor ignition prevention requires grounding to prevent static sparks, eliminating all ignition sources, and ventilation to disperse accumulated fuel vapors.

(AET) Aircraft Electronics Technician Practice Test

(AET) Aircraft Electronics Technician Practice Test

AET Maintenance Procedures and Safety 4