AET (Aircraft Electronics Technician) Test Prep Guide
Prepare for the NCATT Aircraft Electronics Technician (AET) certification exam with practice tests covering avionics systems, aircraft electrical systems,.
The AET certification is widely recognized by major aerospace employers and is often a prerequisite for advanced endorsements in radio communication, autonomous navigation systems, and onboard safety equipment. Passing the AET exam validates your technical knowledge against ASTM F35 standards. Try our A&P mechanic practice test.
Candidates looking to maximize their preparation can also use our California CHSPE practice test 2026, which covers the key content areas and question formats used in the official exam.
AET Practice Test Questions
Prepare for the AET - Aircraft Electronics Technician exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
AET Aircraft Power Systems
AET Exam Questions covering AET Aircraft Power Systems. Master AET Test concepts for certification prep.
AET Regulatory Compliance and Certification
Free AET Practice Test featuring AET Regulatory Compliance and Certification. Improve your AET Exam score with mock test prep.
AET Avionics Systems
AET Mock Exam on Avionics Systems. AET Study Guide questions to pass on your first try.
AET Communication Systems
AET Test Prep for Communication Systems. Practice AET Quiz questions and boost your score.
AET Diagnostic and Testing Tools
AET Questions and Answers on Diagnostic and Testing Tools. Free AET practice for exam readiness.
AET Documentation and Reporting
AET Mock Test covering Documentation and Reporting. Online AET Test practice with instant feedback.
AET Electrical Troubleshooting
Free AET Quiz on Electrical Troubleshooting. AET Exam prep questions with detailed explanations.
AET Maintenance Procedures and Safety
AET Practice Questions for Maintenance Procedures and Safety. Build confidence for your AET certification exam.
AET Exam Flashcards
Click to flip and test your knowledge of aviation electronics.
⚡What does Ohm's Law state regarding voltage, current, and resistance?
Ohm's Law states that Voltage (V) equals Current (I) multiplied by Resistance (R), expressed as V = I x R.
START AET PRACTICE TEST🔌What is the primary function of a diode in a circuit?
A diode allows current to flow easily in one direction while blocking it in the opposite direction, often used for rectification.
REVIEW AET QUESTIONS⚠️What color tag identifies a 'condemned' or unserviceable aircraft part?
A red tag typically identifies a part that is condemned or unserviceable and must not be installed on an aircraft.
TRY AET MOCK EXAM📡Which logic gate outputs TRUE only when all inputs are TRUE?
The AND gate outputs a high (TRUE) signal only when all of its input signals are high (TRUE).
GET AET EXAM PREP📏What instrument is used to measure electrical resistance?
An ohmmeter (or multimeter set to resistance mode) is used to measure electrical resistance in ohms.
ACCESS AET STUDY GUIDE✈️What does ESD stand for in electronics handling?
ESD stands for Electrostatic Discharge, which can damage sensitive electronic components during handling.
PRACTICE AET TEST NOWAET Certification Study Guide
This AET study guide breaks down the essential information you need to know about the exam. From registration to results, explore the tabs below to familiarize yourself with the NCATT AET certification process.
AET Exam Structure and Content
The AET exam is divided into several knowledge areas established by ASTM Committee F35. Understanding these domains is crucial for passing the NCATT AET test. Below is a breakdown of the key topics covered.
Foundational electrical concepts essential for any aviation electronics technician.
- Topics: Voltage, Current, Resistance, Power
- Questions: ~20-25% of exam
Safety protocols are a major component of the AET certification exam.
- Topics: PPE, Fire Classes, Grounding
- Questions: ~15-20% of exam
Advanced component knowledge required for AET test success.
- Topics: Solid-state devices, Rectification
- Questions: ~20% of exam
Understanding digital systems is key for modern AET certification.
- Topics: AND, OR, NOT, Hexadecimal
- Questions: ~15% of exam
Practical skills tested on the NCATT AET exam.
- Topics: Standard repairs, Connector assembly
- Questions: ~15% of exam
Knowledge of FAA and industry rules for the AET exam.
- Topics: Record keeping, Airworthiness
- Questions: ~10% of exam
Focus heavily on basic electrical theory and safety. Many AET exam questions are derived from fundamental Ohm's Law calculations and standard workplace safety practices found in ASTM standards.
AET Exam Score Calculator
Total Scored Questions
150
105 out of 150 correct
70%
Required to Pass: ~70% (Estimated)
AET Salary and Career Outlook
$72,500
Median Annual Salary
How to Become an AET
The journey to becoming a certified Aircraft Electronics Technician involves training, study, and testing. Here is the typical timeline to obtain your AET certification.
Test
+Certified
AET Certification Costs
Understanding the investment for your AET certification is important for planning. Below are the estimated costs associated with becoming an aviation electronics technician.
While the training and AET exam fees require upfront capital, the potential to earn over $70,000 annually as a certified aircraft electronics technician makes it a sound career investment.
AET Career Opportunities
The AET certification prepares you for diverse roles in the aviation industry. Explore these common career paths for certified technicians.
Avionics
Bench TechSpecializes in component-level repair of avionics equipment like radios and navigation units in a shop setting. Requires precision soldering and diagnostic skills.
Line
Maintenance TechPerforms on-aircraft troubleshooting and LRU replacement at airport gates to keep commercial flights on schedule. Fast-paced
AET Testing Contacts
For official information regarding the AET exam, registration, and standards, contact these organizations.
ASTM
International Certifying Body
AET Test Day Checklist
Ready to Pass Your AET Exam?
Join thousands of technicians who have used our AET practice test resources to certify. Start your free exam prep today.
AET Certification Renewal
Renewal Cycle
Lifetime
Renewal Fee
$0
After earning your core AET certification, you can pursue add-on endorsements in Radio Communication Systems, Dependent Navigation Systems, and more to demonstrate advanced competency.
AET Questions and Answers
About the Author
Licensed Contractor & Trades Certification Expert
Purdue UniversityMichael Torres earned his Bachelor of Science in Civil Engineering from Purdue University and holds master plumber and general contractor licenses in multiple states. With 18 years of field experience and 8 years teaching apprenticeship programs, he is a trusted resource for tradespeople preparing for journeyman and master-level licensing exams.