Emergency Locator Transmitter(ELT)
Definition
A device that transmits a distress signal on 121.5 MHz and 406 MHz upon impact or manual activation to aid search and rescue. Required equipment on most aircraft. 406 MHz ELTs provide GPS coordinates.
Why Emergency Locator Transmitter Matters for Pilots
Instrument knowledge is tested on every pilot certificate exam. Understanding how Emergency Locator Transmitter works helps you interpret cockpit information correctly and recognize instrument failures before they become emergencies. This knowledge is especially critical for instrument-rated pilots flying in reduced visibility.
Exam Tip
This concept is commonly tested in instruments-related questions on FAA and EASA exams. Make sure you can explain Emergency Locator Transmitter in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.
Related Terms
Share this with a fellow pilot
Related Content
Easa
Aviation glossary definition and exam tips.
Flight Instructor
Aviation glossary definition and exam tips.
Pressurization
Aviation glossary definition and exam tips.
ATPL Theory Complete Guide
Master every subject covered in airline pilot exams.
Free Practice Exam
Test your aviation knowledge with real exam questions.
Built by a commercial pilot
Pass your written for $39 — every track, 60 days
Emergency Locator Transmitter is one of 5,500+ exam topics in the All-5 Bundle: PPL / IR / CPL / ATPL / Part 107 / TAE. One-time payment, no subscription. Free 30-day extension if you fail your real exam.
Test your knowledge
Think you understand Emergency Locator Transmitter? Challenge yourself with practice questions covering instruments and all other exam subjects.
Try Free Practice QuestionsMore Instruments Terms
Attitude Indicator(AI)
A gyroscopic flight instrument displaying the aircraft pitch and bank attitude r...
Heading Indicator(HI)
A gyroscopic instrument showing aircraft magnetic heading without the oscillatio...
Altimeter
A barometric instrument measuring altitude by sensing atmospheric pressure chang...
Airspeed Indicator(ASI)
An instrument measuring indicated airspeed by comparing pitot (dynamic plus stat...
Would you pass the real exam right now?
Take a free practice quiz — real FAA-style questions, instant score. No signup to start.
Take the free quiz →