Exam Review: ELTs

Question 1

What is an ELT and how is it activated?

Answer 1

Transmitter activated by G forces/water

Question 2

How are ELT signals received?

Answer 2

Satelittes (COSPAS/SARSAT)

Question 3

Old ELTs transmitted at what frequency and what did it do?

Answer 3

121.5 MHz and could only be used for HOMING

Question 4

What do NEWER ELTs transmit?

Answer 4

406MHz but also possible is 121.5MHz

Question 5

What are the advantages of the 406MHz ELT?

Answer 5

Better coverage
Accurate locations
Identification of FALSE alerts
GPS coordinates

Question 6

This ELT transmits a DIGITAL signal every 50s at 5 watts for at least 24hrs

Answer 6

406MHz ELT

Question 7

Why is the aircraft info/registration embedded in the signal?

Answer 7

In case of FALSE emergency

Question 8

Where are ELTs located and how are they aligned on AIRCRAFTS?

Answer 8

Aft of fuselage

Aligned with LONGITUDINAL axis

Question 9

Why can ELTs be easily removed from the aircraft?

Answer 9

Built in antenna so you can take the ELT with you in case of crash

Question 10

True or False,

Should ELTs be inspected ANNUALLY?

Answer 10

True

Question 11

When do we test ELTs?

Answer 11

First 5 minutes of the hour, listen for at least 1-3 sweeps