Chapter 7, ELT

Question 1

ELT transmissions use

Answer 1

Low-power RF at VHF or UHF

Question 2

A Type-P ELT derives its power from

Answer 2

Internal batteries

Question 3

Transmission from an ELT is usually initially
detected by

Answer 3

A satellite

Question 4

The operational state of an ELT is tested
using

Answer 4

A test switch and indicator lamp

Question 5

A Type-W ELT needs checking. What is the
first stage in the procedure?

Answer 5

Read the label on the ELT in order to determine the unit’s expiry date.

Question 6

If bubbles appear when an ELT is immersed
in a tank of water, which one of the following
statements is correct?

Answer 6

The unit should be returned to the
manufacturer

Question 7

The air testing of an ELT can be carried out

Answer 7

Only at set times using recommended procedures

Question 8

On which frequencies do ELTs operate?

Answer 8

121.5 MHz and 406.025 MHz

Question 9

A Type-W ELT is activated by

Answer 9

Immersion in water

Question 10

The location accuracy of a satellite-based beacon locator system is

Answer 10

Better on 406 MHz than on 121.5 MHz

Question 11

An ELT fitted with a lithium battery is

Answer 11

Unsafe for packing in a life raft

Question 12

A Type-W or Type-S ELT will work better when the antenna is

Answer 12

Held upright

Question 13

The satellites used by the Cospas–Sarsat orbit in

Answer 13

In low earth orbit