Call Signs For Aircraft

Question 1

A pilot may only abbreviate the call sign of their aircraft if …

Answer 1

It has first been abbreviated by the aeronautical station

Question 2

Give 3 examples of abbreviated call signs

Answer 2

1)
G (x4 letters)
Remove second and third
= G - (final 2 letters)

2)
Helicopter (x5 letters)
= Helicopter (x2 final letters)

3)
N (x5 numbers)
= N (x3 final numbers)

Question 3

If 2 aircraft same or similar call signs …

Answer 3

Operator tell them to use their full call sign and explain why