Law 4 (Lighting and signals)

Question 1

What are the 3 phases of emergency?

Answer 1

• Uncertainty
• Alert
• Distress

Question 2

Define the uncertainty phase

Answer 2

A situation wherein uncertainty exists as to the safety of an aircraft and its occupants.

Question 3

Define the alert phase

Answer 3

A situation wherein apprehension exists as to the safety of an aircraft and its occupants.

Question 4

Define the distress phase

Answer 4

A situation wherein there is a reasonable certainty that an aircraft and its occupants are threatened by grave and imminent danger or require immediate assistance.

Question 5

What lights will an a/c taxiing or being towed show during the day?

Answer 5

Anti-collision lights.

Question 6

What lights should and an a/c always display during flight during the day?

Answer 6

Anti-collision lights.

Question 7

What lights should and an a/c always display during flight during the night?

Answer 7

Anti-collision lights and navigation lights. No other lights will be shown which could be confused for these.