RANDOM QUESTIONS

Question 1

If you activated all anti-ice systems and ice was still present in significant quantities on the airframe, what would you do?

Answer 1

Descend to a warmer air mass
Divert to a warmer air mass
Avoid visible moisture to avoid further ice build up

Question 2

What’s the problems associated with volcanic ash?

Answer 2

• serious engine damage
• loss of visibility due to windscreen abrasion - loss of communications due to static discharge (P-S
  tatic)
• air conditioning may be infected due to ingestion of volcanic dust - pitot and static ports get blocked

Question 3

What would you do if flying into volcanic ash?

Answer 3

• in-flight ignition on
• disengaged the auto throttles
• turn on wing and engine anti ice to increase bleed extraction
• Air conditioning packs on high flow
• reduce power on engines to as low as possible ensure terrain clearance, it maybe necessary to shut down and restart engines to avoid excessive temp and damage.

Question 4

Between what levels do Lightning mostly occur?

Answer 4

Between 5’000 - 15’000 ft.
Risk decreases over 20’000 ft. Long Haul flights are less affected cause they stay higher up for longer time

Between temps +5 to -5 deg C