What is a serious hazard to aircraft?
A)molecular viscosity
B)laminar flow
C)clear-air turbulence
D)longwaves in the westerlies
E)thermal lows

Question

What is a serious hazard to aircraft?
A)molecular viscosity
B)laminar flow
C)​clear-air turbulence
D)​longwaves in the westerlies
E)​thermal lows

Quizplus · Accepted Answer

Clear-air turbulence can occur unexpectedly without any visual cues and can pose a serious hazard to aircraft, causing injury to passengers and damage to the aircraft. Other options listed are not typically considered hazards to aircraft.

What Is a Serious Hazard to Aircraft