A HEMS team is preparing for a night-time mission. The pilot completes the pre-flight checks and confirms the weather is within operational limits. Wh...

Question

A HEMS team is preparing for a night-time mission. The pilot completes the pre-flight checks and confirms the weather is within operational limits. What specific weather condition is the greatest threat to helicopter operations and can cause rapid loss of control?

Accepted Answer

Degraded visual environment (DVE) from fog, low cloud, or whiteout conditions - loss of visual references can cause spatial disorientation and controlled flight into terrain (CFIT)

Answer

Strong headwinds only

Answer

High ambient temperature - which prevents helicopter flight

Answer

Snow on the landing zone

Answer

Heavy rain - which makes flying impossible

uk-dipimc MCQ (SBA): DVE - Helicopter Safety

A HEMS team is preparing for a night-time mission. The pilot completes the pre-flight checks and confirms the weather is within operational limits. What specific weather condition is the greatest threat to helicopter operations and can cause rapid loss of control?