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What happens if a helicopter gets struck by lightning?

Published in Helicopter Lightning Safety 2 mins read

A helicopter struck by lightning will likely experience damage, especially to its rotor blades, but the immediate safety impact has generally been limited.

Effects of Lightning Strikes on Helicopters

While lightning strikes on airplanes are relatively well-documented, the effects on helicopters can be quite specific. Here's a breakdown based on available information:

  • Primary Strike Location: Lightning almost always strikes either the main or tail rotor blades of the helicopter.
  • Damage Assessment: The damage to the rotor blades can be significant. According to provided resources, affected rotor blades are often deemed beyond repair after a lightning strike, leading to expensive replacements.
  • Immediate Safety Impact: Despite the potential for severe damage, the immediate effect on the safety of the helicopter and its occupants has so far appeared to be limited. This suggests that helicopters are designed with some level of protection against lightning strikes, or that pilots are trained to handle such events.

Summary

Aspect Description
Strike Location Typically main or tail rotor blades.
Damage Extent Often high, with rotor blades frequently requiring replacement.
Immediate Safety Limited immediate impact reported, suggesting design and training mitigate risks.
Repair Costs Generally expensive due to the necessity of replacing damaged rotor blades.

It's important to remember that while the immediate safety impact may be limited, the long-term consequences can be costly. Regular inspections and maintenance are crucial after any suspected lightning strike.

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