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How Loud Is Helicopter?

100 dB
Helicopter  ·  Dangerous

A helicopter hovering or passing low overhead.

Hearing risk: Hearing damage can occur within minutes — protection strongly advised.
Safe exposure: 15 minutes per day (NIOSH).

⏱️ Safe Listening Time

How Helicopter compares

Helicopter100 dB
Leaf Blower100 dB
Impact Wrench100 dB
Hammer Drill100 dB
Snow Blower100 dB
Snowmobile100 dB
Diesel Locomotive100 dB

FAQ

How many decibels is helicopter?

Helicopter is about 100 dB — a dangerous level. Hearing damage can occur within minutes — protection strongly advised.

Is helicopter dangerous to your hearing?

At about 100 dB, safe exposure is roughly 15 minutes per day before hearing damage risk rises. Limit time or wear protection.

How long can I safely be exposed to 100 dB?

About 15 minutes per day, based on NIOSH guidance (85 dB limit, 3 dB exchange rate).

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Decibel values are typical dBA approximations and vary with distance, model and environment. Informational only — not medical advice.