How Quiet Are eVTOLs?

Decibel comparison of eVTOL aircraft, helicopters, and everyday sounds.

45 dB

Joby S4 at 500m

Quieter than conversation

95 dB

Bell 407 at 150m

Causes hearing discomfort

50 dB

Difference

~100,000x less sound intensity

Interactive Decibel Scale

eVTOL Aircraft

Helicopters

Common Sounds

Whisper

30 dB

Joby S4

at 500m

45 dB

Archer Midnight

at 300m

45 dB

EHang EH216-S

at 150m

55 dB

Normal Conversation

60 dB

Volocopter 2X

at 75m

65 dB

Vacuum Cleaner

70 dB

Busy Traffic

80 dB

Robinson R44

88 dB

Lawnmower

90 dB

Bell 407

95 dB

Airbus H125

97 dB

Rock Concert

110 dB

Jet Takeoff

130 dB

0 dB (Silence)65 dB (Comfortable)130 dB (Pain Threshold)

Note: Noise levels are shown at manufacturer-reported measurement distances (shown in parentheses). Direct comparisons between aircraft measured at different distances should account for this difference — sound intensity decreases with distance.