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Last reviewed: 6 July 2026
V55/5 form · Box 46
Engine-speed Sound Level (min⁻¹)
What goes in box 46
Box 46 of the DVLA V55/5 form is for engine-speed sound level (min⁻¹).
Engine speed at which stationary sound reading is taken.
What to enter
| Field | Type | Required? |
|---|---|---|
Engine-speed Sound Level (min⁻¹) Engine speed at which stationary sound reading is taken. | number | Optional |
Source
This page is generated from the same field definitions our V55/5 tool validates against, mapped to the official DVLA guidance.
V355/5 official guidance (GOV.UK)v55-5.com is an independent service and is not affiliated with the DVLA.
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