DOT 558.1 Low flying helicopters or sudden helicopter noise likely ahead sign
The DOT 558.1 Low Flying Helicopters or Sudden Helicopter Noise Likely Ahead sign is a vital road warning sign designed to inform drivers of potential distractions caused by helicopters operating at low altitudes. This sign is typically installed near helipads, military air bases, hospital landing zones, or training areas where helicopter traffic is frequent and noise levels may spike unexpectedly.
Displaying a bold helicopter icon inside a red-bordered triangle, the sign adheres to UK road sig...Full description
The DOT 558.1 Low Flying Helicopters or Sudden Helicopter Noise Likely Ahead sign is a vital road warning sign designed to inform drivers of potential distractions caused by helicopters operating at low altitudes. This sign is typically installed nea...Full description
The DOT 558.1 Low Flying Helicopters or Sudden Helicopter Noise Likely Ahead sign is a vital road wa...Full description
- Model Code:
- Size:
- 200x300mm
- Material:
- SAV
- Orientation:
- Pack Qty:
1+ |
---|
0.00 |
DOT 558.1 | 600mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
34.49 (inc VAT 41.39) |
DOT 558.1 | 600mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
39.39 (inc VAT 47.27) |
DOT 558.1 | 750mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
46.96 (inc VAT 56.35) |
DOT 558.1 | 750mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
49.97 (inc VAT 59.96) |
DOT 558.1 | 900mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
69.47 (inc VAT 83.36) |
DOT 558.1 | 900mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
77.97 (inc VAT 93.56) |
DOT 558.1 | 1200mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
139.47 (inc VAT 167.36) |
DOT 558.1 | 1200mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
145.97 (inc VAT 175.16) |
DOT 558.1 | 1500mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
227.47 (inc VAT 272.96) |
DOT 558.1 | 1500mm triangle | Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
247.97 (inc VAT 297.56) |
Code | Size | Material | 1+ |
---|
600mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
34.49 (inc VAT 41.39) |
600mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
39.39 (inc VAT 47.27) |
750mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
46.96 (inc VAT 56.35) |
750mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
49.97 (inc VAT 59.96) |
900mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
69.47 (inc VAT 83.36) |
900mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
77.97 (inc VAT 93.56) |
1200mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
139.47 (inc VAT 167.36) |
1200mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
145.97 (inc VAT 175.16) |
1500mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) |
227.47 (inc VAT 272.96) |
1500mm triangle Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted) |
247.97 (inc VAT 297.56) |
Size / Material | 1+ |
---|
The DOT 558.1 Low Flying Helicopters or Sudden Helicopter Noise Likely Ahead sign is a vital road warning sign designed to inform drivers of potential distractions caused by helicopters operating at low altitudes. This sign is typically installed near helipads, military air bases, hospital landing zones, or training areas where helicopter traffic is frequent and noise levels may spike unexpectedly.
Displaying a bold helicopter icon inside a red-bordered triangle, the sign adheres to UK road signage regulations for quick recognition and maximum visibility. It effectively alerts motorists to anticipate sudden noise or visual distractions, encouraging reduced speed and heightened awareness for safety.
Manufactured from high-quality, weather-resistant materials, the DOT 558.1 sign is suitable for both temporary and permanent installations. It is available in various sizes to meet different road layouts and visibility requirements.
This sign complies with the Traffic Signs Regulations and General Directions (TSRGD) and supports public authorities, construction zones, and private airfield operators in maintaining high road safety standards in helicopter flight zones. A must-have for enhancing driver caution and protecting road users in areas affected by low-altitude aviation activity.
Materials available for this product

Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted)
- Description:
- Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) 12 year warranty c/w Anti-Graffiti Laminate. CE Marked Permanent Road Signs conform to the Traffic Signs Regulations and General Directions 2002 and BS EN 12899-1:2001.
- Thickness:
- 3mm
- Fixing Options:

Class 2 (High Intensity) 3mm Dibond Traffic Grade (Post Mounted)
- Description:
- Class 2 (High Intensity) 3mm Dibond Traffic Grade (Wall Mounted) 12 year warranty c/w Anti-Graffiti Laminate. CE Marked Permanent Road Signs conform to the Traffic Signs Regulations and General Directions 2002 and BS EN 12899-1:2001.
- Thickness:
- 3mm
- Fixing Options:
- To be fixed with clips or Universal Screw Banding and Channel Clamps
*indicates your currently selected material