Low Flying Aircraft or Sudden Aircraft Noise Likely Ahead Warning Sign – Diagram 558 | Permanent UK Traffic Sign
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Low Flying Aircraft or Sudden Aircraft Noise Warning Sign – Diagram 558. Alerts drivers to aircraft hazards and noise distractions. Supplied in reflective grades and UK-standard sizes.
If the product offers variations, Choose an option from each row:
🚧 Morelock Installations
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀Low Flying Aircraft or Sudden Aircraft Noise Likely Ahead Warning Sign – Diagram 558 | Permanent UK Traffic Sign
The Low Flying Aircraft or Sudden Aircraft Noise Likely Ahead Warning Sign – Diagram 558 is an important UK traffic sign used to warn drivers of areas near airfields, military bases, or low-altitude flight paths. In these zones, the unexpected appearance of low-flying aircraft or sudden loud noise may startle drivers or cause distractions, particularly for nervous or inexperienced motorists.
Fully compliant with TSRGD Diagram 558, BS EN 12899-1, and Chapter 4 of the Traffic Signs Manual, this permanent warning sign is constructed from aluminium, composite material, or self-adhesive vinyl and finished with RA2 or R3B reflective sheeting for high visibility day and night.
It is available in all UK standard triangle sizes — 450mm, 600mm, 750mm, 900mm, 1200mm, and 1500mm — and can be supplied with channel fixings, plate-only options, or adhesive backing to suit all installation types.
🔧 Technical Review
Diagram 558 features a simple yet unmistakable symbol of a descending aircraft inside a red-bordered triangle. This visual cue effectively communicates the risk of aviation-related distractions, especially in areas close to airfields or flight training zones where sudden engine noise or jet turbulence may occur.
✅ Why Choose Morelock for Your Diagram 558 Sign?
✔️ Made to TSRGD Diagram 558 and Chapter 8 specification
✔️ Available in RA2 and R3B reflective classes
✔️ Manufactured using aluminium, composite, or sticker substrate
✔️ All six standard triangle sizes available
✔️ Multiple mounting formats: channel rail, plate-only, or adhesive
✔️ UK-made and ready for fast nationwide dispatch
📌 Ideal For:
• Roads near civil or military airfields
• Motorways running under low-flying zones
• Remote countryside with RAF training exercises
• Locations near commercial or private airports
• Aviation heritage centres and flight show zones
🌟 Summary (Why You Should Buy This Product)
• ✅ Official UK sign warning of low flying aircraft or noise
• ✅ Fully TSRGD Diagram 558 compliant
• ✅ Reflective, weatherproof, and built to last
• ✅ Wide range of sizes available
• ✅ Made in the UK, quick delivery, quality assured
📊 Product Specifications Table
| Feature | Details |
|---|---|
| Product Name | Low Flying Aircraft or Sudden Aircraft Noise Likely Ahead Warning Sign |
| Diagram Number | 558 |
| Reflective Class (Facing) | RA2, R3B |
| Mounting Options | Channel, Plate-only, Self-Adhesive |
| Material (Substrate) | Aluminium, Composite, Stickers |
| Available Sizes (mm) | 450, 600, 750, 900, 1200, 1500 |
| Compliance | TSRGD Diagram 558, BS EN 12899-1, Chapter 8 |
🔗 Useful Road Sign Resources
| Section | Link & Description |
|---|---|
| 🛒 Shop Permanent Signs | Explore all Chapter 8 compliant road signs – reflective and compliant |
| 📏 Standard Triangle Sign Sizes | Choose from 450mm, 600mm, 750mm, 900mm, 1200mm & 1500mm – fast delivery |
| 🚧 Permanent Installation Options | Mounting posts, fixings, and installation services across the UK |
| 📞 Get a Road Sign Quote | Request pricing for bulk orders or custom specifications |
| 📚 Government Guidance | Safety at Street Works – Official Code of Practice (PDF) The Highway Code – UK traffic signage rules and standards |
| Weight | N/A |
|---|---|
| Facing | RA1, RA2, R3B |
| Substrate | Aluminium, Composite, Stickers |
| Fixing | Channel, Plate Only, Self-Adhesive |
| Size (mm) | 300, 600, 750, 900 |
