Low Flying Aircraft Permanent UK Road Sign 

- Post Mountable with 2 fixing rails

- Class 2 R2/RA2 Reflective

- Available in 450mm, 600mm, 750mm, 900mm Tri

Diagram 558 is situated on roads adjacent to airfields, the is used to prepare road users from sudden appearances of aircraft or loud aircraft noises.

Material: R2/RA2 reflective overlay on aluminium composite backing

Fixing Method: 2 fixing rails for post mounting

Reflectivity: Class 2 R2/RA2

As per the UK Highways Traffic Sign Manual Chapter 4 - Warning Signs page: 66 The following advice is given:

13.1.1.  The low-flying aircraft sign, diagram 558 (S2-2-46, see Figure 13-1), is for use on roads skirting or in the vicinity of airfields where road users are likely to be startled by low-flying aircraft or by sudden noise from aircraft. A plate indicating “Gliders” (see Figure 13-2) should be added where appropriate. A plate to diagram 773 should be mounted below the sign if wig‑wag signals are installed to control the movement of traffic during the take-off or landing of aircraft.