Frangible Airport Fencing�� ICAO’s Frangibility Ruling AERODROME DESIGN MANUAL PART 6, Frangibility – First Edition, 2006 states that: ���� 1.3 OBSTACLES TO BE MADE FRANGIBLE ���� ...certain airport equipment and installations, because of their function, must be ocated in an operational area. All such equipment and installations as well as their supports should be of minimum mass and frangible in order to ensure that impact does not result in loss of control of the aircraft. Among these equipment are for example: • fencing 3.1 OPERATIONAL REQUIREMENTS Fencing Exel frangible fences are transparent to electro3.1.11 The fence and its gates have to be sufficiently stable to serve the purpose and cannot be made frangible without detrimental effects to their intended function. magnetic signals, easy to However, the structure should be segmented and the design such that failure mode of the structure would be “windowing” in the event of an airplane colliding with the fence. install and practically maintenance free. 3.1.12 Notwithstanding the above, a light weight frangible fence should be installed when located between frangible lighting towers or when located to protect ILS critical and sensitive areas against unlawful interference. Exel Composites Oyj Muovilaaksontie 2 FI-82110 Heinävaara FINLAND

Frangible Exel Fencing The fence is assembled at the site from pre-assembled panels and posts. Panels The panels are available in two widths, 1,0 m and 2,0 m. Standard height of the panel is 1,9 m which makes the fence an average of 2 m height from the ground level. • Other panel heights are available on request. • Free space between panel uprights is 90 mm. • • Exel airport fences are full scale impact tested to prove compliance with ICAO’s frangibility ruling for approach support structures. The fence can be installed in straight line, with 9 0° and 45° corners. Gate can be supplied with single...