Spanish Tarmac

The apuloni, yomwe ili pamwamba pa chipatala cha Tres Cruces ku Bilbao, Spain, imatalika mamita 3 ndipo imatha kunyamula ma helikoputala olemera mpaka matani 6 (13,200 lbs). Zinthu zophatikizika zoperekedwa ndi Spare zinali zoyenererana ndi luso loletsa dzimbiri, zomangamanga zopepuka, zotsika mtengo, komanso kamangidwe kosavuta. Zidazi zimakhala ndi zokutira zotsutsana ndi kutsetsereka kopitilira 45 (kalasi 3).

Kuphatikiza apo, ndi kulemera kwa 60 kg/m2 (12.3 lb/m2), zinthuzo zimadzitamandira ndi kuchuluka kwa mphamvu ndi kulemera poyerekeza ndi zida zina za helipad. Zotsatira za mayeso azinthu zimakwaniritsa zofunikira za International Civil Aviation Organisation (ICAO) zokhala ndi moto wa M1.