Hwy overpass & p-line aprx 40 AGL crosses apch Rwy 33 aprx 1250´ fr rwy thld. Extensive glider activity over mtns to E of A/D. Recommend only pilots familiar with lcl area use this aprt dur hrs of darkness. Ngt ops not recommended unless all 4 hazard beacons oprg. Extv bird activity in vic of rwy.
Effective 0901Z 0901Z 19 July 2018 to 0901Z 13 September 2018