Non-registered A/D (Harrison Field) 4.5NM SW CYXH aprt. Frequent light/ultralight acft activity. Turf rwy, orientation 17/35. Ditches N & S edges Rwy 27 E of Rwy 03/21. Ditches N edge Twy A & along N of Rwy 21 running E aprx 525' from Twy A. Migratory bird activity in vic of aprt Oct - Mar.
Effective 0901Z 02 March 2017 to 0901Z 27 April 2017