Snow bank on apron btwn twy B & C Nov-May. Daily radiosonde balloon launches with an ascent rate of 1000 ft/min between the hrs of 1115-1345Z and 2315-0145Z Water Aerodrome, Goose (Otter Creek), 2.5 NM N. Small Arms Range lctd aprx. 1.5NM NW of AD. Times of activation via ATIS or Goose Bay twr..
Effective 0901Z 0901Z 27 April 2017 to 0901Z 22 June 2017