NORTHERN TRAILS AVIATION
BIRCHWOOD, WI
Northern Trails Aviation, a privately owned, non-towered airport in Birchwood, Wisconsin, is identified as WN98. Its only runway is 09/27, which features a turf surface and measures 2,800 feet long and 60 feet wide.
Operations are conducted under visual flight rules only, as no instrument approach procedures are published for the field. The non-towered strip has no published frequencies, so pilots keep their own separation using standard see-and-avoid procedures. The field has no fuel sales on record. As a private-use facility, landing requires prior permission from the owner.
The field rests at an elevation of 1,272 feet above mean sea level.