FDC 2026 3439 2026-08-10T16:58:53 2026-08-14 Williston Basin International Airshow c43fa8e8-b7fe-431e-8554-00adee157c67 TFR24a26430120b false 2026-08-14T19:30:00 2026-08-15T20:30:00 UTC UTC Due to High Speed aerial demonstrations Williston NORTH DAKOTA ZLC 91.145 RAS 16539 Area A ALT 14500 FT HEI 0 FT NOTAM INCLUDE INCLUDE FALSE FALSE 2026-08-14T19:30:00 2026-08-14T22:30:00 FALSE 2026-08-15T17:30:00 2026-08-15T20:30:00 RAS 16539 PART 16540 BOM BASE RAS 16539 16539 WGE GRC 48.34710951N 103.75252778W WGE GRC 48.34584232N 103.73083501W WGE GRC 48.34207945N 103.7098045W WGE GRC 48.33593575N 103.69007802W WGE GRC 48.3275987N 103.67225699W WGE GRC 48.31732262N 103.65688398W WGE GRC 48.30542079N 103.64442607W WGE GRC 48.29225583N 103.6352607W WGE GRC 48.27822855N 103.62966428W WGE GRC 48.26376569N 103.62780411W WGE GRC 48.24930687N 103.62973358W WGE GRC 48.23529124N 103.63539093W WGE GRC 48.22214411N 103.64460153W WGE GRC 48.21026415N 103.6570835W WGE GRC 48.20001135N 103.67245652W WGE GRC 48.19169618N 103.69025348W WGE GRC 48.18557032N 103.70993473W WGE GRC 48.18181908N 103.7309043W WGE GRC 48.18055594N 103.75252778W WGE GRC 48.18181908N 103.77415126W WGE GRC 48.18557032N 103.79512083W WGE GRC 48.19169618N 103.81480208W WGE GRC 48.20001135N 103.83259904W WGE GRC 48.21026415N 103.84797206W WGE GRC 48.22214411N 103.86045403W WGE GRC 48.23529124N 103.86966463W WGE GRC 48.24930687N 103.87532198W WGE GRC 48.26376569N 103.87725145W WGE GRC 48.27822855N 103.87539128W WGE GRC 48.29225583N 103.86979486W WGE GRC 48.30542079N 103.86062949W WGE GRC 48.31732262N 103.84817158W WGE GRC 48.3275987N 103.83279857W WGE GRC 48.33593575N 103.81497754W WGE GRC 48.34207945N 103.79525106W WGE GRC 48.34584232N 103.77422055W WGE GRC 48.34710951N 103.75252778W PART 16540 NOTAM PART 16540 16540 CIR 48.26383333N 103.75252778W WGE 5.0 NM ISN00 48.26383333N 103.75252778W ISN 48.25341347N 103.75066064W 345.0 ISN 48.25341347N 103.75066064W 0.6 NM WILLISTON UNLESS AUTH BY ATC. TRUE COMPOSITE TRUE FALSE BigThreatLanguage ARTCC Salt Lake Center ZLC ARTCC 801-320-2560 Ryan Seiler 269-209-8588 !FDC 6/3439 ZLC ND..AIRSPACE WILLISTON, ND..TEMPORARY FLIGHT RESTRICTIONS. PURSUANT TO 14 CFR SECTION 91.145, MANAGEMENT OF ACFT OPS IN THE VICINITY OF AERIAL DEMONSTRATIONS AND MAJOR SPORTING EVENTS, ACFT OPS ARE PROHIBITED WI AN AREA DEFINED AS 5NM RADIUS OF 481550N1034509W (ISN345000.6) SFC-14500FT MSL EFFECTIVE 2608141930 UTC UNTIL 2608142230 UTC, AND 2608151730 UTC UNTIL 2608152030 UTC. DUE TO HIGH-SPEED AERIAL DEMONSTRATIONS. UNLESS AUTH BY ATC. RYAN SEILER, TEL 269-209-8588, IS THE POINT OF CONTACT. SALT LAKE CENTER /ZLC/ ARTCC, TEL 801-320-2560, IS THE FAA CDN FAC. 2608141930-2608152030 !FDC 6/3439 ZLC ND..AIRSPACE WILLISTON, ND..TEMPORARY FLIGHT RESTRICTION. PURSUANT TO 14 CFR SECTION 91.145, MANAGEMENT OF ACFT OPS IN THE VICINITY OF AERIAL DEMONSTRATIONS AND MAJOR SPORTING EVENTS, ACFT OPS ARE PROHIBITED WI AN AREA DEFINED AS 5NM RADIUS OF 481550N1034509W (ISN345000.6) SFC-14500FT MSL EFFECTIVE 2608141930 UTC UNTIL 2608142230 UTC, AND 2608151730 UTC UNTIL 2608152030 UTC. DUE TO HIGH SPEED AERIAL DEMONSTRATIONS UNLESS AUTH BY ATC. RYAN SEILER, TEL 269-209-8588, IS THE POINT OF CONTACT. THE SALT LAKE CENTER /ZLC/ ARTCC, TEL 801-320-2560, IS THE CDN FAC. 2608141930-2608152030 <html> <Body> <Table cellpadding="1" cellspacing="0"> <TR bgcolor="#1E90FF"> <TD colspan="3" align="left" valign="bottom" width="250"> NOTAM Number : </TD> <TD valign="bottom" align="left" width="320"> FDC 6/3439 </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Issue Date : </TD> <TD valign="top"> August 10, 2026 at 1658 UTC </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Location : </TD> <TD> Williston, North Dakota near WILLISTON VOR/DME (ISN) </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Beginning Date and Time : </TD> <TD> August 14, 2026 at 1930 UTC </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Ending Date and Time : </TD> <TD> August 15, 2026 at 2030 UTC </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Reason for NOTAM : </TD> <TD> Due to High Speed aerial demonstrations </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Type : </TD> <TD> Airshow </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Replaced NOTAM(s) : </TD> <TD> N/A </TD> </TR> <TR> <TD colspan="3" align="left" valign="top"> Pilots May Contact : </TD> <TD> Salt Lake Center (ZLC) ARTCC, 801-320-2560 </TD> </TR> <TR> <TD colspan="2" height="20"> </TD> </TR> <TR> <TD colspan="3" align="right" valign="top"> Jump To:       </TD> <TD> <a href="#areas" class="internal"> Affected Areas </a> <a href="#restrictions" class="internal"> Operating Restrictions and Requirements </a> <a href="#other" class="internal"> Other Information </a> </TD> </TR> <TR> <TD colspan="2" height="20"> </TD> </TR> </Table> <Table cellpadding="1" cellspacing="0"> <TR bgcolor="#1E90FF"> <TD colspan="5"> <a name="areas"> Affected Area(s) </a> </TD> <TD colspan="1" align="right"> <a href="#"> Top </a> </TD> </TR> <TR> <TD colspan="2" height="10"> </TD> </TR> <TR> <TD colspan="3" width="200"> Airspace Definition: </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="3"> Center: </TD> <TD> On the WILLISTON VOR/DME (ISN) 345 degree radial at 0.6 nautical miles. (Latitude: 48º15'50"N, Longitude: 103º45'09"W) </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="3"> Radius: </TD> <TD> 5 nautical miles </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="3"> Altitude: </TD> <TD> From the surface up to and including 14500 feet MSL </TD> </TR> <TR> <TD colspan="5"> Effective Date(s): </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="5" valign="top"> From August 14, 2026 at 1930 UTC </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="5" valign="top"> To August 14, 2026 at 2230 UTC </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="5" valign="top"> From August 15, 2026 at 1730 UTC </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD colspan="5" valign="top"> To August 15, 2026 at 2030 UTC </TD> </TR> <TR> <TD colspan="2" height="20"> </TD> </TR> </Table> ENDSECTION1 <Table cellpadding="1" cellspacing="0"> <TR bgcolor="#1E90FF"> <TD colspan="3"> <a name="restrictions"> Operating Restrictions and Requirements </a> </TD> <TD colspan="1" align="right"> <a href="#"> Top </a> </TD> </TR> <TR> <TD colspan="2" height="20"> </TD> </TR> <TR> <TD colspan="3"> No pilots may operate an aircraft in the areas covered by this NOTAM (except as described). </TD> </TR> <TR> <TD colspan="2" height="20"> </TD> </TR> <TR> <TD> <DL> <DT>UNLESS AUTH BY ATC. </DT> </DL> </TD> </TR> <TR> <TD colspan="2" height="10"> </TD> </TR> </Table> <Table cellpadding="1" cellspacing="0"> <TR bgcolor="#1E90FF"> <TD colspan="3"> <a name="other"> Other Information: </a> </TD> <TD colspan="1" align="right"> <a href="#"> Top </a> </TD> </TR> <TR> <TD colspan="2"> ARTCC: </TD> <TD> ZLC - Salt Lake City Center </TD> </TR> <TR> <TD colspan="2"> Point of Contact: </TD> <TD> Ryan Seiler </TD> </TR> <TR> <TD colspan="2"> </TD> <TD> Telephone 269-209-8588 </TD> </TR> <TR> <TD colspan="2"> Authority: </TD> <TD> Title 14 CFR section 91.145 </TD> </TR> <TR> <TD Width="40" /> <TD Width="152" /> <TD Width="318" /> </TR> </Table> </Body> </html> false