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Additional information for ASN 2014-AGL-15375-OE <br /> AERONAUTICAL STUDY NO. 2014-AGL-15375-OE <br /> MSL-Mean Sea Level IFR- Instrument Flight Rules RWY --runway <br /> AGL-Above Ground Level VFR-Visual Flight Rules nm -nautical mile <br /> Part 77 -Title 14 Code of Federal Regulations(CFR)Part 77, Objects Affecting Navigable Airspace <br /> This temporary crane at 180 feet AGL/1135 feet AMSL has been identified as an obstruction under the <br /> standards of Title 14,Code of Federal Regulations(CFR)Part 77, as applied to Dane County Regional-Truax <br /> Field (MSN) in Madison, WI. The temporary crane would be located approximately 10,301 feet(1.69 nm) <br /> east of the existing RWY 21 threshold at the MSN Airport. This crane will be used to facilitate placement of <br /> building material. MSN elevation is 886 feet MSL. <br /> Scheduled time of operation: This crane will be on site approximately 12 months. <br /> This temporary crane would exceed this MSN Part 77 protected surface: <br /> Section 77.19(b) -A surface extending outward and upward from the periphery of the horizontal surface at a <br /> slope of 20 to 1 for a horizontal distance of 4,000 feet. The temporary crane would exceed the MSN conical <br /> surface by 90 feet. <br /> The proposed crane does not constitute a substantial adverse effect because the structure would be temporary. <br /> The crane would not be a hazard to air navigation provided these additional conditions identified below are <br /> strictly met: <br /> 1)This temporary crane shall be marked with red light and flag. Red light must conform to chapter 5, red <br /> obstruction light system, (L-810 or equivalent and minimum 32.5 candelas)and flag must conform to chapter <br /> 3,marking guidelines, in accordance with FAA's advisory circular 70/7460-1K, Obstruction marking and <br /> Lighting. Copy of advisory circular 70/7460-1k can be viewed and/or downloaded at https://oeaaa.faa.gov/ <br /> oeaaa/external/content/AC70_7460_1 K.pdf. <br /> 2)The sponsor shall notify the Manager of Dane County Regional-Truax Field Airport(MSN)at 608-246-3380 <br /> at least three(3) business days prior to erecting the crane. Sponsor shall notify the airport manager when the <br /> project is completed and when the crane is removed. <br /> 3) Sponsor shall notify the Manager of the MSN Airport Traffic Control Tower(ATCT) at 608-244-5691 at <br /> least three (3) business days prior to erecting the crane. The crane may NOT be erected/raised/set in place until <br /> this coordination has been completed and sponsor will notify the airport manager when the project is completed <br /> and when the crane is removed. Sponsor shall provide the contact phone number of the crane operator to lower <br /> the crane if/when necessary along with any revision in the crane operation schedule. <br /> 4)The temporary crane shall be lowered to the ground at night and/or when not in use. <br /> Page 3 of 3 <br />