{"database": "openregs", "table": "federal_register", "rows": [["2015-31646", "Proposed Amendment of Class E Airspace; Butte, MT", "Proposed Rule", "This action proposes to modify Class E surface area airspace and Class E airspace extending upward from 700 feet above the surface at Bert Mooney Airport, Butte, MT. After a review, the FAA found it necessary to amend the standard instrument approach procedures for the safety and management of Instrument Flight Rules (IFR) operations at the airport.", "2015-12-18", 2015, 12, "https://www.federalregister.gov/documents/2015/12/18/2015-31646/proposed-amendment-of-class-e-airspace-butte-mt", "https://www.govinfo.gov/content/pkg/FR-2015-12-18/pdf/2015-31646.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "This action proposes to modify Class E surface area airspace and Class E airspace extending upward from 700 feet above the surface at Bert Mooney Airport, Butte, MT. After a review, the FAA found it necessary to amend the standard instrument approach...", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["2015-31646"], "units": {}, "query_ms": 0.5052520136814564, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}