{"database": "openregs", "table": "federal_register", "rows": [["2011-21919", "Proposed Amendment of Class E Airspace; Centerville, IA", "Proposed Rule", "This action proposes to amend Class E airspace at Centerville, IA. Decommissioning of the Centerville non directional beacon (NDB) and cancellation of the NDB approach at Centerville Municipal Airport, as well as the addition of a new COPTER RNAV standard instrument approach procedure (SIAP) at Mercy Medical Center-Centerville Heliport, have made this action necessary to enhance the safety and management of Instrument Flight Rules (IFR) operations within the National Airspace System.", "2011-08-26", 2011, 8, "https://www.federalregister.gov/documents/2011/08/26/2011-21919/proposed-amendment-of-class-e-airspace-centerville-ia", "https://www.govinfo.gov/content/pkg/FR-2011-08-26/pdf/2011-21919.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "This action proposes to amend Class E airspace at Centerville, IA. Decommissioning of the Centerville non directional beacon (NDB) and cancellation of the NDB approach at Centerville Municipal Airport, as well as the addition of a new COPTER RNAV...", 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": ["2011-21919"], "units": {}, "query_ms": 0.34512998536229134, "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"}