Approach_Surface
type: Dataset
description: The dataset provides information on airport approach surfaces. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surface. An approach surface is applied to the end of each runway based upon the type of approach available. (Slopes can vary from 20:1, 34:1, 40:1 or 50:1).
issued: 2020-01-03
modified: 2024-07-25
contact point: Organization
  fn: Scott Vander Hart
keyword: AmeriGEO
keyword: AmeriGEOSS
keyword: CKAN
keyword: GEO
keyword: GEOSS
keyword: National
keyword: North America
keyword: United States
keyword: airfield
keyword: aviation
keyword: imaginary-surface
keyword: inventory
keyword: part-77
keyword: runway
theme: {Aviation}

XML File
type: Distribution
format: XML
issued: 2024-04-12T12:50:04.687731
modified: 2025-09-24T20:56:27.707448
access URL: https://data.iowa.gov/api/views/kfrq-j9b4/rows.xml
media type: application/xml

JSON File
type: Distribution
format: JSON
issued: 2024-04-12T12:50:04.687729
modified: 2025-09-24T20:56:27.706218
access URL: https://data.iowa.gov/api/views/kfrq-j9b4/rows.json
media type: application/json

Comma Separated Values File
type: Distribution
format: CSV
issued: 2024-04-12T12:50:04.687723
modified: 2025-09-24T20:56:27.703689
access URL: https://data.iowa.gov/api/views/kfrq-j9b4/rows.csv
media type: text/csv

RDF File
type: Distribution
format: RDF
issued: 2024-04-12T12:50:04.687727
modified: 2025-09-24T20:56:27.704956
access URL: https://data.iowa.gov/api/views/kfrq-j9b4/rows.rdf
media type: application/rdf+xml

US Migrating
type: Agent