Port Austin Air Force Station
closed United States Air Force General Surveillance Radar station
Port Austin Air Force Station (ADC ID: P-61, NORAD ID: Z-61) is a closed United States Air Force General Surveillance Radar station. It is located 1.2 miles (1.9 km) south-southwest Port Austin, Michigan. It was closed in 1988 by the Air Force.
After the station's closure, it was replaced by the Federal Aviation Administration (FAA) at Canton, Michigan (near Detroit) 42°16′36″N 083°28′27″W as part of the Joint Surveillance System (JSS), designated by NORAD as Eastern Air Defense Sector (EADS) Ground Equipment Facility J-62.
History
Port Austin Air Force Station was one of twenty-eight stations built as part of the second segment of the Air Defense Command permanent radar network. Prompted by the start of the Korean War, on 11 July 1950, the Secretary of the Air Force asked the Secretary of Defense for approval to expedite construction of the permanent network. Receiving the Defense Secretary's approval on 21 July, the Air Force directed the Corps of Engineers to proceed with construction.
The 754th Aircraft Control and Warning Squadron was initially activated on 27 November 1950 at a temporary site at Oscoda AFB, Michigan (L-20) with an AN/TPS-1B radar. It was assigned to Port Austin in July 1951 and began operating an AN/TPS-1C. The site then joined the Permanent radar network, and the squadron began using an AN/FPS-3 set, and initially the station functioned as a Ground-Control Intercept (GCI) and warning station. As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.
This brief starts where responsible research should: with the source description of “Port Austin Air Force Station” as closed United States Air Force General Surveillance Radar station. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as closed United States Air Force General Surveillance Radar station. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Jul 19, 2026. The linked authority identifier is Q7230502. Authority coordinates are 44.030, -83.002. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1988, 1950 and 1951.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Port Austin Air Force Station”, its source revision and the description used here.
- Expand the search: follow Port Austin Air Force Station primary sources, Port Austin Air Force Station archive and Port research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Port Austin Air Force Station”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Port Austin Air Force Station” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.