Within 1973 Flap
How one investigator shaped the flap
Stan Gordon's files helped keep the western Pennsylvania wave visible, but private investigation also shaped how later readers understand the reports.
On this page
- Hotlines, field teams and early documentation
- Why private case files matter
- Where preservation becomes interpretation
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Introduction
The western Pennsylvania UFO flap of 1973 is remembered largely through the work of one investigator: Stan Gordon. Long after newspapers stopped covering strange lights, alleged landings and creature reports, Gordon’s files remained one of the main surviving records of what witnesses said they experienced.
That role matters because the 1973 wave unfolded after the closure of the US Air Force’s Project Blue Book. Many reports no longer entered a major government collection. Instead, witnesses often contacted local newspapers, police departments or volunteer investigators. In western Pennsylvania, Gordon became one of the people gathering reports, conducting interviews, comparing cases and preserving documents that might otherwise have disappeared. [Herald-Standard]heraldstandard.comfayette countys encounterHerald-StandardFayette County's 1973 encounter7 Oct 2014 — Officials who mention Fayette County's 1973 report of Bigfoot and a UFO refer…
At the same time, his importance creates a challenge for historians and sceptics. Much of what later generations know about the flap comes through Gordon’s investigations, publications and archives. His work preserved evidence, but it also helped shape the way the flap has been remembered and interpreted.
Hotlines, field teams and early documentation
Gordon was not simply a writer looking back years later. He was already involved in UFO research before the most intense phase of the 1973 flap. By 1970 he had founded the Westmoreland County UFO Study Group, one of several volunteer organisations he organised to investigate unusual reports across Pennsylvania. Witnesses, police officers, reporters and local residents could pass information to these networks when strange events were reported. [Apple Podcasts]podcasts.apple.comPodcasts SO EP:69 BONUS SHOW!UFO's, Bi…–Sasquatch Odyssey3 Oct 2021 — In 1970, Gordon founded the Westmoreland County UFO Study Group… UFO sightings and other stra…
During the 1973 wave, reports arrived from multiple counties and involved different types of claims. Some concerned lights or structured objects in the sky. Others involved alleged close encounters, unusual sounds, frightened animals or reports of large hairy creatures. Gordon’s groups attempted to collect witness statements, check locations and compare reports arriving from different communities. [Stan Gordon]stangordon.infoSome of you will remember the massive UFO and Bigfoot wave that occurred in Pennsylvania during 1973.Read more…
This kind of field investigation filled a gap left by the end of official Air Force UFO inquiries. Instead of a federal case file, many Pennsylvania incidents survived because local researchers gathered notes, witness accounts, photographs, sketches and press clippings. Gordon later described 1973 as a year with “multitudes” of UFO reports across the state, many of which received newspaper coverage at the time. [Stan Gordon]stangordon.infoSome of you will remember the massive UFO and Bigfoot wave that occurred in Pennsylvania during 1973.Read more…
The famous Fayette County and Uniontown-area reports became closely associated with him. Decades later, local journalists still referred questions about the case to Gordon, reflecting how completely he had become linked with the surviving record. One newspaper noted that officials routinely answered inquiries by saying: “That’s Stan’s case.” [Herald-Standard]heraldstandard.comfayette countys encounterHerald-StandardFayette County's 1973 encounter7 Oct 2014 — Officials who mention Fayette County's 1973 report of Bigfoot and a UFO refer…
Why private case files matter
Many UFO waves leave surprisingly little documentation. Newspapers may publish brief articles, witnesses move away, police records are discarded and memories change over time. The importance of Gordon’s archive lies partly in preventing that kind of disappearance.
His collections preserved details that would otherwise be difficult to reconstruct: witness names, timelines, interview notes, locations, newspaper coverage and reports from investigators who visited scenes shortly after events were reported. Later books and documentaries covering Pennsylvania’s 1973 flap have repeatedly drawn upon material that Gordon gathered or preserved. [Wave AI Podcast Notes]pod.wave.coWave AI Podcast NotesSUPERCUT: "The Pennsylvania/Bigfoot UFO Invasion" w/ Steve…Drawing heavily from Stan Gordon's seminal book "Silen…
The value of those records extends beyond believers in UFOs. Even researchers who doubt extraordinary explanations need documentation if they want to test alternative theories. A sceptical investigator cannot compare witness testimony against astronomical data, aircraft movements or folklore patterns if the original reports have vanished.
The archive also captures something broader than individual sightings. It shows how a regional flap developed. Readers can see how reports spread through local media, how rumours evolved and how apparently separate incidents became linked together in public discussion. That wider social history is often lost when only the most famous cases survive.
Because western Pennsylvania’s 1973 flap mixed UFO reports with Bigfoot-style creature claims, Gordon’s records are particularly important for understanding how those narratives became connected. Later commentators often treat the UFO and creature stories as a single phenomenon. The surviving files allow researchers to examine whether those links were present from the beginning or emerged gradually as reports accumulated. [Sharon A. Hill]sharonahill.comHillWhen Bigfoot became an alien (around 1973) - Sharon A. Hill2 Jan 2017 — A series of sightings of both UFOs and Bigfoot-like creatures…
Where preservation becomes interpretation
The strength of Gordon’s archive is also the source of an important criticism.
When a single investigator becomes the principal record-keeper, later understanding of events can become filtered through that investigator’s choices. Decisions about which witnesses were interviewed, which reports seemed credible, how cases were grouped together and which details were emphasised all influence the historical picture.
This does not mean Gordon fabricated evidence or acted dishonestly. Rather, it reflects a common problem in post-Blue Book UFO research. Private investigators often served simultaneously as interviewer, archivist, analyst and later author. Their files preserved valuable information, but they also created a framework through which later readers encountered that information.
The 1973 Pennsylvania flap illustrates this clearly. Gordon’s later books and interviews present the wave as an unusually significant period in which UFO reports and creature encounters appeared together across a wide region. That interpretation has become influential within paranormal literature. Goodreads [Stan Gordon]stangordon.infoSome of you will remember the massive UFO and Bigfoot wave that occurred in Pennsylvania during 1973.Read more…
Sceptical writers have argued that the same events can be understood differently. Some point to misidentifications, local folklore, media amplification or a classic “flap” effect in which reports encourage additional reports. The more a region becomes focused on strange sightings, the more likely residents are to interpret ambiguous experiences through that lens. [Wikipedia]WikipediaUFO flapUFO flap
Because many original reports survive primarily through Gordon’s records, it is sometimes difficult to separate raw witness testimony from later narrative framing. Historians therefore have to ask two questions at once: what witnesses claimed in 1973, and how those claims were subsequently organised into the story of a single western Pennsylvania flap.
A bridge between newspapers, witnesses and later researchers
One reason Gordon remains central to Pennsylvania UFO history is that he connected several worlds that rarely communicate well with one another.
He gathered reports from ordinary residents, maintained relationships with local media and continued revisiting cases long after public attention faded. As a result, researchers examining Pennsylvania’s UFO history decades later often encounter the same chain of sources: a newspaper article, a witness recollection and a Gordon investigation file that preserved additional details. [Herald-Standard]heraldstandard.comfayette countys encounterHerald-StandardFayette County's 1973 encounter7 Oct 2014 — Officials who mention Fayette County's 1973 report of Bigfoot and a UFO refer…
His work also helped keep the 1973 wave visible during periods when mainstream interest in UFOs declined. Books such as Silent Invasion: The Pennsylvania UFO-Bigfoot Casebook brought together material from the flap and made it available to new audiences. Whether readers accept extraordinary explanations or not, those publications ensured that western Pennsylvania’s reports remained part of the broader discussion of American UFO history. [Goodreads]goodreads.comGoodreadsSilent Invasion: The Pennsylvania UFO-Bigfoot CasebookStan Gordon began his journey in field investigations of UFOs and other Pa…
That continuing visibility explains why the 1973 flap still occupies a prominent place in Pennsylvania UFO lore. The sightings themselves were brief. The archive lasted.
The lasting significance of Gordon’s archive
The strongest case for Stan Gordon’s importance is straightforward: without his efforts, much of the documentary record surrounding western Pennsylvania’s 1973 UFO flap would probably be fragmentary or lost.
The strongest caution is equally straightforward: because so much surviving material passes through one investigator’s collection and later retellings, readers should distinguish between preserved evidence and later interpretation.
Those two facts are not contradictions. They are the reason Gordon occupies such a central place in Pennsylvania UFO history. He helped save witness accounts from disappearance, but he also became one of the main lenses through which those accounts are viewed. Understanding the 1973 flap therefore means understanding both the reports themselves and the role of the investigator who preserved them.
Amazon book picks
Further Reading
Books and field guides related to How one investigator shaped the flap. Use these as the next step if you want deeper reading beyond the article.
Really Mysterious Pennsylvania: UFOs, Bigfoot & Other Weird E...
Expands on unusual Pennsylvania reports collected by Gordon.
The UFO Experience
Provides methodology relevant to volunteer investigators and case evaluation.
UFOs and Government
Places private investigators in the broader history of UFO research.
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Endnotes
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Source: podcasts.apple.com
Title: Podcasts SO EP:69 BONUS SHOW!
Link: https://podcasts.apple.com/ca/podcast/so-ep-69-bonus-show-ufos-bigfoot-and-more-with-stan-gordon/id1552990311?i=1000537401452Source snippet
UFO's, Bi…–Sasquatch Odyssey3 Oct 2021 — In 1970, Gordon founded the Westmoreland County UFO Study Group... UFO sightings and other stra...
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Source: goodreads.com
Link: https://www.goodreads.com/en/book/show/9907632-silent-invasionSource snippet
GoodreadsSilent Invasion: The Pennsylvania UFO-Bigfoot CasebookStan Gordon began his journey in field investigations of UFOs and other Pa...
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Source: pod.wave.co
Link: https://pod.wave.co/podcast/bigfoot-collectors-club/supercut-the-pennsylvaniabigfoot-ufo-invasion-w-steve-bergSource snippet
Wave AI Podcast NotesSUPERCUT: "The Pennsylvania/Bigfoot UFO Invasion" w/ Steve...Drawing heavily from Stan Gordon's seminal book "Silen...
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Source: sharonahill.com
Link: https://sharonahill.com/bigfoot/Source snippet
HillWhen Bigfoot became an alien (around 1973) - Sharon A. Hill2 Jan 2017 — A series of sightings of both UFOs and Bigfoot-like creatures...
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Source: Wikipedia
Title: UFO flap
Link: https://en.wikipedia.org/wiki/UFO_flap -
Source: podcasts.apple.com
Link: https://podcasts.apple.com/fr/podcast/correlation-of-strangeness-with-stan-gordon/id923527373?i=1000488260285Source snippet
of Strangeness with Stan GordonIn his 61 years of research so far, beginning in 1959 at the age of ten, Stan has interviewed thousands of...
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Source: goodreads.com
Title: Now after a 12-month scientific investigation, the story
Link: https://www.goodreads.com/book/similar/14800047-silent-invasion-the-pennsylvania-ufo-bigfoot-casebookSource snippet
Readers who enjoyed Silent Invasion: The Pennsylvania UFO-...For 10 years Betty Andreasson could tell no one about her bizarre, terrifyi...
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Source: heraldstandard.com
Title: fayette countys encounter
Link: https://www.heraldstandard.com/news/2014/oct/07/fayette-countys-encounter/Source snippet
Herald-StandardFayette County's 1973 encounter7 Oct 2014 — Officials who mention Fayette County's 1973 report of Bigfoot and a UFO refer...
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Source: stangordon.info
Link: https://www.stangordon.info/wp/2024/01/17/2023-a-major-year-for-ufo-uap-bigfoot-cryptid-reports-and-other-mysterious-activity-in-pennsylvania/Source snippet
Some of you will remember the massive UFO and Bigfoot wave that occurred in Pennsylvania during 1973.Read more...
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Source: stangordon.info
Link: https://www.stangordon.info/wp/2021/06/07/the-government-needs-to-be-more-forthcoming-about-the-ongoing-ufo-mystery-ufo-sightings-reported-yearly-in-pennsylvania/Source snippet
Stan GordonUFO Sightings Reported Yearly in PennsylvaniaJun 7, 2021 — The 1970's were very active with numerous detailed UFO observations...
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Source: abebooks.co.uk
Title: Abe Books UKSilent Invasion: The Pennsylvania UFO-Bigfoot Casebook
Link: https://www.abebooks.co.uk/9780966610833/Silent-Invasion-Pennsylvania-UFO-Bigfoot-Casebook-0966610830/plpSource snippet
Silent Invasion: The Pennsylvania UFO-Bigfoot Casebook...
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Source: facebook.com
Link: https://www.facebook.com/groups/484025020082/posts/10168417060650083/Source snippet
Mysterious lights seen over Westmoreland County in 1973"These are definitely very significant sightings, says Stan Gordon, director of th...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=29_GPzKTYmISource snippet
Stan Gordon" - [Kecksburg]({{ 'kecksburg/' | relative_url }}) UFO Incident - Bigfoot Sightings...
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Source: stangordon.info
Link: https://www.stangordon.info/wp/Source snippet
s well as other anomalies that have come to my attention during 2026, from across...Read more...
Additional References
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Source: pabigfoot.com
Link: https://www.pabigfoot.com/archived-sightings.htmlSource snippet
Archived SightingsThis page is a compilation of archived reports collected from the Pennsylvania Bigfoot Society, Stan Gordon, Dr.... UF...
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Source: instagram.com
Link: https://www.instagram.com/p/DTf4j9IDh0Y/Source snippet
Last year alone, 13 UFO sightings were reported in CT...STAN GORDON PRESENTS: WHAT WE KNOW ABOUT HE KECKSBURG, PA UFO INCIDENT (WITH UPD...
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Source: facebook.com
Link: [https://www.facebook.com/WVIATVFM/posts/was-it-a-ufo-a-meteor-a-russian-satellite-the-carbondaleSource snippet
November 9, 1974, remains one of PA's most debated mysteries. Witnesses recall a glowing object streaking across...
Published: November 9, 1974
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Source: reddit.com
Title: episode 516 the pennsylvania ufo bigfoot invasion
Link: https://www.reddit.com/r/LPOTL/comments/znom1w/episode_516_the_pennsylvania_ufo_bigfoot_invasion/Source snippet
Episode 516: The Pennsylvania UFO Bigfoot Invasion of...The boys bring you the story of The Pennsylvania UFO Bigfoot Invasion of 1973, a...
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Source: medium.com
Title: the pa ufo bigfoot invasion of 1973 9e34e7ad3875
Link: https://medium.com/%40weirdones/the-pa-ufo-bigfoot-invasion-of-1973-9e34e7ad3875Source snippet
MediumThe PA UFO Bigfoot Invasion of 1973 | by Weird onesHeading up the investigation of this “double flap” was Stan Gordon. Born in 1949...
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Source: shadowfrequencypodcast.com
Link: https://www.shadowfrequencypodcast.com/blog/unraveling-the-1973-pennsylvania-ufo-bigfoot-flap/Source snippet
Unraveling the 1973 Pennsylvania UFO-Bigfoot Flap22 Dec 2025 — By late 1973, it faded mysteriously—no evidence left but Stan Gordon's arc...
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Source: youtube.com
Title: Bikes & Hikes
Link: https://www.youtube.com/watch?v=4xLmVgnpemsSource snippet
Around The Town w/ Marilyn Forbes - Paranormal Investigator Legend Stan Gordon at Kecksburg, PA...
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Source: reddit.com
Link: https://www.reddit.com/r/Cryptozoology/comments/1l42u7k/a_rather_bizarre_bigfoot_sighting_from/Source snippet
as fishing at night when he saw the cryptid...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=MuYMQzpPEvYSource snippet
Bikes & Hikes - "Paranormal Exploring w Stan Gordon" - Kecksburg UFO Incident...
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Source: youtube.com
Title: Around The Town w/ Marilyn Forbes
Link: https://www.youtube.com/watch?v=NXArmU4fqHsSource snippet
Episode 184 Kecksburg Revisited with Stan Gordon...
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