Within Loch Raven Files
What Did the Loch Raven Witnesses Report?
The two witnesses described a hovering object, vehicle failure, heat, and a sudden departure that shaped the case record.
On this page
- The reported encounter near the reservoir
- Details shared by Small and Cohen
- Strengths and limits of testimony
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Introduction
The Loch Raven Dam incident of 1958 is remembered primarily because of the detailed account given by two witnesses, Philip (also reported as Phillip) Small and Alvin Cohen. Their report described a close-range encounter near Loch Raven Reservoir in Maryland involving a glowing, egg-shaped object, an apparent failure of their car’s electrical system, a burst of heat and light, and a rapid departure. The significance of the case rests less on physical evidence — which is absent — and more on the quality, consistency, and limitations of the two men’s testimony.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
The witness record became one of the better-known unresolved reports in the US Air Force’s Project Blue Book files because investigators documented the unusual features of the claim but did not assign a conventional explanation. At the same time, the available evidence remains largely testimonial: there are no surviving photographs, recovered material samples, instrument recordings, or independent observers who confirmed the object itself.[NICAP]nicap.orgUFO ReportUFO Report…
The reported encounter near the reservoir
According to the witness accounts, Small and Cohen were driving near Loch Raven Reservoir on the night of 26 October 1958 when they noticed a large luminous object positioned above a bridge. They described it as a flattened, egg-shaped form that appeared to hover at a relatively low altitude. Estimates recorded in later summaries placed the object at roughly 100 feet in length and around 100–150 feet above the bridge structure.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
The two men reported that they initially slowed down because they wanted to observe the object more closely. As their vehicle approached the area, they said the car suddenly lost power. Small described the failure as affecting the electrical system: the lights went out and the engine stopped, with attempts to restart the vehicle unsuccessful while the object remained visible.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
The account then shifted from observation to a claimed physical interaction. The witnesses said they left the vehicle and watched from nearby as the object remained in place for a short period. They reported a bright flash of white light, a loud noise compared by them to an explosion or thunder, and a sensation of heat on their faces. They then said the object rose vertically and disappeared within seconds. After the object departed, they reported that the vehicle could be restarted.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
The sequence is the central reason the Loch Raven case attracted attention. Many UFO reports involve only an unusual visual observation, but Small and Cohen’s testimony added a claimed mechanical effect and a physical sensation. These additional details made the case more compelling to investigators interested in possible electromagnetic or environmental effects, while also creating more opportunities for alternative explanations.
Details shared by Small and Cohen
A consistent two-person account
One of the strongest features of the case is that it involved two witnesses observing the same event from the same location. Small and Cohen were not reporting separate sightings that were later combined; their account concerned a single shared experience during a short period of time. This type of contemporaneous agreement is often considered more useful than a single-person report because it allows comparison between two descriptions of the same event.[NICAP]nicap.orgUFO ReportUFO Report…
Their descriptions were also relatively specific. They provided estimates of the object’s shape, apparent size, position above the bridge, duration of observation, vehicle malfunction, and the sequence of the flash and departure. The Project Blue Book record preserved these details as part of its investigation into the report, later identified as case number 6148.[Isaac Koi Archive]isaackoi.com19581026 loch raven dam incidentIsaac Koi Archive1958.1026 Loch Raven Dam incident | Isaac Koi Archive…
However, shared testimony does not automatically establish the cause of an event. Two people can accurately describe what they experienced while still misunderstanding what produced it. The witnesses’ agreement strengthens the evidence that something unusual was perceived, but it does not by itself prove the nature of the object or the mechanism behind the reported effects.
The vehicle failure and heat claims
The reported car malfunction is the most frequently discussed part of the Loch Raven account. Small and Cohen believed the object affected the vehicle’s electrical system because the failure occurred as they approached and the car functioned again after the object disappeared. UFO researchers have often highlighted this as an example of a reported electromagnetic effect associated with a sighting.[NICAP]nicap.orgUFO ReportUFO Report…
The heat sensation was another important detail. The witnesses stated that the flash was accompanied by warmth or a burning sensation on their faces, and later accounts describe them seeking medical attention. The available case summaries, however, do not provide independently verified medical evidence demonstrating a specific cause of injury or exposure.[NICAP]nicap.orgUFO ReportUFO Report…
For evidence assessment, these claims occupy an intermediate position. They are stronger than a purely visual impression because they involve reported physical consequences, but they remain dependent on witness recollection. No external measurement confirmed an energy source, radiation exposure, unusual heat level, or mechanical interference.
Strengths and limits of the testimony
The Loch Raven witness evidence has several features that make it notable among historical UFO reports:
- Multiple witnesses: Small and Cohen independently experienced and described the same event, reducing the likelihood that the entire report originated from a single mistaken observation.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
- Immediate reporting: The men contacted local authorities after the event and their account entered official investigation channels rather than appearing only years later through later retellings.[NICAP]nicap.orgUFO ReportUFO Report…
- Detailed sequence of events: The report included timing, location, object description, vehicle behaviour, and the witnesses’ reactions.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
At the same time, the evidence has important weaknesses:
- No independent visual confirmation: Police officers reportedly investigated after the report, but no unusual object or physical trace was found at the scene.[NICAP]nicap.orgUFO ReportUFO Report…
- No physical evidence: There were no photographs, recordings, samples, or measurable traces connected to the object.[NICAP]nicap.orgUFO ReportUFO Report…
- Reliance on memory and estimation: Measurements such as size, distance, altitude, and duration were witness estimates made during a stressful nighttime event.[Ufologie]ufologie.patrickgross.orgUFOs at close sight: The Loch Raven Dam case, 1958…
These limitations explain why the case has remained disputed. Supporters of the incident point to the consistency of the two witnesses and the unusual combination of effects. More cautious interpretations note that a credible report of an unexplained experience is not the same as confirmed evidence of an unknown technology.
What the witness record can — and cannot — establish
The surviving evidence supports a narrower conclusion than some later retellings suggest. It is well documented that Small and Cohen reported seeing a hovering luminous object and experiencing a vehicle failure, heat, and a sudden departure. Project Blue Book recorded the incident as unresolved rather than identifying a definite conventional explanation.[Isaac Koi Archive]isaackoi.com19581026 loch raven dam incidentIsaac Koi Archive1958.1026 Loch Raven Dam incident | Isaac Koi Archive…
What remains uncertain is the cause. The witness accounts establish that two men reported an extraordinary encounter, but they do not independently verify what the object was, whether the vehicle failure was directly connected to it, or whether the physical sensations had an unusual external source.
The lasting value of the Loch Raven witness record is therefore found in the evidence question itself: it is a well-preserved example of how investigators evaluate unusual reports when testimony is detailed and consistent but physical confirmation is missing. The case remains significant not because the witnesses proved a particular explanation, but because their account illustrates the boundary between documented experience and verified physical evidence.
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Endnotes
1.
Source: nicap.org
Title: UFO Report
Link:https://www.nicap.org/reports/581026lochravendam_report2.htm
Source snippet
UFO Report...
2.
Source: nicap.org
Title: The Project Bluebook “Unknowns”
Link:https://www.nicap.org/bluebook/unknowns.htm
Source snippet
The Project Bluebook "Unknowns"...
3.
Source: nicap.org
Title: Challenge of UFOs
Link:https://www.nicap.org/books/coufo/partI/chI.htm
4.
Source: nicap.org
Link:https://www.nicap.org/bluebook/bluelist.htm
5.
Source: nicap.org
Title: UF O Report
Link:https://www.nicap.org/581026lochravendam_dir.htm
6.
Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/lochravendam.htm
Source snippet
UFOs at close sight: The Loch Raven Dam case, 1958...
7.
Source: isaackoi.com
Title: 19581026 loch raven dam incident
Link:https://isaackoi.com/ufo-history/ufo/19581026-loch-raven-dam-incident/
Source snippet
Isaac Koi Archive1958.1026 Loch Raven Dam incident | Isaac Koi Archive...
8.
Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/bluebooku58.htm
Additional References
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Source: archives.gov
Link:https://www.archives.gov/research/catalog/catalog-bulk-downloads/uap-bulk-download
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April 24, 2025 — STILL PICTURES AND PHOTOGRAPHS UAP RELATED RECORDS Level of Description | Title | Link to Metadata | Link to Full Zip...
Published: April 24, 2025
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Source: zestythings.com
Title: ufos loch raven ufo history
Link:https://zestythings.com/ufos-loch-raven-ufo-history/
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The Loch Raven UFO History: Loch Raven Reservoir - Zesty ThingsDecember 20, 2025 — THE LOCH RAVEN UFO HISTORY: LOCH RAVEN RESERVOIR Last...
Published: December 20, 2025
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Source: youtube.com
Title: Project Blue Book’s 10 Scariest UFO Files: Cases They Couldn’t Explain
Link:https://www.youtube.com/watch?v=xkuIfufB1Lc
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Policeman Lonnie Zamora in 3 interviews (1964, ‘74 & '96) talks witnessing a landed UFO in Soccoro...
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Source: ufoinsight.com
Title: UFO Insight The “Forgotten” UFO Incidents Of The Loch Raven Dam
Link:https://www.ufoinsight.com/ufos/sightings/ufo-incidents-loch-raven-dam
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UFO InsightThe “Forgotten” UFO Incidents Of The Loch Raven Dam - UFO Insight...
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Link:https://www.youtube.com/watch?v=A2fIv0utIlA
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The Best Documented UFO Case: Lonnie Zamora | blameitonjorge...
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Title: The Best Documented UFO Case: Lonnie Zamora | blameitonjorge
Link:https://www.youtube.com/watch?v=eZRu3Ao6zK8
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Loch Raven Dam UFO incident 1958 The 1958 Loch Raven Dam UFO Sighting Street of Silence...
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Loch Raven Incident: Maryland's Most Chilling Unsolved UFO Encounter - George D Goodrich, IV, Christine Goodrich - Google BooksApril 12...
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Title: File:Project Blue Book report 1958 12 7203937 AtlanticOcean
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