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1958 · Loch Raven Reservoir bridge, Route 146, near Baltimore, Maryland

Loch Raven Reservoir car-stall case (26 October 1958)

Sourced, unconfirmed
Strength C · 6/10
Evidence 2/4 · Witnesses 2/3 · Backing 2/3

Two named witnesses, a car stall and medically treated burns in a Blue Book file that Hynek wrote up.

Plausibility High
Score 14 · 10 factors for, 0 against

Two named men reported a close object, a stalled car and burns that were treated; Blue Book and Hynek took it seriously.

See the factors ↓

Unexplained
A 100-ft egg-shaped object hovering over the Loch Raven bridge above the witnesses' stalled car, as Alvin Cohen and Philip Small describe it (26 October 1958). · Illustration for uaptrail.com
When26 October 1958, about 22:30
WhereLoch Raven Reservoir bridge, Route 146, near Baltimore, Maryland

On the night of 26 October 1958 two men driving across the Loch Raven Reservoir bridge near Baltimore saw a 100-ft egg-shaped object hovering over the bridge. Their car stalled and its lights went out; after they got out, a flash of light made their faces hot, there was a dull explosion and the object shot straight up. Both were treated for burns. The case is in Blue Book and J. Allen Hynek wrote it up in The UFO Experience. Gerb raises it as context for Harland Bentley's Nike-site account the same year.

How plausible · High

Two named men reported a close object, a stalled car and burns that were treated; Blue Book and Hynek took it seriously.

  • ●●
    Access At 75 ft.
  • ●●
    No gain sought Nothing to gain.
  • ●●
    Checkable details check out Blue Book file; Hynek's write-up.
  • ●●
    Fits the documented skeleton Car-stall and EM effects match the classic pattern.
  • ●○
    Cost of speaking Named and reported to the authorities.
  • ●○
    Consistent over time Both men agree.

Plausibility weighs how well an account fits where secrecy hides the documents by design, so missing records never count against it. Strength measures what is documented. Assessed 2026-10-24.

On the record

  • The Blue Book file; Hynek, The UFO Experience (1972).Blue Book

Claims

Driving on Route 146, Alvin Cohen and Philip Small saw a 100-ft egg-shaped object hover 100-150 ft over the Loch Raven bridge; within 75 ft their car stalled and the dash lights went out.firsthandSourced, unconfirmedAlvin Cohen and Philip Small (Blue Book file)
After 30-45 s a white light made their faces hot, they heard a dull explosion and the object rose vertically and vanished in 5-10 s.firsthandSourced, unconfirmedAlvin Cohen and Philip Small (Blue Book file)
The men were treated for sunburn-like burns on exposed skin.firsthandSourced, unconfirmedBlue Book file; Hynek, The UFO Experience
The site is 3.5 mi from a Nike Ajax missile site, the same year as Bentley's and the W-93 accounts.W-93 1958UFO Whistleblowers [Vol.2]analysisLeadUAP Gerb (Sam)

Connected cases

Sources

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