March 10, 1950 — seven witnesses watch a 300-foot ovoid depart straight up over Phoenix, Arizona, trailing fire but no contrail.
THINK ABOUTIT UFO|UAP SIGHTINGS REPORT
1950: The Phoenix, Arizona Ovoid Sighting
Seven witnesses on Phoenix‘s southeast side watched a 300-foot aluminum ovoid hang motionless at 40,000 feet, trailing a 100-foot streak of red fire with no condensation trail behind it — then shoot straight up and vanish in under five seconds.
Date: March 10, 1950
Sighting Time: 6:00 p.m.
Day/Night: Day (dusk)
Location: Southeast Phoenix, near Indian School Road, Arizona
Urban or Rural: Suburban/desert edge
No. of Entity(‘s): Not Applicable
Entity Type: Not Applicable
Entity Description: Not Applicable
Hynek Classification: DD (Daylight Disc — ovoid variant)
Duration: Several minutes hovering, then 4-5 seconds for the departure
No. of Object(s): 1
Description of the Object(s): Oval/ovoid, aluminum-colored, tapering to narrow proportions at the rear; trailed a red fire streak about 100 ft long during departure with no condensation trail
Shape of Object(s): Oval, tapered at the rear
Size of Object(s): Approximately 200-300 ft in diameter (estimates vary within the source between these figures)
Color of Object(s): Aluminum/metallic, with a red fire trail during departure
Distance to Object(s): Not specified beyond its 40,000 ft altitude
Height & Speed: Held stationary at 40,000 ft before departing straight upward at a speed sufficient to be gone from sight in 4-5 seconds
Number of Witnesses: 7
Special Features/Characteristics: Extreme High Altitude (40,000 ft), Large Estimated Size, Stationary Hover Before Departure, Fire Trail With No Condensation Trail, Vertical Departure, Multiple Witnesses
Case Status: Unexplained
Source: Loren E. Gross, UFOs: A History, 1950: January-March, Author, Fremont, 1983
Summary/Description: On the evening of March 10, 1950, seven witnesses in southeast Phoenix, near Indian School Road, saw an oval, aluminum-colored object hanging motionless in the sky at an estimated 40,000 ft altitude, roughly 200-300 ft in diameter and tapering to narrow proportions toward the rear. After holding its position for several minutes, the object departed straight upward, trailing a red fire streak roughly 100 ft long with no accompanying condensation trail, and was gone from sight within four to five seconds.
Related Cases: Not Applicable
Detailed Report
Two details in this account are hardest to reconcile with a conventional explanation. First, the object’s size and altitude combination: an object estimated at hundreds of feet across, hanging stationary at 40,000 ft, is well beyond both the operating altitude and the visible-from-the-ground size of any aircraft flying in 1950. Second, the departure’s fire trail without a condensation trail is a specific negative observation — witnesses at extreme altitude in appropriate atmospheric conditions would typically expect a contrail from any conventional jet or rocket exhaust, and its explicit absence here, combined with the presence of a visible flame trail, describes a departure signature unlike period aircraft or missile technology.
Seven independent witnesses watching the same stationary object for several minutes substantially reduces the likelihood of simple individual misperception, though it does not rule out a shared misidentification of some genuine but conventional high-altitude phenomenon (a research balloon catching evening light, for instance) — no source consulted for this report proposes or rules out such a candidate specifically.
This sighting occurred the same evening as this archive’s second Norwood, Ohio Berger searchlight incident of the month, though the two events are geographically unconnected and share no documented relationship beyond calendar coincidence.
RESEARCHER’S NOTES
The Phoenix Ovoid — Arizona 1950 and the Fire Trail Without a Contrail
- Classification issues/corrections: Filed as DD given the dusk timing and disc-adjacent (ovoid) shape; the size estimate varies between 200 and 300 ft within the source itself, and both figures are preserved here rather than resolved to one.
- Source chain assessment: Documented in Loren E. Gross’s UFOs: A History compilation for early 1950, a secondary source drawing on period reports; the level of specific detail (exact altitude, size, trail length, departure duration) suggests derivation from a contemporary news account or investigation report.
- Pattern context/comparative cases: Large, high-altitude, stationary-then-departing objects with unusual exhaust signatures form a recognizable subtype within this archive’s 1949-1950 record, though no other specific case shares this exact combination of size, altitude, and fire-trail-without-contrail detail.
- Physical evidence/evidentiary weight: No photograph is documented, but the seven-witness count and the specificity of the described departure signature give this case above-average evidentiary weight among the visual-only sightings in this archive’s early-1950 record.
- Geographic/historical context: Phoenix does not otherwise feature prominently in this archive’s 1949-1950 New Mexico-centric sighting clusters, making this a geographically distinct Southwestern case.
Seven people watching the same enormous, motionless object at an altitude no aircraft of the era could sustain, then watching it vanish trailing fire but no contrail — this case’s specificity is exactly what keeps it from being easily dismissed, and exactly what no conventional explanation in the available sources fully accounts for.
“Moved with red fire trail 100 feet long, no condensation trail.”
Loren E. Gross, UFOs: A History, describing the March 10, 1950 Phoenix, Arizona sighting.







