February 27, 1950 — a private pilot's 15-minute, close-range observation of a discus-shaped object near Coulterville, Illinois.
THINK ABOUTIT UFO|UAP SIGHTINGS REPORT
1950: The Coulterville, Illinois Pilot Sighting
A private pilot flying home with his wife climbed to match altitude with a strange discus-shaped object and watched it maneuver for a full fifteen minutes, at times as close as half a mile away — long enough to rule out a fleeting misperception, and detailed enough that his own written statement survives in the Blue Book files.
Date: February 27, 1950
Sighting Time: Approximately 7:00 a.m.
Day/Night: Day
Location: Near Coulterville, Illinois (witness was flying from Wood River to DuQuoin, Illinois)
Urban or Rural: Rural (aerial)
No. of Entity(‘s): Not Applicable
Entity Type: Not Applicable
Entity Description: Not Applicable
Hynek Classification: DD (Daylight Disc)
Duration: Approximately 15 minutes
No. of Object(s): 1
Description of the Object(s): Discus-shaped, highly metallic shine, no visible markings, breaks, windows, or rotors; no flames, smoke, or vapor trails observed
Shape of Object(s): Discus-shaped, tilting in the direction of intended movement with no distinguishable front or rear
Size of Object(s): Approximately 60 ft in diameter, 10 ft thick at the center, thinning toward the edges
Color of Object(s): Highly metallic, reflective
Distance to Object(s): As close as approximately half a mile at points during the sighting
Height & Speed: Witness climbed his PT-19 aircraft to 5,000 ft to match the object’s altitude; the object made several turns both left and right and moved up and down, highly maneuverable, with no visible means of propulsion
Number of Witnesses: 2 (the pilot, name redacted in the surviving record, and his wife)
Special Features/Characteristics: Pilot Actively Climbed to Match Altitude, Extended 15-Minute Duration, Close-Range Observation (Half Mile), No Visible Propulsion Method, Original Statement Preserved in National Archives
Case Status: Unexplained
Source: NARA-PBB90-1159; Fran Ridge
Summary/Description: A private pilot from DuQuoin, Illinois, flying a PT-19 aircraft with his wife from Wood River back to DuQuoin, noticed what he first took to be another aircraft near Coulterville, Illinois. He climbed to 5,000 ft to bring his own plane to the same level as the object, which he then described as discus-shaped: approximately 60 ft in diameter, 10 ft thick at the center and thinning toward the edges, with a high metallic shine and no visible markings, breaks, windows, or rotor mechanisms. He observed no flames, smoke, or vapor trails. The object appeared highly maneuverable, executing several turns both left and right and moving up and down; it tilted in the direction it intended to move, though the pilot could not distinguish any front or rear to the craft, nor any visible means of propulsion. He kept the object in view for approximately 15 minutes, at one point coming as close as half a mile to it.
Related Cases: Not Applicable
Detailed Report
The pilot’s decision to actively close the distance — climbing to match the object’s altitude rather than simply watching from below — is what elevates this case above a typical fleeting sighting. Fifteen minutes of continuous observation, at ranges as close as half a mile, gave the witness time to note specific structural details (the absence of visible windows, seams, or a rotor mechanism; the lack of any exhaust or propulsion signature) that a brief glimpse could not have supported.
The described tilting-toward-direction-of-travel behavior, combined with the witness’s specific inability to identify a front or rear to the object, suggests either an unfamiliar aerodynamic profile or a craft whose visible geometry did not correspond to any conventional aircraft configuration the pilot — evidently experienced enough to fly a PT-19 trainer — would have recognized.
The original statement’s preservation in the National Archives (NARA-PBB90-1159) as part of the Project Blue Book records gives this case a documentary basis beyond secondhand retelling, though the witness’s name is redacted in the source consulted for this report.
RESEARCHER’S NOTES
The Coulterville Sighting — Illinois 1950 and the Value of Closing the Distance
- Classification issues/corrections: Filed as DD given the daytime timing and disc shape; no entity or landing is claimed, and the encounter remained aerial and visual throughout.
- Source chain assessment: Preserved as an original Blue Book statement in the National Archives (NARA-PBB90-1159), compiled by researcher Fran Ridge — a primary-document source rather than a later retelling, though the witness’s identity is redacted in the version consulted for this report.
- Pattern context/comparative cases: Pilot-pursuit cases with active altitude-matching, as seen here and in this archive’s January 1950 Blackstone, Virginia case, form a small but notable subset of sightings distinguished by the witness’s deliberate effort to close distance rather than passively observe.
- Physical evidence/evidentiary weight: No photograph exists, but the preserved original written statement and the sustained, close-range, 15-minute observation period give this case above-average evidentiary weight among single-witness-pair sightings in this archive.
- Geographic/historical context: Coulterville sits in southern Illinois, outside this archive’s usual New Mexico/nuclear-site sighting clusters, making this a geographically independent case from the broader early-1950 pattern.
Most witnesses in this archive describe what passed overhead; this pilot flew toward it instead, and kept it in sight for a quarter of an hour at close range. That deliberate pursuit, preserved in his own written statement, is what makes this case worth remembering.
“He could not distinguish any front or rear of the object.”
From the pilot’s original statement, NARA-PBB90-1159, describing the February 27, 1950 Coulterville, Illinois sighting.
