Mrs. Florence B. Pervier (Tulsa Oklahoma) and FBI Lt. Patrol-Duty Corroboration of UAP Overhead-Noise Observations, 1942–1950

Summary

This cluster is centered on a four-page handwritten letter dated February 28, 1950 from Mrs. Florence B. Pervier of 1039 N. College, Tulsa, Oklahoma, to J. Edgar Hoover, plus Pervier’s hand-drawn map of the proposed “saucer base” route, Hoover’s March 7, 1950 form-letter reply, and the internal FBI NOTE attached to that reply. The headline finding is buried inside Pervier’s own letter (page 59): when she telephoned the Tulsa FBI field office a second time to report a “terrific very quick noise” passing north-to-south over her apartment at 44 East 17th Street late at night, the agent on the phone put her on hold, then came back and told her that a Lt. of the force had been telling him of hearing the same thing a few blocks south of me at the 21st bridge while out there on patrol duty. That single sentence is FBI-internal corroboration, in writing in the case file, of a civilian witness’s UAP observation by an on-duty FBI lieutenant.

This is rare. Most of 62-HQ-83894 is one-way traffic: civilians write in, the Bureau acknowledges with a Hoover form letter, an internal NOTE summarizes the correspondent for routing, and the file closes. The Pervier letter is the only one in this section so far where the civilian witness reports being told, by an FBI agent, that another FBI agent independently observed the same phenomenon at roughly the same location and time. Whether or not the Tulsa SAC office ever formally documented the Lt.’s observation in its own paperwork is an open question (the Bureau’s reply does not address it), but Pervier’s contemporaneous claim, written within seven years of the event and addressed directly to Hoover, is itself a primary-source finding.

The 1942-era overhead-noise reports also matter for dating. Pervier places her seven years of Civil Service drafting work for the Corps of Engineers, War Department, in Tulsa, with the apartment at 44 East 17th Street as her residence during that span. By her account, the overhead noises began during this period — pre-Roswell, pre-1947 flying-disc press coverage. If accurate, this is one of the earliest civilian-witness overhead-noise reports in the file, predating the popular flying-saucer concept by several years.

The 1949 fall sighting at 1039 N. College adds a second, visually distinct event: a “very round white cloud against a grey stormy sky,” north-to-south drift, then disintegration with “envelopes or paper” falling and the round-object pieces appearing to “melt into the grey sky.” Pervier reports this to the Tulsa FBI as well.

The remainder of the letter (pages 61–63) is Pervier’s structured Soviet-attribution theory: a radar-controlled saucer base in Siberia/Korea/Mongolia, slotted-saucer construction for dispersal of “germs, chemicals ice & etc.,” tornado attribution (the Woodward double-tornado), and weather-current modification as a Russian first-strike preparation. Hoover’s March 7 reply (page 66) is a standard form acknowledgment, with an internal NOTE establishing that Pervier had previously written to Hoover (February 14 letter) to commend Mr. Hoover for his services as Director of the FBI — placing this 1950 letter inside an existing correspondent relationship.

What the Pervier Documents Document

The 1942-era overhead noises during her Corps of Engineers work

Pervier worked seven years as a Civil Service Engineering draftsman for the Corps of Engineers, War Department, in Tulsa, while living in a top-floor 3-room apartment at 44 East 17th Street (page 59). On intermittent nights at roughly the same time, she heard a “terrific very quick noise” passing overhead from north to south. The noise lasted “a second or less” and moved at a speed she could not visually track to the window. She clocked it after hearing it 4 or 5 times and put it at approximately 11:21 P.M. (page 59).

She reported it to the local FBI office and “checked all the airports. no one knew of any craft having been there at that time” (page 59). After ruling out street and building noise as sources, she called the FBI again. On that second call, the agent confirmed the FBI Lt.’s patrol-duty observation at the 21st Street bridge (see Quotes Worth Keeping below).

Pervier dates the noises to “a few weeks” before “the first word of people, seeing ‘flying saucers’” (page 59) — placing them roughly in or before the mid-1940s if anchored to the 1947 flying-disc news cycle, or earlier given her seven-year tenure with the Corps of Engineers spanning the WWII period.

The 1949 fall sighting at 1039 N. College

After moving to 1039 N. College, Pervier observed in late fall 1949 what she characterizes as a flying saucer: “a very round white cloud against a grey stormy sky (or even grey overcast sky.) It also rapidly drifted north to south and while I wondered & looked at the (cloud?) sphere I saw it disintegrate and something that looked like envelopes or paper fell toward the earth but the round objects pieces seemed to melt into the grey sky” (page 59).

She rushed to her east door to listen for any plane motor or crash sound; she heard none and again reported to the Tulsa FBI office (page 61). She notes the object was eastward against a sun-from-the-west sundown lighting condition, but could not judge distance.

Her structured Soviet-attribution theory

Pages 61–62 lay out a three-part theory that flying saucers are radar-controlled Russian craft launched from “somewhere near the eastern edge of Siberia, Korea or Mongolia, but more likely some place in Siberia” (page 61). The three sub-purposes:

• Photographic / data-collection: Saucers built round, edge-on profile, “spin like a top thru the air with slots around the saucer… Could be made to open automaticly and scatter germs, chemicals ice & etc.” (page 61). Returned data would let the Russians “have every foot of our U.S.A photographed and our vital areas spotted.”
• Weather modification: Saucers can “effect our weather current[s] that have caused our heavy storms and unusual sudden / Changes in temperatures in spotted areas over the U.S.” (pages 61–62). Pervier connects this to the Woodward, Oklahoma double-tornado as a triggering event for her theory.
• Chemical / germ / ice dispersal as biological warfare prep: The unusual recent flu and chest illness “may even be breathed from the air, & may put us into a helpless, weak or sleeping condition that will give Russia a chance to walk in and take this country intact, without ever bombing & spoiling our rich oil and industrial supplies! (Russia has never yet gotten the oil she started out for.)” (page 62).

Page 64 is the hand-drawn map: a north-arrow, a “SAUCER BASE” dot in Siberia, ALASKA labeled, the proposed flight path arcing across CANADA into the U.S., with marginal notes about “Heavier is storm area” and weather currents intersecting the path between Alaska and the U.S.A.

Pervier closes the substantive section (page 63) with the disclosure that “before World War II” she wrote unsigned letters to General George C. Marshall, President F.D.R., and Martin Dies (chair of HUAC, here misspelled “Martain Dyes”) about a recurrent three-night dream in which “the Russians, Germans, and a slant eyed people came in the S. West & marched & swarmed over our country to the North East.” She did not sign those letters because the country was close to war with Germany.

Hoover’s March 7 1950 reply and the internal NOTE

Hoover’s reply (page 66) is a four-line standard acknowledgment: “Your letter of February 28, 1950, has been received and I want to thank you for making your observation available to me. Your thoughtfulness in this connection is appreciated.”

The internal NOTE attached at the bottom is the more substantive Bureau document: “Correspondent lengthly relates her observation concerning flying saucers and advised that she believes they are of Russia origin. It is noted that in her letter of February 14, she wrote to commend Mr. Hoover for his services as Director of the FBI.” Drafter initials NJC:ai. The routing list (Tolson, Ladd, Clegg, Glavin, Nichols, Rosen, Tracy, Harbo, Mohr, Tele. Room, Nease, Gandy) is the standard Hoover-office distribution.

Page 67 is a partial duplicate / mailroom transcript fragment of the same NOTE, partly illegible, with the March 8, 1950 mail-room receipt stamps. Page 68 is the unrelated Guy Hottel “three flying saucers recovered in New Mexico” memo (March 22, 1950) — a separate document filed adjacent in the section, not part of the Pervier correspondence.

Why This Matters

1. FBI institutional self-corroboration of a civilian UAP witness is rare in primary FBI source. The Tulsa SAC’s confirmation that an on-duty FBI lieutenant heard the same overhead north-to-south phenomenon a few blocks south of Pervier at the 21st Street bridge is documentary evidence — recorded in Pervier’s own contemporaneous handwriting and accepted into the case file by the Bureau without contradiction in Hoover’s reply or the internal NOTE — of FBI agents themselves observing the phenomena.

2. Multi-year personal-witness persistence. Pervier’s experiences span roughly 1942 (during her seven years of Corps of Engineers drafting) through late fall 1949, with multiple distinct events at two different Tulsa addresses. This is not a one-time sighting; it is a sustained pattern reported repeatedly to the local field office across years.

3. The early 1940s dating. If Pervier’s seven-year Corps of Engineers tenure overlaps the WWII years (which the dating with letters to FDR and General Marshall before WWII supports), her overhead-noise observations predate Kenneth Arnold’s June 1947 sighting and the entire flying-disc news cycle by several years. The file does not contain anything that would let the Bureau verify the 1942-era dating, but the claim itself is striking.

4. Structured civilian-engineer UAP physics speculation. Pervier’s slotted-saucer construction theory (“built round and like this view from the side would have only one edge and spin like a top thru the air with slots around the saucer where I have placed the dots. Could be made to open automaticly…”) extends the category of mid-century civilian-witness UAP physics-vocabulary claims documented elsewhere in this archive, alongside Mrs. Madeline Gwynne Merchant’s 1948 cosmic-ray theory (pass 9), the Jones letter “negative gravity” speculation (pass 14), and Col. Gasser’s atomic-propulsion theory (pass 8). Pervier disclaims technical training (“I know nothing of science actually. I wish I did.”) but the theory is internally coherent and mechanism-specific.

5. Hoover form-reply pattern in primary form. The four-line March 7 reply is a useful methodological example of how the Bureau standardized civilian-correspondence acknowledgment in 1950. The substance of the case is in the internal NOTE, not the reply.

6. Pre-existing correspondent relationship with Hoover. Pervier had written Hoover on February 14, 1950 to commend his service. Her February 28 letter opens with “Your acknowledgement of my letter in regard to your excellent & faithful service, rec’d Feb. 22 here.” This pre-existing courtesy correspondence is itself a finding about how civilian UAP correspondents reached Bureau attention — flattery first, observation second, separated by two weeks.

7. Tornado attribution as theory-trigger. Pervier explicitly cites the Woodward, Oklahoma double-tornado as the moment she began theorizing Russian saucer involvement in U.S. weather. The Woodward F5 tornado of April 9, 1947 killed 116+ people; Pervier’s “two tornados” reference may also include a follow-up event. Tornado-as-Soviet-weapon attribution is a specific period-coded reasoning pattern worth tracking across the archive.

Connections

• PURSUE full inventory — section inventory page
• PURSUE master report — master release synthesis
• cuneo-jones-winchell-followup-1949 — pass 14, civilian-engineer UAP-physics speculation comparison (Jones “negative gravity”)
• project-grudge-vital-installations-1948-1949 — pass 9, Soviet-attribution thesis comparison (Mrs. Merchant cosmic-ray theory)
• oak-ridge-gasser-atomic-propulsion-1947-1949 — pass 8, civilian atomic/propulsion speculation
• UAP disclosure (concept)

Open Questions

• Did the Tulsa SAC office maintain a file on the FBI Lt.’s patrol-duty observation at the 21st Street bridge? Nothing in this section answers it. The Lt. is unnamed; no follow-up internal memo on the corroboration is included in the cluster. Worth checking whether the Tulsa field office had a parallel local file that fed up to HQ separately.
• Did the Bureau verify or chase Pervier’s 1942-era dating? Hoover’s reply does not address it. The NOTE summarizes her theory but says nothing about the corroboration claim.
• Did Pervier’s pre-WWII unsigned letters to Marshall, FDR, and Martin Dies survive in any other archive? Pervier herself notes “I mailed them from Tulsa, so you might have heard of this happening at that time” — suggesting she expected the Bureau to recognize the prior correspondence.
• Who is “NJC” (the NOTE drafter)? Initials worth correlating against other 62-HQ-83894 internal notes from the same week to identify a specific HQ desk.
• Did the Bureau take any action beyond the form-letter reply? No follow-up correspondence with Pervier is in this cluster. The 73 / APR 3 1950 / MAD 6 marginalia on page 66 is opaque; may indicate later cross-referencing.
• Was the “21st bridge” the 21st Street bridge over the Arkansas River in Tulsa? That bridge is approximately 4 blocks south of 44 East 17th Street, consistent with Pervier’s “few blocks south of me” geography. Worth confirming for any future site-research.

Quotes Worth Keeping

The corroboration sentence (page 59), the load-bearing finding of the cluster:

“The second time I called the F.B.I. the party at the other end, said wait a moment;- soon he said, a Lt. of the force had been telling him of hearing the same thing a few blocks south of me at the 21st bridge while out there on patrol duty!”

The 1942-era overhead-noise description (page 59):

“For a number of intermittent nights at about the same time, I would hear a terrific very quick noise over the four unit apartment Bldg. at 44 East 17th St. where I had a small 3 roomed apartment on the top floor. The noise only lasted a second or less, and always traveled north to south.”

The 1949 fall sighting (page 59):

“a flying saucer must have been what I saw that looked like a very round white cloud against a grey stormy sky… It also rapidly drifted north to south and while I wondered & looked at the (cloud?) sphere I saw it disintegrate and something that looked like envelopes or paper fell toward the earth but the round objects pieces seemed to melt into the grey sky.”

The slotted-saucer engineering speculation (page 61):

“No doubt the ‘saucers’ are built round and like this view from the side would have only one edge and spin like a top thru the air with slots around the saucer where I have placed the dots. Could be made to open automaticly and scatter germs, chemicals ice & etc.”

Pervier’s epistemic disclaimer (page 63):

“I would appreciate hearing your opinion on the above scientific possibility mentioned. I know nothing of science actually. I wish I did.”

The Hoover form reply (page 66):

“Your letter of February 28, 1950, has been received and I want to thank you for making your observation available to me. Your thoughtfulness in this connection is appreciated.”

The internal NOTE at the bottom of the same page (page 66):

“Correspondent lengthly relates her observation concerning flying saucers and advised that she believes they are of Russia origin. It is noted that in her letter of February 14, she wrote to commend Mr. Hoover for his services as Director of the FBI.”