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Search the archive Search all Documents Names Footage Similar Official reports, hearing transcripts, case files and releases: the paper behind the cases. 2,872 documents, 2,610 mirrored with their text, 53,529 pages indexed, so a search reads inside them and lands on the page.
New in the library The PURSUE files The Department of War's UAP release, mirrored in full: the videos, recordings and images, each beside its case file. Browse the release → Documents matching “no sound” 406 records · page 2
p. 5 …details - none.
8. Tail, trail, or exhaust - none.
h. Sound - none
1. Pertinent or unusual features - none.
2. Description of… …I could see no wings supporting the object.
The object was cigar shaped and seemed to be about…
p. 1 CLASSIFICATION
# CENTRAL INTELLIGENCE AGENCY INFORMATION FROM FOREIGN DOCUMENTS OR RADIO BROADCASTS
nEPORT NO . 00-W-29745
CD NO .
COUNTRY Sweden… p. 3 …When it passed under the wing of the DC-3 , I could no longer see it. The mechanic, who was… p. 5 …To be sure, no Swedish balloons have been sent up, but propaganda and weather balloons have been sent up from… 1 more page mentions it p. 8 …of the footage having a deep blue background and no sound track. The last frame of this loose portion is… p. 9 …of the footage having a deep blue background and no sound track. The last frame of this loose portion is… p. 22 …No sound ; objects had a purported "whoosh" sound
UNCLASSIFIED
DOWNGRADED AT 3 YEAR INTERVALS: DECLASSIFIED AFTER 12 YEARS. DOD DIR… 1 more page mentions it p. 1 …I do not recall any sound associated with what I saw. Also,
there were no exhaust trails coming from either… p. 2 …Again, I don’t recall there being any sound
associated with any of this. My partner and I decided to… p. 32 …Private Pilot's License, No . (Single Engine, Land). Subject averred he has extensively studied electronics, sound engineering and aeronautics, and… p. 33 …stated that there were no protrusions on this object and as it went by he listened for a sound of… p. 6 …There was no audible sound .
We of course call it our flying saucer, but it was never oval, and never… p. 29 …The clicking sound might not have been unusual to the dog, but there is a possibility of sounds on wave… p. 62 …On no occasion has sound been associated directly with the phenomenon, but unexplained-sounds have been reported from Los Ilanos… 5 more pages mention it In October 2024, at approximately 1851 local time in the northeastern United States, an eyewitness observed a light source below the horizon, hovering above a pond at an estimated distance of 2,700 feet. The luminous object resembled a “plasma-like sphere” intermittently changing shape and luminosity. At times, the primary light source appeared to separate into smaller luminous points. A luminous point below the primary source hovered just above the water and did not appear consistent with a surface reflection. The object remained generally stationary for approximately 45 minutes before disappearing. The eyewitness did not hear any sound from the objects. This video was captured by a private citizen on an iPhone and subsequently analyzed and authenticated by the U.S. Government. To protect the individual’s privacy, the footage has been cropped. Apart from this privacy-protective measure, no edits, enhancements, or alterations have been made to the visual content.
The description above is derived from statements provided to the Federal Bureau of Investigation (FBI) by an eyewitness to the event. The FBI assesses the individual who reported this event as highly credible. The subject matter described in files FBI-UAP-D004 through FBI-UAP-D008 and depicted in the video footage FBI-UAP-PR001 through FBI-UAP-PR003 corresponds to reports originating from the same general area in the northeastern United States.
p. 1 …There was no paii iculai·
sound heai·d with it. All seemed quiet and it was pretty remote. I would… p. 3 …As for the color changes and the fluctuating contours of the sounding balloon when seen from the earth, as the… p. 1 …25 Oct 1954
WHERE PUBLISHED As Indicated
NO . OF PAGES 3
DATE
PUBLISHED 5 Jul-2 Sep 1954
LANGUAGE Various… p. 4 …His magnetic compass reacted normally, there was no interference with his radio. Be heard no sounds , noticed no odors, and… p. 6 …Jensen heard no sound from the object, noticed no odor, and saw no exhaust streaks in the air.
PAUL YIBALA… p. 7 …Johnson heard no sound from the object, noticed no and now no external strokes.
CRADED AT 3 YEAR INTERT
CLASSIFIED… p. 2 …And, because of
the absence of such evidence, we have not been able to devise a
sound scientific procedure for… p. 1 …INCIDENTALLY, DAVIDSON IS NO X NO FOOL AND IT APPEARS THAT ATIC IS TREATING HIM AS ONE IF THEY THINK… …The force that the said apparatus can develop can be compared
only with THOUGHT since this has no …
p. 1 …There is no aircraft flying in the area (unintelligible due to
radio crosstalk).
00:32: Speaker: This has been flying… p. 6 …reported sound obSe't'"•
vation. f'e use this symbol: n c11·cle is a report, whether or not the… p. 23 …And
we tried desperately to get confirming evidence ,menever sounds were men..
tioned. No reports ~ve been obtained.
Dr. Teller… p. 25 …and assuming that they have heard no sound from this, they
ought to be ab:te to work an upper… 4 more pages mention it p. 6 …reported sound obSe't'"•
vation. f'e use this symbol: n c11·cle is a report, whether or not the… p. 23 …And
we tried desperately to get confirming evidence ,menever sounds were men..
tioned. No reports ~ve been obtained.
Dr. Teller… p. 25 …and assuming that they have heard no sound from this, they
ought to be ab:te to work an upper… 4 more pages mention it …THE "SOUND -PROOFED CONFERENCE ROOM" WAS A CONVENIENT CONFERENCE ROOM ON THIS FIRST FLOOR OF THE COURT HOUSE…
p. 3 …They left no smoke. The weather was clear and visibility perfect.
## NEAR EAST/AFRICA
## Algeria
FLYING ORJECT REPORTED OVER THREE… p. 4 …They left no smoke. The weather was clear and visibility perfect.
## NEAR EAST/AFRICA
Algeria
FLYING OBJECT REPORTED OVER THREE… p. 1 …NO NAME IS SAID TO HAVE A TOP SPEED OF MACH 8, OR EIGHT TIMES THE SPEED OF SOUND . IT… <div align="center">
# INFORMATION FROM FOREIGN DOCUMENTS OR RADIO BROADCASTS
</div>
REPORT NO . 00 -W-23682
CD NO …
<div align="center">
# INFORMATION FROM FOREIGN DOCUMENTS OR RADIO BROADCASTS
</div>
REPORT NO . 00 -W-23682
CD NO …
<div align="center">
# INFORMATION FROM FOREIGN DOCUMENTS OR RADIO BROADCASTS
</div>
REPORT NO . 00 -W-23682
CD NO …
…2204(a)
FOLDER TITLE:
03/06/1998 -03/20/1998
DOCUMENT NO .
AND TYPE
Pl National Security Classified…
p. 1 INQUIRE=DOC17D
ITEM NO =00068039
ENVELOPE
CDSN = LGX572 MCN = 92042/12935 TOR = 920420826
PTTUZYUW RUEKJCS2305 0420824-UUUU--RUEALGX.
ZNR UUUUU… p. 21 …Sounds and vibrations we've commented on.
3.50 COMMUNICATIONS
ARMSTRONG Communications with the ground for the go/no -go… p. 24 …It sounded as if we got shortchanged in oxygen tank number 1. I'm not sure if that's true… p. 128 …No problem with the landing gear and there was no question about that one.
We were expecting two distinct sounds … 3 more pages mention it p. 1 …Less than 100 reasonably credible reports remain "unexplainable" at this time; regarding these reports, there is no pattern of specific… p. 1 …sky and the sounds of jet engines similar to jet fighters. Cross-tell with FAA revealed no jet aircraft within… p. 11 …A separate report of each incident will be forwarded. No information other than that bearing on the unconventional aircraft will… p. 35 …to Vertical Color Train or Trail Duration of Observation Sound Shape Apparent Size Apparent Speed Lunar Disc
5 1946/24… p. 131 …It made no sound . Lt. KUHN stated that at the time he observed this, there were no clouds in the… 7 more pages mention it p. 1 …Interest in and timely review of UFO
reports by private groups ensures that sound evidence is not overlooked by the… p. 2 …Still, there was no sound .
# What is a humanoid?
The term is anthropological, indicating a creature with some, but not… p. 3 …Betty, now nearly 200 feet away, was screaming at him from the car, but Barney has no recollection of hearing… p. 17 …The Hills had no ulterior motives to create such a story. They had confined their experience to a small group… 2 more pages mention it p. 83 …Sound - No sound was reported in conjunction with either incident.
k. Remarks - In each case, reports indicated that the objects… p. 103 …7) Maneuverability: No deviation from course
(8) Altitude: From 6° above horizon to 45° above
(9) Sound : None
(10) Exhaust… p. 106 …60° E
(7) Maneuverability: No deviation
(8) Altitude: 4 when first seen--dropped vertically
(9) Sound : None
(10) Exhaust trail… 8 more pages mention it p. 1 …No sound . Object flew over airport. Speed erratic Slow speeds, no smoke. Parid speed smoke became black, and control appeared… p. 6 …The object made no sound whatever and it proceeded South. After travelling in this direction for 3 minutes it made… p. 1 …As this happened Robert recalls smelling
an acrid smell and hearing a distinct hissing sound before losing consciousness.
After a… …The Power Authority could not hear any sound comming from
the object. The object could not be identifijed…
p. 14 …None (sound covered by nollceptors at MCAF, Santa Ana)
i. Kona
## 2. Desorption of a chemical object
a. Reflection of… p. 29 …30 feet in diameter and about eight feet thick."
## 'NO SOUND '
Heflin said it was visible for about 15 seconds… p. 35 …It was visible for 15 seconds, he said, and made no sound . There was, he said, of white light rotating… 3 more pages mention it p. 2 …The unknown apparatus emitted a white trail of smoke and made no sound . It drew near, described a parabola in… p. 2 …Aside from this, no further action is required by CIA until the Air Force draft news release is forwarded to… p. 5 …There was no sound . The light was travelling faster than an
aircraft, but slower than a shooting star. It kept… p. 5 …There was no sound . The light was travelling faster than an
aircraft, but slower than a shooting star. It kept… p. 4 …He was late in doing this, and no doubt we were passing through some restricted area where such instructions must… p. 1 …The object was complet ely motion less and no sound could be heard
comi ng from i t. All f… p. 9 …Jensen heard no sound from the object, noticed no odor, and saw no exhaust streaks in the air.
PAIL KUBALA… p. 10 …Johnson heard no sound from the object, noticed no odor, and saw no exhaust strokes.
please
PAUL KURALA
Major, 1954… p. 12 …He did, however, notice that there was no sound from the object at any time, no odor and no exhaust… 1 more page mentions it p. 1 …As it stands now, important, well-witnessed sightings are being made every month, and there is no longer a lengthy… p. 31 …This glowing light made no sound , traveled about twice the speed of a conventional aircraft and flew from north to… p. 3 …There was no sound , such as an explosion, associated with the phenomenon. (Field Comment: Source had no opinion as to… …It was approximately 8:30 PM., a dark clear night, no moon with many bright stars in evidence…
p. 16 vbV~r IDENTIAL
lnoident
No . Color Sha.pc Size Sound
30& Amber Round or oval C-47 airplane Jliono
!Ob… p. 17 …No
audible sound
beai-d 11h11e
object va1 1n
Yiev.
Aluaim"- Round 3 tt. diameter lot atate4"1
~2 OH… p. 19 …30 tt d1aaeter
sounc1
lone
69 White lot 1tated Not stated Bussing sound .
70 Not stated Giant til'e cracker… 3 more pages mention it p. 2 …Such timely review of the situation
by private groups insures that sound evidence will not be overlooked
by the scientific…