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ACUFO is my comprehensive catalog of cases of encounters between aircraft and UFOs, whether they are "explained" or "unexplained".

The ACUFO catalog is made of case files with a case number, summary, quantitative information (date, location, number of witnesses...), classifications, all sources mentioning the case with their references, a discussion of the case in order to evaluate its causes, and a history of the changes made to the file.

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Ploesti, Romania, on August 1, 1944:

Case number:



Ufology sources in the 2000's indicate that in "Strange Company - Military Encounters with UFOs in World War II", the 2007 book by Keith Chester, there is mention of a case on August 1, 1944, in Ploesti, Rumania.

The sighting is described only as a "yellow object traveling several times the speed of an aircraft."


Temporal data:

Date: August 1, 1944
Time: ?
Duration: ?
First known report date: 2007
Reporting delay: Days, 6 decades.

Geographical data:

Country: Romania
State/Department: Valachia
City: Ploesti

Witnesses data:

Number of alleged witnesses: ?
Number of known witnesses: ?
Number of named witnesses: 0

Ufology data:

Reporting channel: UFO book Keith Chester.
Visibility conditions: ?
UFO observed: Yes.
UFO arrival observed: ?
UFO departure observed: ?
UFO action:
Witnesses action:
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: ?
Witnesses interpretation: ?


Sensors: [X] Visual: ?
[ ] Airborne radar:
[ ] Directional ground radar:
[ ] Height finder ground radar:
[ ] Photo:
[ ] Film/video:
[ ] EM Effects:
[ ] Failures:
[ ] Damages:
Hynek: ?
Armed / unarmed: ?
Reliability 1-3: 1
Strangeness 1-3: 2
ACUFO: Totally insufficient information, possible meteor.


[Ref. lhh1:] LARRY HATCH:

500: 1944/08/00 13:00 1 26:01:00 E 44:57:00 N 3211 EEU ROM PRH 6:6
Ref# 24 NICAP: UFO INVESTIGATOR Volume 4 Issue 12: OIL & COAL



ROMANIA, Ploiesti

The Vega oil refinery had just been destroyed by a bombing, when, late in the afternoon, an elongated yellow object came flying over the devastated region. The UFO was not luminous and left a sort of whitish trail behind it. According to witnesses, the object was moving four times faster than the planes they were used to seeing above the city. For 15 minutes various witnesses including engineers Farmacke and Zmeuranu saw this UFO circle the disaster area then leave in its direction of arrival. (Michel BOUGARD: "The UFO chronicle" – Delarge 1977 - p. 266-267)

(Ref. nip1:) "THE NICAP WEBSITE":

(1944) Aug. 1, 1944; Ploesti, Rumania

Yellow object traveling several times the speed of an aircraft. (Page 71 Ref. 1)

The reference 1 is described at the end of the document as "Strange Company (2007), Keith Chester".


Date: Aug. 1, 1944

Location: Ploesti, Rumania


Summary: Yellow object traveling several times the speed of an aircraft.

Page 71 Ref.1

Aircraft information:

No information on an involved aircraft is given.

It is not certain that the sighting took place from an aircraft. This is nevertheless plausible, since the Ploesti oil installations were being bombed at that time by the American air forces during the day and the British air forces at night.



Totally insufficient information, possible meteor, for example.


Totally insufficient information, possible meteor.

Sources references:

* = Source is available to me.
? = Source I am told about but could not get so far. Help needed.

File history:


Main author: Patrick Gross
Contributors: None
Reviewers: None
Editor: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross October 25, 2023 Creation, [nip1], [tai1].
1.0 Patrick Gross October 25, 2023 First published.
1.1 Patrick Gross April 24, 2024 Additions [lhh1], [gvo1].

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This page was last updated on April 24, 2024.