28954529.pdf

|  1. DATE - TIME GROUP | 2. LOCATION  |
| --- | --- |
|  11 May 53 12/0310Z | Seattle and Benton Washington  |
|  3. SOURCE | 10. CONCLUSION  |
|  Civilians | BALLOON  |
|  4. NUMBER OF OBJECTS | Sighting characteristic of balloon observation.  |
|  One |   |
|  5. LENGTH OF OBSERVATION | 11. BRIEF SUMMARY AND ANALYSIS  |
|  Not Reported | Round, white object was observed through a four power telescope shifting back and forth, disappearing over the horizon. One observer stated that the object was at 10,000 ft and other estimated the objects altitude as 20,000 ft. High altitude balloons were r…

#4
U.S.A.-MATS
M
UNCLASSIFIED
IR-323-53

Unidentified Flying Object Near Renton, Washington
Flight Service, MATS, 3800 Newark Street, N. W., Washington 25, D. C.

State of Washington, USA

13 March 1953
11 May 1953
F-2
Civilian observers of Seattle and Renton, Washington

Teralspe FLYOBRT 120500Z May submitted by McChord Flight Service Center

Report contains information on the sighting of an unidentified flying object in the vicinity of Seattle and Renton, Washington.

GERALD E. TYLER
Major, USAF
Intelligence Officer

DOWNGRADED AT 3 YEAR INTERVALS:
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.1…

UNCLASSIFIED
UNCLASSIFIED
Flight Service, MARS
3800 Newark Street, N.W.
Washington 25, D.C.
IB-323-53
2
2

1. Date of sighting: 11 May 1953
2. Time of sighting: 1910PST - 7:00
3. Place of sighting: Seattle and Renton, Washington
4. Weather at the time of sighting: Clear, visibility 15 miles. Winds aloft 10,000 feet 20° 30 knots, 20,000 feet 360° 40 knots.
5. Witnesses: Mr. (street address unknown) Seattle, Washington, telephone
Mr. Renton, Washington, telephone
6. Type of sighting: Ground observation. Object was viewed through a four power telescope.
7. Object sighted:
a. Number - one
b. Shape…