28939090.pdf

|  1. DATE | 2. LOCATION | 12. CONCLUSIONS  |
| --- | --- | --- |
|  21 - 22 Feb 51 | Sakhalin, Japan | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon  |
|  3. DATE-TIME GROUP Local Night GMT | 4. TYPE OF OBSERVATION ☐ Ground-Visual ☑ Ground-Radar ☐ Air-Visual ☐ Air-Intercept Radar | ☑ Was Aircraft ☐ Probably Aircraft ☐ Possibly Aircraft  |
|  5. PHOTOS ☐ Yes ☑ No | 6. SOURCE Military | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical  |
|  7. LENGTH OF OBSERVATION N/A | 8. NUMBER OF OBJECTS 1 or 2 each track | 9. COURSE Varied  |
|  10. BRIEF SUMMARY OF SIGHTING 10 Trac…

98
JAPAN
OI-ERAC-10-51
AIR INTELLIGENCE INFORMATION REPORT
SUBJECT
USSR Air Activity
AREA REPORTED ON
Southern SAKHALIN
DATE OF REPORT
26 February 1951
DATE OF INFORMATION
21 - 22 Feb 51
FROM (Agency)
D/I, Hq 314th Air Division
EVALUATION
B-2
PREPARED BY (Officer)
Major S. L. Miller
SOURCE
WAKKANAI Radar Site (45/35N - 141/39E)
REFERENCES (Control number, directive, previous report, etc., as applicable)
SUMMARY: (Enter concise summary of report. Give significance in final one-sentence paragraph. List inclosures at lower left. Begin text of report on AF Form 112 - Part II.)
1. Report lists rada…

APPROVED 1 JUNE 1948
(CLASSIFICATION)
AIR INTELLIGENCE INFORMATION REPORT

|  FROM (Agency) | D/I, Hq, 314th Air Division | REPORT NO. | OI-BRAC-10-51 | PAGE 1 OF 3 PAGES  |
| --- | --- | --- | --- | --- |

21 February 1951:

|  Track #1 | 1249/I | 47/04N - 141/49E | 1 acft - speed 200 mph  |
| --- | --- | --- | --- |
|   | 1251/I | 47/00N - 141/55E |   |
|   | 1253/I | 46/55N - 142/00E |   |
|   | 1255/I | 46/00N - 142/07E |   |
|   | 1257/I | 47/02N - 142/14E |   |
|   | 1259/I | 47/05N - 142/20E |   |
|  Track #2 | 1309/I | 46/50N - 143/04E | 2 acft - speed 475 mph  |
|   | 1311/I | 46/54N …

AF FORM 112—PART II
APPROVED 1 JUNE 1948
(CLASSIFICATION)
3
AIR INTELLIGENCE INFORMATION REPORT

|  D/I, Hq, 314th Air Division | REPORT NO. 01-ERAC-10-51 | PAGE 2 OF 3 PAGES  |
| --- | --- | --- |

21 February 1951:

Track #8
Cont'd - 1923/I 46/39N - 142/41E

Track #9
1943/I 46/54N - 142/08E 2 acft - speed 200 mph
1945/I 46/58N - 142/10E
1947/I 46/56N - 142/00E
1949/I 46/54N - 142/01E

Track #10
2009/I 46/51N - 141/47E 1 acft - speed 350 mph
2012/I 46/57N - 142/09E
2014/I 47/00N - 142/15E
2016/I 47/05N - 142/25E

Track #11
2131/I 46/53N - 141/57E 2 acft - speed 600 mph
2133/I 46/56N - 142/21E…

AF FORM 112—PART II
APPROVED 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
4

|  D/I, Hq, 314th Air Division | REPORT NO. 0I-FRAC-10-51 | PAGE 3 OF 3 PAGES  |
| --- | --- | --- |

on 21 February 1951, and three on 22 February 1951 were all observed during the hours of darkness. This office does not have sufficient data available to properly analyze or evaluate this latest trend in night flying. This apparent increase in night flying suggests several possibilities, two of which are indicated below:

a. That the Soviets are attempting to achieve greater proficiency in night flying and are step…