USAF record 28940241 (1951)

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• Page 1 PROJECT 10073 RECORD CARD 1. DATE November 1951 2. LOCATION Montreal, Canada 3. DATE-TIME GROUP Local [REDACTED] GMT [REDACTED] 4. TYPE OF OBSERVATION Ground-Visual [HW: Ground-Visual] Ground-Radar…
• Page 2 UNCLASSIFIED The SPHEREANHO PLANE Report on the vision of a ring shaped flying plane seen in the sky, by the author, sometime end of October or the beginning of November, 1951, over the city of…
• Page 3 UNCLASSIFIED The SPHERE INNO Plane Part I Page 2 At the very line of vision of the vanishing point of the first ship, a mark point was insinuatively located on the roof of an apartments block, across…
• Page 4 The triangulation of observation. UNCLASSIFIED AE 478351 Page 1 The triangulation would have been almost impossible without some basis on which to stand for figuring the size, the altitude and the…
• Page 5 UNCLASSIFIED The SPHERANNO Plane Part III Page 2 From these assumptions the altitude of the plane is easily determined by the triangulation data of drawing 2, thus: As 55" 1035.72 so x = D2 1035.72 =…
• Page 6 UNCLASSIFIED SLAND N DECARY BLVD OVER 5 MILES CHERBOUE STREET NOTRE DAME STREET HW: OBSERVER 3 MILES HW: PROBABLE AREA OF FLIGHT FIRST SECOND PLANE STAMP: 1
• Page 7 UNCLASSIFIED The SPHEREANNO PLANE, REPORT OF VISION, MAPPING OF FLIGHT, [REDACTED] JESUS ISLAND MONTRÉAL ISLAND LAKE ST-LOUIS OBSE STAMP:
• Page 8 UNCASSIFIED The SPHEREANNO PLANE REPORT OF OBSERVATION [HW: AF-47351] [STAMP: NOV 12 1952] DRWG. No 2
• Page 9 UNCLASSIFIED APARTMENTS BLOCK [REDACTED] BLVD. WEST [HW: 318.5'] [HW: 2.57/'] [STAMP: 1905] SOUTH
• Page 10 U.S. DEPARTMENT OF THE INTERIOR NATIONAL PARK SERVICE [REDACTED] [STAMP:] [ILLEGIBLE]