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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 “low altitude” 262 records · page 2
p. 3 …It flew noiselessly, although appearing to be at a low altitude . Several students of the College de Luneville also saw… …At 290200 EST AFOC informed NNCC that an unidentified helicopter, possibly two, had been sighted flying low over…
p. 2 …A shepherd stated that he thought that he was looking at a comet moving away at a low altitude from… p. 6 …After Hynek left, McDonald first became aware of Low 's memo, and expressed his shock.
On January 19, 1968, Low … p. 17 …It was moving at a speed of approximately 100 miles per hour at an altitude of
about 4,500 feet… p. 3 …Pilots are reporting UAP at altitudes that appear to be above them
at 40,000 feet, potentially in low earth… p. 21 …At low altitude the motion of the
UFO is often reported to consist of a yawing, kitelike motion, wobbling in… p. 30 …He told the desk officer that as he walked along the road, a large brilliant object at low altitude began… p. 3 …clear weather at the altitude at which the plane was flying. Because of the low cloud ceiling, the object could… p. 4 …clear weather at the altitude at which the plane was flying. Because of the low cloud ceiling, the object could… p. 2 …Flying at a low altitude and clearly visible, it rapidly followed a rectilinear course.
STRANGE PHENOMENON WITNESSED FROM TWO POINTS… p. 13 MY POWER AND TRIED TO INCREASE MY SPEED BUT DUE TO RUNNING LOW ON OIL, I HAD TO DECREASE MY… p. 2 …A shepherd stated that he thought that he was looking at a comet moving away at a low altitude from… p. 15 …It was moving at a speed of approximately 100 miles per hour at an altitude of about 4,500 feet… p. 36 …changing direction. Altitude and size were not estimated.
Note: See Incident #112a in which the plane was perceived flying low . p. 37 …A plane, which sounded as if it were flying low since there was an exceptionally loud roaring noise,first attracted… p. 79 …Name of observer Marcus L.Lowe
5. Occupation of observer Lt Commander, US Navy
6. Address of observer N/S… …At times
of low demand the operator exerts effort to maintain vigilance (Al) until
demand is so low …
…At times
of low demand the operator exerts effort to maintain vigilance (Al) until
demand is so low …
p. 13 …I'm getting low on petrol." The target (UFO) followed him only a short distance, as he headed south southwest… p. 37 …changing direction. Altitude and size were not estimated.
Note: See Incident #112a in which the plane was perceived flying low . p. 38 …A plane, which sounded as if it were flying low since there was an exceptionally loud roaring noise,first attracted… p. 85 …Name of observer Marcus L.Lowe
5. Occupation of observer Lt Commander, US Navy
6. Address of observer N/S… p. 19 …a northeasterly direction was reportedly traveling at such a low altitude it had to rise to pass over some tall… p. 21 …EIGHTH OBJECT WHICH APPROACHED THE FOUR HUNDRED AREA FROM NE WAS TRAVELLING AT ALTITUDE SO LOW IT HAD TO RISE… p. 32 …TEN, FIFTYONE, AN AN/MPG DASH ONE RADAR SET PICKED UP A FAST MOVING LOW FLYING TARGET, EXACT ALTITUDE UNDETERMINED… 1 more page mentions it p. 85 …Although, in principle, the whole of the UKADR is available for low flying (down to an altitude of 250ft), in… p. 86 …Except for emergencies, it is unlikely that after-burners will be used overland at low altitude at less than 1000ft… p. 209 …Earth's Shadow Evening observations of low satellites are usually possible only during the hour or two while the shadow… 12 more pages mention it p. 29 …Altitude N/S
12. Speed N/S
13. Diroction of flight N/S
14. Tactics N/S
15. Sound low … p. 81 …Tactics Performed a long, low arc
15. Sound N/S
16. Size N/S
17. Color N/S
18. Shapo… p. 200 …It was traveling at very high speed and low altitude eastward toward some hills at approximately 38°50' N, 121… 1 more page mentions it p. 12 …The G4C suit which replaces the G3C suit used on
GT-3 has the fol lowing new featu res: a… p. 5 …It flew noiselessly, although appearing to be at a low altitude . Several students of the College de Luneville also saw… p. 2 …clear weather at the altitude at which the plane was flying. Because of the low cloud ceiling, the object could… p. 12 …20-Sep-08 22:00 Calne Wiltshire Five super bright, glowing orange/pink orbs at
low altitude . They had unusual… p. 6 …If the altitude of the injection orbit is low (less than 200 km, for example), that process takes several days… p. 21 …Nevertheless, both the accelerations due to microgravity and the pressure of the ambient atmosphere at such altitudes are rather low … p. 41 …the elliptical orbit is corrected so that the reusable spacecraft enters the necessary altitude corridor for atmospheric braking
281. the… p. 17 …Because of this lower broken cumulus clouds at a very low altitude which was moving in a southwesterly direction, the… p. 36 …Size appeared to be the same as that of an aircraft at either extremely low or extremely high altitude . Object… p. 126 …5 to 10 miles altitude (estimated)
13. Estimated Distance of Object from Observer: 2/8
14. Estimated Speed of Object… 2 more pages mention it …Longilude EM' Platform Altitude Wind Dir / Wind Speed
(a l Conlact All)(Ex: W·72 1A) (DDMM;SS…
p. 4 …large Canadian geese flying low over a city at night with street lights reflecting off their bodies; searchlights playing on… p. 62 …Although this
pressure is very low , i. t greatly exceeds the ambtent pressure at the lowest
capsule altitudes . Accordingly, it… p. 7 …subordinates had tracked a slowly moving UPO
flying at low altitude through the outskirts of Moscow. According to
TRUD, a… p. 2 …Human capacity for optical estimation regarding the
distance, size, speed, and direction of travel of unreferenced phenomena in low -light… p. 38 …re
quirements for a high-altitude spyplane: a single engine, a sailplane
wing, and low structural load factors. Donovan strongly… p. 352 …This was
followed by two Agency contracts on 21 November 1966 for the
development of an operational low -altitude intelligence… p. 356 …PINE RIDGE
While work was still in progress on low -altitude , short-range recon
naissance systems like AQUILINE and AXILLARY… 17 more pages mention it …Wing man (FG800) returned for fuel and resumed pursuit going to altitude of 33,000 ft but did…
…Wing man (FG800) returned for fuel and resumed pursuit going to altitude of 33,000 ft but did…
p. 39 …in diameter swoosh in from the West at rather low altitude --only 200 or 300 feet in the air or… p. 40 …in diameter swoosh in from the West at rather low altitude --only 200 or 300 feet in the air or… p. 3 …Flying at low altitude on a southwest heading, at a speed of around 545 miles an hour—the exact time… p. 29 …The lights moved out across the field at an estimated altitude of 100 feet and finally disappeared in the distance… p. 17 …So these two craft can depart from any location
of a low -altitude orbit and land in CONUS or in… p. 48 …High frequency , modest
payloads LEO/MEO
2 Expendable Launcher Low frequency, heavy
payloads LEO
3 Point-to-Point Transfer Points… p. 51 …is recommended.
• An abort system for both low -altitude and high-altitude abort and escape is required.
• Structural concepts and… p. 17 …So these two cralt can depart from any location
of a low -altitude orbit and land in CON US or… p. 48 …modest
1 Smtained Use Launcher LEO/MEO
payloads
Low frequency, heavy
2 Expendable Launcher LEO
payloads
3 Poi111-to-Poi111… p. 51 …is recommended.
• An abort system for both low -altitude and high-altitude abort and escape is required.
• Structural concepts and… p. 38 …re-
quirements for a high-altitude spyplane: a single engine, a sailplane
wing, and low structural load factors. Donovan strongly… p. 75 …At altitudes above
65,000 feet, fluids in the human body will vaporize unless the body
can be kept under… p. 260 …These constraints made the missions diffic-
ult because at low altitude the U-2 consumed more fuel and encoun-
tered… 12 more pages mention it p. 38 …re-
quirements for a high-altitude spyplane: a single engine, a sailplane
wing, and low structural load factors. Donovan strongly… p. 75 …At altitudes above
65,000 feet, fluids in the human body will vaporize unless the body
can be kept under… p. 260 …These constraints made the missions diffic-
ult because at low altitude the U-2 consumed more fuel and encoun-
tered… 12 more pages mention it p. 13 …quested permission to change
altitude . As he descended to
31,000 feet, the lights fol
lowed "in formation,"
Steucke said… p. 15 …enormous object — the size of
two aircraft carriers ^ fol
lowed his iumbo iet for 400
Terauchi' first"sighted the
lights… p. 51 …enormous object — the size of
two aircraft carriers — fol
lowed his jumbo jet for 400
miles.
National Aeronautics and
Space… p. 38 …General Area of Occurrence Apparent Direction of Flight Apparent Altitude Course Horizontal to Vertical Color Train or Trail Duration of… p. 124 …TEN, FIFTYONE, AN AN/MPG DASH ONE RADAR SET PICKED UP A FAST MOVING LOW FLYING TARGET, EXACT ALTITUDE UNDETERMINED… p. 148 …a northeasterly direction was reportedly traveling at such a low altitude it had to rise to pass over some tall… 6 more pages mention it p. 7 …In 1957, the Pentagon started development of a nuclear ramjet missile (SLAM,
Supersonic Low -Altitude Missile) to fly below Soviet… p. 7 …In 1957, the Pentagon started development of a nuclear ramjet missile (SLAM,
Supersonic Low -Altitude Missile) to fly below Soviet… p. 67 …to angular elevation, the object would be at a low altitude , considerably below 500 feet, and of a size approximating… p. 80 …being large and having high altitude or small and being at a relatively low altitude . They did say though that… p. 168 …The combination of what was apparently reaction propulsion, lack of wings, lack of noise, comparatively low speed, low altitude , flat… p. 248 …Further, the vertical temperature distribution, as measured between 4pm. & 5pm, that day reads as follows:- (Mechanics Bay Data)
Altitude (in… p. 362 …Over West Derby at very low altitude , travelling swiftly and silently in N.W. direction. ("Liverpool Echo").
STREATHAM JANUARY.
INVERNESS… 18 more pages mention it p. 15 …Gordon So the moon was very low ?
K. Terauchi Very low , very low , okay.
R. Gordon That's good, I… p. 227 …OF ALTITUDE . DESC AS MED ALT SIMILAR TO HEIGHT A/C FLY AT. WHEN FIRST OBSERVED WAS LOW IN WESTERN… p. 280 …SURROUNDING STARS AND APPEARED TO BE AT SIMILAR ALTITUDE . FIRST OBSERVED LOW IN WESTERN SKY MOVING EAST FOR APPROXIMATELY 2… p. 281 …OBJECT WAS VERY LOW MOVING IN
A CIRCULAR MOTION TOWARDS THE WEST
G APPROXIMATELY FIVE MINUTES
H OBJECT HAD MANY… p. 227 …OF ALTITUDE . DESC AS MED ALT SIMILAR TO HEIGHT A/C FLY AT. WHEN FIRST OBSERVED WAS LOW IN WESTERN… p. 280 …SURROUNDING STARS AND APPEARED TO BE AT SIMILAR ALTITUDE . FIRST OBSERVED LOW IN WESTERN SKY MOVING EAST FOR APPROXIMATELY 2… p. 281 …OBJECT WAS VERY LOW MOVING IN
A CIRCULAR MOTION TOWARDS THE WEST
G APPROXIMATELY FIVE MINUTES
H OBJECT HAD MANY…